CN110079746A - High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production - Google Patents

High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production Download PDF

Info

Publication number
CN110079746A
CN110079746A CN201910348562.8A CN201910348562A CN110079746A CN 110079746 A CN110079746 A CN 110079746A CN 201910348562 A CN201910348562 A CN 201910348562A CN 110079746 A CN110079746 A CN 110079746A
Authority
CN
China
Prior art keywords
parts
carbon steel
high temperature
steel material
internal gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910348562.8A
Other languages
Chinese (zh)
Inventor
孙文法
高峰
孙磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUZHOU XIANGQIAO MACHINERY Co Ltd
Original Assignee
XUZHOU XIANGQIAO MACHINERY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XUZHOU XIANGQIAO MACHINERY Co Ltd filed Critical XUZHOU XIANGQIAO MACHINERY Co Ltd
Priority to CN201910348562.8A priority Critical patent/CN110079746A/en
Publication of CN110079746A publication Critical patent/CN110079746A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/006Making ferrous alloys compositions used for making ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Gears, Cams (AREA)

Abstract

The invention discloses a kind of high-hardness high temperature resistant low-carbon steel materials and its production technology for internal gear production, it is related to metallurgical technology field, the raw material are consisted of the following compositions according to components by weight percent: 3.5-6.5 parts of aluminium, 2.4-3.6 parts of silicon, 0.25-0.55 parts of manganese, 1.8-2.4 parts of rhenium, 0.15-0.45 parts of lanthanum, 1.58-1.79 parts of vanadium, 0.45-0.65 parts of carbon, 8.5-12.5 parts of zinc, 5.5-6.5 parts of magnesium, 0.44-0.56 parts of neodymium, 1.13-1.29 parts of yttrium, surplus is iron, the present invention provides a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production, with excellent high temperature corrosion, toughness and plasticity are good, intensity and hardness are high, wearability is good, and use part scrap iron As raw material, make the quality stable uniform of alloy, and has a wide range of application, long service life.

