CN101509099A - High-strength Q420C level steel tower corner iron and production process - Google Patents
High-strength Q420C level steel tower corner iron and production process Download PDFInfo
- Publication number
- CN101509099A CN101509099A CNA2009100739690A CN200910073969A CN101509099A CN 101509099 A CN101509099 A CN 101509099A CN A2009100739690 A CNA2009100739690 A CN A2009100739690A CN 200910073969 A CN200910073969 A CN 200910073969A CN 101509099 A CN101509099 A CN 101509099A
- Authority
- CN
- China
- Prior art keywords
- strength
- steel
- corner iron
- working procedure
- pylons
- 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
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Embodiment | C | Mn | Si | S | P | V | Ti | Fe | Ceq | Rolling specs |
1 | 0.10 | 1.45 | 0.50 | 0.018 | 0.02 | 0.081 | 0.006 | Surplus | 0.37 | 160×12 |
2 | 0.15 | 1.15 | 0.39 | 0.016 | 0.018 | 0.072 | 0.004 | Surplus | 0.36 | 160×14 |
3 | 0.12 | 1.26 | 0.30 | 0.023 | 0.022 | 0.075 | 0.004 | Surplus | 0.35 | 160×14 |
4 | 0.15 | 1.29 | 0.50 | 0.018 | 0.022 | 0.078 | 0.008 | Surplus | 0.39 | 160×14 |
5 | 0.16 | 1.25 | 0.38 | 0.015 | 0.020 | 0.070 | 0.010 | Surplus | 0.39 | 160×14 |
6 | 0.13 | 1.33 | 0.43 | 0.017 | 0.016 | 0.100 | 0.005 | Surplus | 0.38 | 160×12 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2009100739690A CN101509099A (en) | 2009-03-23 | 2009-03-23 | High-strength Q420C level steel tower corner iron and production process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2009100739690A CN101509099A (en) | 2009-03-23 | 2009-03-23 | High-strength Q420C level steel tower corner iron and production process |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101509099A true CN101509099A (en) | 2009-08-19 |
Family
ID=41001629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2009100739690A Pending CN101509099A (en) | 2009-03-23 | 2009-03-23 | High-strength Q420C level steel tower corner iron and production process |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101509099A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828115A (en) * | 2012-09-25 | 2012-12-19 | 鞍钢股份有限公司 | Q345B medium steel plate and production method thereof |
CN103938063A (en) * | 2014-04-04 | 2014-07-23 | 北京国网富达科技发展有限责任公司 | Preparation method of high-toughness Q345 grade hot-rolled equal angle steel for iron tower |
CN106119689A (en) * | 2016-08-01 | 2016-11-16 | 唐山钢铁集团有限责任公司 | A kind of big specification Q420C hot rolling equal angle steel and production method thereof |
CN107557652A (en) * | 2017-09-09 | 2018-01-09 | 衡水广厦铁塔制造有限公司 | A kind of processing technology of power tower steel |
CN109487164A (en) * | 2018-12-13 | 2019-03-19 | 河钢股份有限公司 | Steel tower 420MPa grades of hot rolling weather-resisting angle steel of surrender and its production method |
CN111636030A (en) * | 2020-05-29 | 2020-09-08 | 南京钢铁股份有限公司 | Q420C-grade hot-rolled angle steel and preparation method thereof based on machine learning |
CN112746221A (en) * | 2020-12-25 | 2021-05-04 | 钢铁研究总院 | V-N microalloyed 550MPa hot-rolled thick-wall H-shaped steel and production process thereof |
-
2009
- 2009-03-23 CN CNA2009100739690A patent/CN101509099A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828115A (en) * | 2012-09-25 | 2012-12-19 | 鞍钢股份有限公司 | Q345B medium steel plate and production method thereof |
CN103938063A (en) * | 2014-04-04 | 2014-07-23 | 北京国网富达科技发展有限责任公司 | Preparation method of high-toughness Q345 grade hot-rolled equal angle steel for iron tower |
CN103938063B (en) * | 2014-04-04 | 2016-03-30 | 北京国网富达科技发展有限责任公司 | A kind of preparation method of steel tower high tenacity Q345 level hot rolling equal angle steel |
CN106119689A (en) * | 2016-08-01 | 2016-11-16 | 唐山钢铁集团有限责任公司 | A kind of big specification Q420C hot rolling equal angle steel and production method thereof |
CN107557652A (en) * | 2017-09-09 | 2018-01-09 | 衡水广厦铁塔制造有限公司 | A kind of processing technology of power tower steel |
CN109487164A (en) * | 2018-12-13 | 2019-03-19 | 河钢股份有限公司 | Steel tower 420MPa grades of hot rolling weather-resisting angle steel of surrender and its production method |
CN111636030A (en) * | 2020-05-29 | 2020-09-08 | 南京钢铁股份有限公司 | Q420C-grade hot-rolled angle steel and preparation method thereof based on machine learning |
