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ASTM A-515 Grade 70 NACE MR-0175 HIC materials
Source:Steel Industry Date:2021/03/09
Steel specification grade: ASTM A-515 Grade 70 NACE MR-0175 HIC materials
Conform to steel standard: NACE MR-0175 / ISO 15156 steel plate materials are used for Sour Service in H2S containing enviroments in oil and gas production.Steel tests including HIC-Hydrogen induced cracking test,SCC-Stress corrosion cracking test,SSC-Sulfide stress cracking test and so on.
Relative steel grades:16Mo3,15Mo3,A204 Grade A,A285 Grade C,SA299 Grade A,SA387,A516 Grade 70,A516 Grade 60,A516 Grade 55,A537CL1,SA537CL2.
Rolling range: Thickness*Width*Length 6-450mm*1500-4200mm*5000-18000mm
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►Mechnical property for A515 Grade 70 boiler steel
|
Yield strength (Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% | |
|
260 |
485-620 |
200mm |
50mm |
|
17 |
21 | ||
►Chemical composition for A515 Grade 70 boiler steel (Product Analysis Max%)
|
Main chemical elements composition of A515 Grade 70 | |||||
|
Thickness(mm) |
C |
Si |
Mn |
P |
S |
|
T≤25 |
0.24 |
0.13-0.45 |
0.98 |
0.035 |
0.025 |
|
25<T≤50 |
0.27 | ||||
|
50<T≤100 |
0.29 | ||||
|
T>100 |
0.31 | ||||