Description

High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production
Technical field
The present invention relates to a kind of high-hardness high temperature resistant low-carbon steel materials for internal gear production, belong to metallurgical technology neck Domain.
Background technique
Up to the present, diversified steel alloy is industrially applied, although steel alloy technology is greatly developed, But still with the presence of many problems, if turning stock utilization is low, production efficiency is low and mechanical property is bad, and hot forging will cause Alloy steel surface generation produced aoxidizes, decarburized layer is not up to standard, and needs the more people's operations of multiple devices that could complete production, work People's working environment is poor, and average production cost is high.
Summary of the invention
It is of the invention a kind of for internal gear the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide The high-hardness high temperature resistant low-carbon steel material and its production technology of production have excellent high temperature corrosion, toughness and plasticity Good, intensity and hardness height, wearability are good, and use part scrap iron as raw material, make the quality stable uniform of alloy, and apply model Enclose wide, long service life.
It is a kind of for internal gear production high-hardness high temperature resistant low-carbon steel material, the raw material according to components by weight percent by with It is lower at being grouped as: 3.5-6.5 parts of aluminium, 2.4-3.6 parts of silicon, 0.25-0.55 parts of manganese, 1.8-2.4 parts of rhenium, 0.15-0.45 parts of lanthanum, cerium 0.33-0.55 parts, 11-14 parts of copper, 2.8-3.7 parts of boron, 1.1-1.5 parts of niobium, 4.5-6.5 parts of molybdenum, 0.35-0.55 parts of nickel, tungsten 2.4-3.5 parts, 0.77-0.89 parts of chromium, 1.58-1.79 parts of vanadium, 0.45-0.65 parts of carbon, 8.5-12.5 parts of zinc, 5.5-6.5 parts of magnesium, 0.44-0.56 parts of neodymium, 1.13-1.29 parts of yttrium, surplus are iron.
The main preparation methods are as follows:
(1) it stocks up: choosing aluminium 3.5-6.5 parts, 2.4-3.6 parts of silicon, 0.25-0.55 parts of manganese, rhenium 1.8- according to components by weight percent 2.4 parts, 0.15-0.45 parts of lanthanum, 0.33-0.55 parts of cerium, 11-14 parts of copper, 2.8-3.7 parts of boron, 1.1-1.5 parts of niobium, molybdenum 4.5-6.5 Part, 0.35-0.55 parts of nickel, 2.4-3.5 parts of tungsten, 0.77-0.89 parts of chromium, 1.58-1.79 parts of vanadium, 0.45-0.65 parts of carbon, zinc 8.5- 12.5 parts, 5.5-6.5 parts of magnesium, 0.44-0.56 parts of neodymium, 1.13-1.29 parts of yttrium, surplus be iron;
(2) it grinds sieving: being poured into Quench in pure water, then be ground into powder;
(3) base: the addition of gained powder is equivalent in the silane coupling agent of powder weight 5.5-7.5% in 2.5- 3.5% nano-carbon powder is pressed into base after mixing at 18.5-20.5Mpa, then, calcines at 1550-1850 DEG C 5.5-8.5 hours, after cooling, then it is ground into 300-350 mesh powder;
(4) finished product: carrying out drawing to low-carbon steel material using wire drawing machine, takes that total draught is big, partial shrinkage rate is small Principle carries out to get a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production.
Step (2) powder crosses 80-120 mesh.
Compression ratio is that wherein total draught is not less than 80% in the step (4), and partial shrinkage rate is not more than 20%.
The utility model has the advantages that the present invention has excellent high temperature corrosion, toughness and plasticity are good, intensity and hardness are high, resistance to Mill property is good, and uses part scrap iron to make the quality stable uniform of alloy as raw material, and have a wide range of application, long service life.
Specific embodiment
The present invention is described in further details below by embodiment.
Embodiment 1
It is a kind of for internal gear production high-hardness high temperature resistant low-carbon steel material, the raw material according to components by weight percent by with It is lower at being grouped as: 3.5 parts of aluminium, 2.4 parts of silicon, 0.25 part of manganese, 1.8 parts of rhenium, 0.15 part of lanthanum, 0.33 part of cerium, 11 parts of copper, 2.8 parts of boron, 1.1 parts of niobium, 4.5 parts of molybdenum, 0.35 part of nickel, 2.4 parts of tungsten, 0.77 part of chromium, 1.58 parts of vanadium, 0.45 part of carbon, 8.5 parts of zinc, 5.5 parts of magnesium, 0.44 part of neodymium, 1.13 parts of yttrium, surplus are iron.
Further, the main preparation methods are as follows:
(1) it stocks up: choosing 3.5 parts of aluminium, 2.4 parts of silicon, 0.25 part of manganese, 1.8 parts of rhenium, 0.15 part of lanthanum, cerium according to components by weight percent 0.33 part, 11 parts of copper, 2.8 parts of boron, 1.1 parts of niobium, 4.5 parts of molybdenum, 0.35 part of nickel, 2.4 parts of tungsten, 0.77 part of chromium, 1.58 parts of vanadium, carbon 0.45 part, 8.5 parts of zinc, 5.5 parts of magnesium, 0.44 part of neodymium, 1.13 parts of yttrium, surplus be iron;