CN111636030B (en) * | 2020-05-29 | 2021-10-26 | 南京钢铁股份有限公司 | Q420C-grade hot-rolled angle steel and preparation method thereof based on machine learning |
CN112746221A (en) * | 2020-12-25 | 2021-05-04 | 钢铁研究总院 | V-N microalloyed 550MPa hot-rolled thick-wall H-shaped steel and production process thereof |
CN112746221B (en) * | 2020-12-25 | 2021-10-15 | 钢铁研究总院 | V-N microalloyed 550MPa hot-rolled thick-wall H-shaped steel and production process thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111534751B (en) | HRB400E ultra-fine grain high-strength and high-toughness straight-bar anti-seismic steel bar and preparation method thereof | |
CN111004980B (en) | Vanadium-chromium microalloyed large-size 600MPa ultrafine-grain high-toughness corrosion-resistant anti-seismic steel bar and preparation method thereof | |
CN110923585B (en) | 500MPa hot-rolled refractory steel bar and manufacturing method thereof | |
CN101845602B (en) | High-performance weather-proof building structural steel and manufacturing method thereof | |
CN111020393B (en) | Preparation method of nitrogen-rich vanadium microalloyed HRB600 ultrafine grain anti-seismic steel bar | |
CN106312372B (en) | A kind of welding of 1000MPa high-strength steel gas shielded solid welding wire and its preparation and welding method | |
CN102873473B (en) | Low-hydrogen alkaline electrode for online welding of X80 pipeline steel | |
CN101403069B (en) | Hot-rolled U shaped metal sheet pile and microalloying production method | |
CN109972035B (en) | 800 MPa-level hot-rolled twisted steel and production method thereof | |
CN101509099A (en) | High-strength Q420C level steel tower corner iron and production process | |
CN101509097A (en) | Q460 level low alloy high-strength corner iron and production process | |
CN102732789A (en) | High-performance ocean platform steel and its production method | |
CN103521946A (en) | High-strength austenitic stainless steel submerged-arc welding wire | |
CN100420763C (en) | Production process of II-grade threaded steel bar | |
CN102424933A (en) | Hot-rolled high-strength strip steel and manufacturing method thereof | |
CN110343954A (en) | A kind of connection rod of automobile engine steel and its manufacturing method | |
CN103317256A (en) | Austenitic stainless steel submerged-arc welding wire with excellent high-temperature strength | |
CN111945074A (en) | 635 MPa-grade high-strength anti-seismic reinforcing steel bar and preparation method thereof | |
CN102719744A (en) | Steel for low-temperature structures and manufacture method of steel | |
CN102676948A (en) | Boron-containing tire cord steel and preparation method thereof | |
CN111575587A (en) | Method for producing HRB600 high-strength hot-rolled ribbed steel bar by vanadium-chromium microalloying | |
CN103695801A (en) | High-toughness and high-weather-resistance steel and manufacturing method thereof | |
CN110819891A (en) | Niobium-nitrogen-containing microalloyed HRB500E steel bar and production method thereof | |
CN107747047A (en) | Steel Bar and its production method are built containing Nb, Cr microalloy | |
CN111235350B (en) | Strengthening method for adding vanadium-titanium balls in construction steel bar smelting process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: HEBEI IRON + STEEL GROUP CO. LTD Owner name: HEBEI IRON + STEEL CO.,LTD. Free format text: FORMER OWNER: TANGSHAN IRON AND STEEL CO., LTD. Effective date: 20100331 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 063016 INTELLECTUAL PROPERTY DIVISION, TANGSHAN STEEL TECHNOLOGY CENTER, NO.9, BINHE ROAD,LUBEI DISTRICT, TANGSHAN CITY ROAD, HEBEI PROVINCE TO: 050000 NO.40, YUHUA WEST ROAD, SHIJIAZHUANG CITY, HEBEI PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20100331 Address after: Yuhua city of Shijiazhuang province Hebei 050000 West Road No. 40 Applicant after: Hebei Iron & Steel Co., Ltd. Address before: 063016 Hebei province Tangshan City Road North Binhe Road, No. 9 in technology center of intellectual property division Applicant before: Tangshan Iron & Steel Co., Ltd. Co-applicant before: Hebei Iron & Steel Group Co., Ltd. |
|
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Open date: 20090819 |