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ASTM A-516 Gr.70 NACE MR-0175 HIC SSC
Source:Xin Steel Industry   Date:2015/05/14

Steel materials grade: ASTM A-516 Gr.70 NACE MR-0175 HIC SSC

 

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 A516 Grade 70 boiler steel:

 

Yield strength (≥Mpa)

Tensile strength (Mpa)

Elongation in ≥,%

260

485-620

200mm

50mm

17

21


Chemical composition for A516 Grade 70 boiler steel (Product Analysis Max%)

 

Main chemical elements composition of A516 Grade 70

Thickness(mm)

C

Si

Mn

P

S

T≤12.5

0.27

0.13-0.45

0.79-1.30

0.035

0.035

12.5<T≤50

0.28

50<T≤100

0.30

100<T≤200

0.31

T>200

0.31