(2) it grinds sieving: being poured into Quench in pure water, then be ground into powder;
(3) base: the addition of gained powder is equivalent in the silane coupling agent of powder weight 5.5% in 2.5% nanometer Carbon dust is pressed into base after mixing at 18.5Mpa, then, calcines 5.5 hours at 1550 DEG C, after cooling, then crushes At 300 mesh powder;
(4) finished product: carrying out drawing to low-carbon steel material using wire drawing machine, takes that total draught is big, partial shrinkage rate is small Principle carries out to get a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production.
Further, step (2) powder crosses 80 meshes.
Further, compression ratio is that wherein total draught is not less than 80% in the step (4), and partial shrinkage rate is not more than 20%.
Embodiment 2
It is a kind of for internal gear production high-hardness high temperature resistant low-carbon steel material, the raw material according to components by weight percent by with It is lower at being grouped as: 6.5 parts of aluminium, 3.6 parts of silicon, 0.55 part of manganese, 2.4 parts of rhenium, 0.45 part of lanthanum, 0.55 part of cerium, 14 parts of copper, 3.7 parts of boron, 1.5 parts of niobium, 6.5 parts of molybdenum, 0.55 part of nickel, 3.5 parts of tungsten, 0.89 part of chromium, 1.79 parts of vanadium, 0.65 part of carbon, 12.5 parts of zinc, 6.5 parts of magnesium, 0.56 part of neodymium, 1.29 parts of yttrium, surplus are iron.
Further, the main preparation methods are as follows:
(1) it stocks up: choosing 6.5 parts of aluminium, 3.6 parts of silicon, 0.55 part of manganese, 2.4 parts of rhenium, 0.45 part of lanthanum, cerium according to components by weight percent 0.55 part, 14 parts of copper, 3.7 parts of boron, 1.5 parts of niobium, 6.5 parts of molybdenum, 0.55 part of nickel, 3.5 parts of tungsten, 0.89 part of chromium, 1.79 parts of vanadium, carbon 0.65 part, 12.5 parts of zinc, 6.5 parts of magnesium, 0.56 part of neodymium, 1.29 parts of yttrium, surplus be iron;
(2) it grinds sieving: being poured into Quench in pure water, then be ground into powder;
(3) base: the addition of gained powder is equivalent in the silane coupling agent of powder weight 7.5% in 3.5% nanometer Carbon dust is pressed into base after mixing at 20.5Mpa, then, calcines 8.5 hours at 1850 DEG C, after cooling, then crushes At 350 mesh powder;
(4) finished product: carrying out drawing to low-carbon steel material using wire drawing machine, takes that total draught is big, partial shrinkage rate is small Principle carries out to get a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production.
Further, step (2) powder crosses 120 meshes.
Further, compression ratio is that wherein total draught is not less than 80% in the step (4), and partial shrinkage rate is not more than 20%.
Embodiment 3
It is a kind of for internal gear production high-hardness high temperature resistant low-carbon steel material, the raw material according to components by weight percent by with It is lower at being grouped as: 5 parts of aluminium, 3 parts of silicon, 0.35 part of manganese, 2.2 parts of rhenium, 0.3 part of lanthanum, 0.44 part of cerium, 12.5 parts of copper, 3.3 parts of boron, niobium 1.3 parts, 5.5 parts of molybdenum, 0.45 part of nickel, 3.1 parts of tungsten, 0.81 part of chromium, 1.63 parts of vanadium, 0.55 part of carbon, 10.5 parts of zinc, 6 parts of magnesium, neodymium 0.5 part, 1.22 parts of yttrium, surplus be iron.
Further, the main preparation methods are as follows:
(1) it stocks up: choosing 5 parts of aluminium, 3 parts of silicon, 0.35 part of manganese, 2.2 parts of rhenium, 0.3 part of lanthanum, cerium 0.44 according to components by weight percent Part, 12.5 parts of copper, 3.3 parts of boron, 1.3 parts of niobium, 5.5 parts of molybdenum, 0.45 part of nickel, 3.1 parts of tungsten, 0.81 part of chromium, 1.63 parts of vanadium, carbon 0.55 Part, 10.5 parts of zinc, 6 parts of magnesium, 0.5 part of neodymium, 1.22 parts of yttrium, surplus are iron;
(2) it grinds sieving: being poured into Quench in pure water, then be ground into powder;
(3) base: the addition of gained powder is equivalent in the silane coupling agent of powder weight 6.5% in 3% nano-sized carbon Powder is pressed into base after mixing at 20Mpa, then, calcines 7 hours at 1750 DEG C, after cooling, then is ground into 325 mesh Powder;
(4) finished product: carrying out drawing to low-carbon steel material using wire drawing machine, takes that total draught is big, partial shrinkage rate is small Principle carries out to get a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production.
Further, step (2) powder sieves with 100 mesh sieve.
Further, compression ratio is that wherein total draught is not less than 80% in the step (4), and partial shrinkage rate is not more than 20%.

