JPS56152946A - Manufacture of steel product with superior resistance to corrosion due to gaseous carbonic acid - Google Patents
Manufacture of steel product with superior resistance to corrosion due to gaseous carbonic acidInfo
- Publication number
- JPS56152946A JPS56152946A JP5643380A JP5643380A JPS56152946A JP S56152946 A JPS56152946 A JP S56152946A JP 5643380 A JP5643380 A JP 5643380A JP 5643380 A JP5643380 A JP 5643380A JP S56152946 A JPS56152946 A JP S56152946A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- gaseous
- corrosion due
- oil well
- pipe
- 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
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
PURPOSE: To enhance the resistance of an oil well pipe to corrosion due to gaseous CO2 by using a chromium steel having a specified composition as steel for the pipe and regulating the heat treatment conditions of the steel.
CONSTITUTION: In order to prevent an oil well pipe used in an oil well or a gas well contg. wet gaseous CO2 from being corroded by gaseous CO2, as steel for the pipe, a low-carbon chromium steel is used having a composition contg. 0.07W0.15% C, ≤0.80% Si, 0.25W2.00% Mn, 11.0W13.5% Cr, 0.20W0.80% Ni, ≤0.45% Nb, ≤0.10% Al, ≤0.025% P and ≤0.010% S or further contg. at least one kind of 0.03W0.25% Mo, 0.01W0.08% V and ≤0.50% Cu. An oil well pipe made of steel having said composition is hardened or normalized from 940W1,050°C and tempered at least once at the Ac1 transformation point or below. Thus, homogeneous fine tempered martensite structure is formed, and the strength, toughness and resistance to corrosion due to gaseous CO2 are enhanced.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5643380A JPS609567B2 (en) | 1980-04-28 | 1980-04-28 | Method for manufacturing steel materials with excellent carbon dioxide corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5643380A JPS609567B2 (en) | 1980-04-28 | 1980-04-28 | Method for manufacturing steel materials with excellent carbon dioxide corrosion resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56152946A true JPS56152946A (en) | 1981-11-26 |
| JPS609567B2 JPS609567B2 (en) | 1985-03-11 |
Family
ID=13026947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5643380A Expired JPS609567B2 (en) | 1980-04-28 | 1980-04-28 | Method for manufacturing steel materials with excellent carbon dioxide corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609567B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187577U (en) * | 1987-12-01 | 1989-06-09 |
-
1980
- 1980-04-28 JP JP5643380A patent/JPS609567B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS609567B2 (en) | 1985-03-11 |
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