JPS5573848A - High strength steel for welded structure with superior sulfide stress corrosion cracking resistance - Google Patents
High strength steel for welded structure with superior sulfide stress corrosion cracking resistanceInfo
- Publication number
- JPS5573848A JPS5573848A JP14504678A JP14504678A JPS5573848A JP S5573848 A JPS5573848 A JP S5573848A JP 14504678 A JP14504678 A JP 14504678A JP 14504678 A JP14504678 A JP 14504678A JP S5573848 A JPS5573848 A JP S5573848A
- Authority
- JP
- Japan
- Prior art keywords
- cracking resistance
- stress corrosion
- corrosion cracking
- welded structure
- contg
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 5
- 239000010959 steel Substances 0.000 title abstract 5
- 230000007797 corrosion Effects 0.000 title abstract 3
- 238000005260 corrosion Methods 0.000 title abstract 3
- 238000005336 cracking Methods 0.000 title abstract 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 230000009466 transformation Effects 0.000 abstract 2
- 238000005275 alloying Methods 0.000 abstract 1
- 239000010953 base metal Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
PURPOSE: To provide a high strength steel for welded structure with high tensile strength and superior stress corrosion cracking resistance in H2S-contg. surroundings by relatively lowering carbon equivalent; adding alloying components; and carrying out specified heat treatment.
CONSTITUTION: A steel having a compsn. contg. C 0.03W0.10%, Si 0.03W1.0%, Mn 0.3W1.8%, P<0.025%, S<0.015%, V 0.01W0.10% and Al 0.005W0.15% or further contg. one or more out of Cr<1%, Mo<0.6% Cu<1%, Nb<0.1% and B<0.006% and having a carbon equivalent (Ceq) of 0.35 or less represented by equation I. This steel is hot rolled, directly hardened from a temp. above the Ar3 transformation point, and tempered at a temp. below the Ac1 transformation point, thus obtaining high strength steel for welded structure having a tensile strength of 60kg/mm2 or more, a Vickers hardness Hv 10 of 260 or less at the weld zone and superior stress corrosion cracking resistance at the base metal and the weld zone in H2S-contg. surroundings.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14504678A JPS5573848A (en) | 1978-11-22 | 1978-11-22 | High strength steel for welded structure with superior sulfide stress corrosion cracking resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14504678A JPS5573848A (en) | 1978-11-22 | 1978-11-22 | High strength steel for welded structure with superior sulfide stress corrosion cracking resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5573848A true JPS5573848A (en) | 1980-06-03 |
Family
ID=15376127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14504678A Pending JPS5573848A (en) | 1978-11-22 | 1978-11-22 | High strength steel for welded structure with superior sulfide stress corrosion cracking resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5573848A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858252A (en) * | 1981-10-02 | 1983-04-06 | Kawasaki Steel Corp | Steel for steel pipe for oil well |
| JPS5858253A (en) * | 1981-10-02 | 1983-04-06 | Kawasaki Steel Corp | Steel for high heat input welding undergoing slight deterioration in toughness due to stress relief annealing |
| JPS5953653A (en) * | 1982-09-21 | 1984-03-28 | Kawasaki Steel Corp | Very thick steel for low temperature use with superior toughness at weld zone |
| JPS61147812A (en) * | 1984-12-19 | 1986-07-05 | Nippon Kokan Kk <Nkk> | Manufacturing method for high-strength steel with excellent delayed fracture properties |
| JPH0196329A (en) * | 1987-10-07 | 1989-04-14 | Nippon Steel Corp | Manufacture of steel for welding construction excellent in sulfide stress corrosion cracking resistance and having >=56kgf/mm2 tensile strength |
| JPH028322A (en) * | 1988-06-27 | 1990-01-11 | Nippon Steel Corp | Manufacture of high-tensile steel plate excellent in ssc resistance |
| DE102007036713A1 (en) | 2007-10-24 | 2009-04-30 | Rassmann, Michael | Solar hybrid plant for use in southern zones, has photovoltaic elements for cooling solar cells and under-roof region of houses, and solar thermal heat absorbers whose circulation temperature is maintained below specific value |
| CN104593680A (en) * | 2013-10-31 | 2015-05-06 | 中国科学院金属研究所 | Liquid metal corrosion-resistant high-chromium martensite heatproof steel |
-
1978
- 1978-11-22 JP JP14504678A patent/JPS5573848A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858252A (en) * | 1981-10-02 | 1983-04-06 | Kawasaki Steel Corp | Steel for steel pipe for oil well |
| JPS5858253A (en) * | 1981-10-02 | 1983-04-06 | Kawasaki Steel Corp | Steel for high heat input welding undergoing slight deterioration in toughness due to stress relief annealing |
| JPS5953653A (en) * | 1982-09-21 | 1984-03-28 | Kawasaki Steel Corp | Very thick steel for low temperature use with superior toughness at weld zone |
| JPS61147812A (en) * | 1984-12-19 | 1986-07-05 | Nippon Kokan Kk <Nkk> | Manufacturing method for high-strength steel with excellent delayed fracture properties |
| JPH0196329A (en) * | 1987-10-07 | 1989-04-14 | Nippon Steel Corp | Manufacture of steel for welding construction excellent in sulfide stress corrosion cracking resistance and having >=56kgf/mm2 tensile strength |
| JPH028322A (en) * | 1988-06-27 | 1990-01-11 | Nippon Steel Corp | Manufacture of high-tensile steel plate excellent in ssc resistance |
| DE102007036713A1 (en) | 2007-10-24 | 2009-04-30 | Rassmann, Michael | Solar hybrid plant for use in southern zones, has photovoltaic elements for cooling solar cells and under-roof region of houses, and solar thermal heat absorbers whose circulation temperature is maintained below specific value |
| CN104593680A (en) * | 2013-10-31 | 2015-05-06 | 中国科学院金属研究所 | Liquid metal corrosion-resistant high-chromium martensite heatproof steel |
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