Claims (4)

1. a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production, it is characterised in that: the raw material are according to weight Amount component consists of the following compositions: 3.5-6.5 parts of aluminium, 2.4-3.6 parts of silicon, 0.25-0.55 parts of manganese, 1.8-2.4 parts of rhenium, lanthanum 0.15-0.45 parts, 0.33-0.55 parts of cerium, 11-14 parts of copper, 2.8-3.7 parts of boron, 1.1-1.5 parts of niobium, 4.5-6.5 parts of molybdenum, nickel 0.35-0.55 parts, 2.4-3.5 parts of tungsten, 0.77-0.89 parts of chromium, 1.58-1.79 parts of vanadium, 0.45-0.65 parts of carbon, zinc 8.5-12.5 Part, 5.5-6.5 parts of magnesium, 0.44-0.56 parts of neodymium, 1.13-1.29 parts of yttrium, surplus are iron.
2. a kind of production technology of high-hardness high temperature resistant low-carbon steel material for internal gear production as described in claim 1, It is characterized in that, the main preparation methods are as follows:
(1) it stocks up: choosing aluminium 3.5-6.5 parts, 2.4-3.6 parts of silicon, 0.25-0.55 parts of manganese, rhenium 1.8-2.4 according to components by weight percent Part, 0.15-0.45 parts of lanthanum, 0.33-0.55 parts of cerium, 11-14 parts of copper, 2.8-3.7 parts of boron, 1.1-1.5 parts of niobium, 4.5-6.5 parts of molybdenum, 0.35-0.55 parts of nickel, 2.4-3.5 parts of tungsten, 0.77-0.89 parts of chromium, 1.58-1.79 parts of vanadium, 0.45-0.65 parts of carbon, zinc 8.5- 12.5 parts, 5.5-6.5 parts of magnesium, 0.44-0.56 parts of neodymium, 1.13-1.29 parts of yttrium, surplus be iron;
(2) it grinds sieving: being poured into Quench in pure water, then be ground into powder;
(3) base: the addition of gained powder is equivalent in the silane coupling agent of powder weight 5.5-7.5% in 2.5-3.5%'s Nano-carbon powder is pressed into base after mixing at 18.5-20.5Mpa, then, calcines 5.5-8.5 at 1550-1850 DEG C Hour, after cooling, then it is ground into 300-350 mesh powder;
(4) finished product: drawing is carried out to low-carbon steel material using wire drawing machine, takes the principle that total draught is big, partial shrinkage rate is small It carries out to get a kind of high-hardness high temperature resistant low-carbon steel material for internal gear production.
3. a kind of production technology of high-hardness high temperature resistant low-carbon steel material for internal gear production as claimed in claim 2, It is characterized in that, step (2) powder crosses 80-120 mesh.
4. a kind of production technology of high-hardness high temperature resistant low-carbon steel material for internal gear production as claimed in claim 2, It is characterized in that, compression ratio is that wherein total draught is not less than 80% in the step (4), partial shrinkage rate is not more than 20%.
CN201910348562.8A 2019-04-28 2019-04-28 High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production Pending CN110079746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910348562.8A CN110079746A (en) 2019-04-28 2019-04-28 High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910348562.8A CN110079746A (en) 2019-04-28 2019-04-28 High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production

Publications (1)

Publication Number Publication Date
CN110079746A true CN110079746A (en) 2019-08-02

Family

ID=67417253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910348562.8A Pending CN110079746A (en) 2019-04-28 2019-04-28 High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production

Country Status (1)

