JP6094640B2 - 鋼材の硫化物応力腐食割れ試験方法 - Google Patents
鋼材の硫化物応力腐食割れ試験方法 Download PDFInfo
- Publication number
- JP6094640B2 JP6094640B2 JP2015140288A JP2015140288A JP6094640B2 JP 6094640 B2 JP6094640 B2 JP 6094640B2 JP 2015140288 A JP2015140288 A JP 2015140288A JP 2015140288 A JP2015140288 A JP 2015140288A JP 6094640 B2 JP6094640 B2 JP 6094640B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- test
- sulfide stress
- corrosion cracking
- stress corrosion
- 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.)
- Active
Links
- 238000005260 corrosion Methods 0.000 title claims description 75
- 230000007797 corrosion Effects 0.000 title claims description 74
- 229910000831 Steel Inorganic materials 0.000 title claims description 56
- 239000010959 steel Substances 0.000 title claims description 56
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title claims description 34
- 238000005336 cracking Methods 0.000 title claims description 33
- 238000010998 test method Methods 0.000 title claims description 14
- 238000012360 testing method Methods 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 34
- 229920005989 resin Polymers 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 23
- 238000009864 tensile test Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 15
- 239000012085 test solution Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 125000000101 thioether group Chemical group 0.000 claims 1
- 238000011156 evaluation Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000003129 oil well Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000013102 re-test Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
(2)試験片の上つかみ部の、気液界面と接する位置では、乾湿繰り返し環境となるため、平行部に比べ不均一な腐食が進行しやすいこと、そして不均一腐食が生じた箇所では、破断を生じ易いこと、
(3)試験片の肩部では、試験中に試験片表面に付着した腐食生成物にき裂が発生しやすいこと、そしてき裂が発生した箇所では、試験片の新生面が露出し、それにより平行部に比べ不均一な腐食が進行しやすいこと、
(4)不均一な腐食が進行した箇所における深さが、耐SSC性に対する臨界サイズを超えると、そこが起点となり、試験片が破断すること、
を知見した。
(1)被試験材である鋼材から採取した棒状引張試験片を、試験セルに保持した試験溶液中に浸漬し、前記棒状引張試験片の長手方向に所定の負荷応力を負荷して鋼材の耐硫化物応力腐食割れ性を評価する鋼材の耐硫化物応力腐食割れ試験方法であって、前記棒状引張試験片として、平行部と、該平行部を挟み上側の肩部および下側の肩部と、前記上側の肩部に続く上側のつかみ部および前記下側の肩部に続く下側のつかみ部とを有し、かつ前記上側および前記下側の肩部全域、および前記上側のつかみ部で試験開始時の前記試験溶液の初期気液界面と接する位置を中心として所定の幅にわたり、耐食性樹脂を塗布した棒状引張試験片を使用することを特徴とする、鋼材の硫化物応力腐食割れ試験方法。
(2)(1)において、前記所定の幅が、3.0mm以上であることを特徴とする鋼材の硫化物応力腐食割れ試験方法。
(3)(1)または(2)において、前記耐食性樹脂が、タールエポキシ樹脂、シリコン樹脂のうちのいずれかであることを特徴とする鋼材の硫化物応力腐食割れ試験方法。
(4)(1)ないし(3)のいずれかにおいて、前記鋼材が、降伏強さ:758MPa以上を有する高強度鋼材であることを特徴とする鋼材の硫化物応力腐食割れ試験方法。
Claims (4)
- 被試験材である鋼材から採取した棒状引張試験片を、試験セルに保持した試験溶液中に浸漬し、前記棒状引張試験片の長手方向に所定の負荷応力を負荷して鋼材の耐硫化物応力腐食割れ性を評価する鋼材の耐硫化物応力腐食割れ試験方法であって、
前記棒状引張試験片として、平行部と、該平行部を挟み上側の肩部および下側の肩部と、前記上側の肩部に続く上側のつかみ部および前記下側の肩部に続く下側のつかみ部とを有し、かつ前記上側および前記下側の肩部全域、および前記上側のつかみ部で試験開始時の前記試験溶液の初期気液界面と接する位置を中心として所定の幅にわたり、耐食性樹脂を塗布した棒状引張試験片を使用することを特徴とする、鋼材の硫化物応力腐食割れ試験方法。 - 前記所定の幅が、3.0mm以上であることを特徴とする請求項1に記載の鋼材の硫化物応力腐食割れ試験方法。
- 前記耐食性樹脂が、タールエポキシ樹脂、シリコン樹脂のうちのいずれかであることを特徴とする請求項1または2に記載の鋼材の硫化物応力腐食割れ試験方法。
- 前記鋼材が、降伏強さ:758MPa以上を有する高強度鋼材であることを特徴とする請求項1ないし3のいずれかに記載の鋼材の硫化物応力腐食割れ試験方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015140288A JP6094640B2 (ja) | 2014-07-15 | 2015-07-14 | 鋼材の硫化物応力腐食割れ試験方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014144840 | 2014-07-15 | ||
JP2014144840 | 2014-07-15 | ||
JP2015140288A JP6094640B2 (ja) | 2014-07-15 | 2015-07-14 | 鋼材の硫化物応力腐食割れ試験方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016029368A JP2016029368A (ja) | 2016-03-03 |
JP6094640B2 true JP6094640B2 (ja) | 2017-03-15 |
Family
ID=55435303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015140288A Active JP6094640B2 (ja) | 2014-07-15 | 2015-07-14 | 鋼材の硫化物応力腐食割れ試験方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6094640B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9995669B2 (en) * | 2014-07-22 | 2018-06-12 | Jfe Steel Corporation | Round bar tensile test specimen for sulfide stress corrosion cracking test of a steel, test method for sulfide stress corrosion cracking of steel, and seamless steel pipe having excellent resistance to sulfide stress corrosion cracking |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105928784B (zh) * | 2016-04-14 | 2018-11-23 | 华北水利水电大学 | 测定热轧碳素钢平面应力条件下断裂韧度的方法 |
JP6569153B2 (ja) * | 2017-09-11 | 2019-09-04 | 日本製鉄株式会社 | 棒状試験片の表面研磨装置および表面研磨方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6061644A (ja) * | 1983-09-14 | 1985-04-09 | Toshin Kogyo Kk | 材料腐食試験槽 |
