JPS54122624A - Manufacture of austenitic stainless steel pipe with superior high temperature corrosion resistance - Google Patents
Manufacture of austenitic stainless steel pipe with superior high temperature corrosion resistanceInfo
- Publication number
- JPS54122624A JPS54122624A JP3004678A JP3004678A JPS54122624A JP S54122624 A JPS54122624 A JP S54122624A JP 3004678 A JP3004678 A JP 3004678A JP 3004678 A JP3004678 A JP 3004678A JP S54122624 A JPS54122624 A JP S54122624A
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- corrosion resistance
- austenitic stainless
- steel pipe
- manufacture
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
PURPOSE:To enhance the high temp. corrosion resistance of a worked product of an austenitic stainless steel contg. Ti, Zr, Nb, Ta, etc. by subjecting the product surface to Cr diffusion penetration treatment under specific conditions. CONSTITUTION:One or more kinds of elements out of Ti, Nb, Zr and Ta; <=1.5% in total are added to an austenitic stainless steel contg. C<0.10%, Si<1.0%, Mn<2.0%, Ni; 8-16% and Cr: 15-20% while satisfying the relation C%<=(Ti/4) +(Zr/8)+(Nb/8)+(Ta/15). The resulting steel is worked into a stainless steel pipe and subjected to Cr diffusion penetration treatment at 900-1200 deg.C with a powder mixt. of Cr and Al2O3 by a powder pack method, followed by heating at 1000- 1200 deg.C for several min, air cooling and water cooling. By the presence of Ti, Zr, Nb, Ta, etc., thick Cr diffused layers with superior corrosion resistance are formed on the outer and inner surfaces of the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3004678A JPS54122624A (en) | 1978-03-15 | 1978-03-15 | Manufacture of austenitic stainless steel pipe with superior high temperature corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3004678A JPS54122624A (en) | 1978-03-15 | 1978-03-15 | Manufacture of austenitic stainless steel pipe with superior high temperature corrosion resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54122624A true JPS54122624A (en) | 1979-09-22 |
| JPS574706B2 JPS574706B2 (en) | 1982-01-27 |
Family
ID=12292871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3004678A Granted JPS54122624A (en) | 1978-03-15 | 1978-03-15 | Manufacture of austenitic stainless steel pipe with superior high temperature corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54122624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100219A (en) * | 1982-11-27 | 1984-06-09 | Sumitomo Metal Ind Ltd | Production of stainless steel pipe for heat exchanger |
| EP2728031A1 (en) * | 2011-06-28 | 2014-05-07 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel pipe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108098B (en) * | 2015-09-30 | 2017-08-08 | 长春实越节能材料有限公司 | The technique of centrifugal casting high-nitrogen austenitic stainless steel steel pipe under normal pressure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4825608A (en) * | 1971-08-06 | 1973-04-03 | ||
| JPS50141543A (en) * | 1974-05-02 | 1975-11-14 | ||
| JPS50153735A (en) * | 1974-05-31 | 1975-12-11 |
-
1978
- 1978-03-15 JP JP3004678A patent/JPS54122624A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4825608A (en) * | 1971-08-06 | 1973-04-03 | ||
| JPS50141543A (en) * | 1974-05-02 | 1975-11-14 | ||
| JPS50153735A (en) * | 1974-05-31 | 1975-12-11 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100219A (en) * | 1982-11-27 | 1984-06-09 | Sumitomo Metal Ind Ltd | Production of stainless steel pipe for heat exchanger |
| EP2728031A1 (en) * | 2011-06-28 | 2014-05-07 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel pipe |
| EP2728031A4 (en) * | 2011-06-28 | 2015-03-25 | Nippon Steel & Sumitomo Metal Corp | Austenitic stainless steel pipe |
| US9612008B2 (en) | 2011-06-28 | 2017-04-04 | Nippon Steel & Sumitomo Metal Corporation | Austenitic stainless steel tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS574706B2 (en) | 1982-01-27 |
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