Country Link
CN (1) CN110079746A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103614658A (en) * 2013-10-22 2014-03-05 芜湖市鸿坤汽车零部件有限公司 High-strength wear-resistant low-carbon steel material and preparation method thereof
CN103667944A (en) * 2013-11-14 2014-03-26 安徽荣达阀门有限公司 Pump super-wear-resistant high-hardness alloy steel material and preparation method thereof
CN103667916A (en) * 2013-11-08 2014-03-26 铜陵安东铸钢有限责任公司 High-hardness alloy steel material and preparation method thereof
CN103667917A (en) * 2013-11-08 2014-03-26 铜陵安东铸钢有限责任公司 High-temperature-resistant low-carbon steel material and preparation method thereof
CN103834859A (en) * 2014-03-13 2014-06-04 安徽聚力机械制造有限公司 High hardness high plasticity low-carbon steel material and preparation method thereof
CN103882338A (en) * 2014-02-21 2014-06-25 芜湖市鸿坤汽车零部件有限公司 Special wear-resistant low-carbon steel material and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103614658A (en) * 2013-10-22 2014-03-05 芜湖市鸿坤汽车零部件有限公司 High-strength wear-resistant low-carbon steel material and preparation method thereof
CN103667916A (en) * 2013-11-08 2014-03-26 铜陵安东铸钢有限责任公司 High-hardness alloy steel material and preparation method thereof
CN103667917A (en) * 2013-11-08 2014-03-26 铜陵安东铸钢有限责任公司 High-temperature-resistant low-carbon steel material and preparation method thereof
CN103667944A (en) * 2013-11-14 2014-03-26 安徽荣达阀门有限公司 Pump super-wear-resistant high-hardness alloy steel material and preparation method thereof
CN103882338A (en) * 2014-02-21 2014-06-25 芜湖市鸿坤汽车零部件有限公司 Special wear-resistant low-carbon steel material and preparation method thereof
CN103834859A (en) * 2014-03-13 2014-06-04 安徽聚力机械制造有限公司 High hardness high plasticity low-carbon steel material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102069317B (en) Self-protection flux-cored wire for rare earth type high-chromium cast iron by open arc
CN101879670B (en) High wear resistance surfacing alloy material containing multiphase metal ceramics
CN103556002B (en) High-performance Ni base alloy-TiB 2nanometer powder and preparation method thereof
CN104694840B (en) Power core wire material for preparing crankshaft remanufacturing coating by virtue of electric arc spraying method and application of power core wire material
CN107557704A (en) A kind of hot forming dies materials and preparation method thereof
CN102220526A (en) Aluminum alloy material
CN102677046A (en) Alloy composite special for laser cladding of rolling mill housings
CN102366860A (en) Hardfacing powder-cored solder wire for grinding roller of medium speed coal pulverizer and preparation method as well as surfacing method of hardfacing powder-cored wire
CN103911560A (en) High temperature abrasion resisting carbon-nitrogen alloying coating sprayed by electric arc and preparation method of coating
CN113926994A (en) Preparation method of wear-resistant extrusion roller
CN101519744A (en) Magnesium-manganese master alloy prepared by powder metallurgy method and preparation method thereof
WO2013063768A1 (en) Tube welding rod resistant to high stress abrasion
CN101342648A (en) Iron-base alloy powder for high-pressure valve sealing surface weld deposit
CN106141505A (en) A kind of good toughness hardness height flux-cored wire
CN1603055A (en) Flux-cored wire for supporting roller built-up welding
CN110079746A (en) High-hardness high temperature resistant low-carbon steel material and its production technology for internal gear production
CN105479039B (en) A kind of abrasion-resistant welding wire
CN105499826A (en) High-amorphous nanocrystalline protection tubular welding wire
CN1293093A (en) High-temp antiwear surfacing welding electrode
CN103938048A (en) Carbon titanium aluminum-based electric contact material as well as preparation method and use thereof
CN110877169B (en) Electrodeposition nickel-tungsten-rare earth surfacing electrode and preparation process thereof
CN102672166A (en) Novel high-temperature wear-resisting iron-base alloy powder
CN107663597A (en) A kind of aluminium bronze axle sleeve of high intensity
CN113235016A (en) Superfine soft magnetic alloy powder and preparation method thereof
CN108855378A (en) A kind of high-bond wearing layer cement raw material grinding roller

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190802