JPH06235692A (ja) * | 1993-02-09 | 1994-08-23 | Ishikawajima Harima Heavy Ind Co Ltd | 腐食試験における非試験部保護方法 |
JPH06273313A (ja) * | 1993-03-24 | 1994-09-30 | Nippon Steel Corp | 実管浸漬試験方法 |
JPH10246716A (ja) * | 1997-03-03 | 1998-09-14 | Nippon Steel Corp | 応力負荷水素透過試験方法および試験装置 |
JP3196707B2 (ja) * | 1997-10-15 | 2001-08-06 | 栗田工業株式会社 | 腐食モニタリング用試験片、方法及び装置 |
JP2008082963A (ja) * | 2006-09-28 | 2008-04-10 | Jfe Steel Kk | 耐食性試験方法および耐食鋼、耐食性タンク |
JP4746583B2 (ja) * | 2007-04-13 | 2011-08-10 | 新日本製鐵株式会社 | 被覆鋼材の耐食性評価方法及び被覆鋼材の複合耐食性評価方法 |
JP5971058B2 (ja) * | 2012-09-28 | 2016-08-17 | Jfeスチール株式会社 | 超高強度表面処理鋼板の遅れ破壊特性評価用試験片および遅れ破壊特性評価方法 |
-
2015
- 2015-07-14 JP JP2015140288A patent/JP6094640B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9995669B2 (en) * | 2014-07-22 | 2018-06-12 | Jfe Steel Corporation | Round bar tensile test specimen for sulfide stress corrosion cracking test of a steel, test method for sulfide stress corrosion cracking of steel, and seamless steel pipe having excellent resistance to sulfide stress corrosion cracking |
Also Published As
Publication number | Publication date |
---|---|
JP2016029368A (ja) | 2016-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6094640B2 (ja) | 鋼材の硫化物応力腐食割れ試験方法 | |
Liu et al. | Effect of pH value on stress corrosion cracking of X70 pipeline steel in acidic soil environment | |
JP4868917B2 (ja) | 耐食性に優れた原油タンク底板用鋼材 | |
Sun et al. | Analysis of the corrosion failure of a semiconductor polycrystalline distillation column | |
McCoy et al. | Investigation of the effects of hydrogen on high strength precipitation hardened nickel alloys for O&G service | |
Samusawa et al. | Influence of external tensile stress on corrosion and trench formation of low alloy steel in a low H2S content sour corrosion environment | |
BR112017027978B1 (pt) | Aço para equipamento de armazenamento e equipamento de transporte para o etanol | |
JP5888479B1 (ja) | 鋼材の硫化物応力腐食割れ試験方法 | |
CN103806846B (zh) | 防腐耐磨抽油光杆 | |
Jeong et al. | Effect of applied potential on fatigue crack propagation behavior of Fe24Mn steel in seawater | |
Samusawa et al. | The influence of cyclic load on environmentally assisted cracking of carbon steel in simulated fuel grade ethanol | |
Mat Noh et al. | Effect of pitting corrosion on strength of AISI 410 stainless steel compressor blades | |
JP7295412B2 (ja) | 金属材料の評価方法 | |
Ortiz-Alonso et al. | A Study of the Sulfide Stress Corrosion Cracking in a Supermartensitic Stainless Steel by Using EIS | |
Li et al. | Pitting corrosion of super martensitic stainless steel 00Cr13Ni5Mo2 | |
Mitelea et al. | Susceptibility to Stress Corrosion Cracking in Hydrogen Sulfide Environment of MAG Welded Joints of API 5L x 65M Thermomechanical Treated Steel | |
Natividad et al. | Stress corrosion cracking assessment of API X65 steel non‐conventionally heat treated | |
Visser et al. | Influence of different types of localized corrosion on the fatigue behavior of an austenitic stainless steel | |
CN109487173A (zh) | 一种耐腐蚀的石油输送用螺旋埋弧焊管及其制备方法 | |
Lakkam et al. | Experimental investigation of effect of pitting corrosion on the mechanical properties of 304 grade stainless steel without heat treatment | |
JP2021012149A (ja) | 金属材料の評価方法 | |
Li et al. | Investigation of stress corrosion cracking initiation of 7A52 aluminum alloy | |
Campechano-Lira et al. | Electrochemical Analysis of an API X100 Steel Immersed in NACE Brine Solution with Addition of Corrosion Inhibitor | |
Savas et al. | The effect of heat treatment on the corrosion resistance of 440C stainless steel in 20% HNO 3+ 2.5% Na 2 Cr 2 O 7 solution | |
Khattak et al. | Effect of artificially produced pit-like defects on the strength of AISI 410 stainless steel compressor blades |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160223 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161017 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20161025 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161128 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170117 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170130 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6094640 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |