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ASTM A516 gr70 steel plate chemical composition and mechanical properties steel plate

ASTM A516 gr70 steel plates are mainly used in welded pressure vessels where improved notch toughness is important. Generally As Rolled is ok for rolling ASTM A516 gr70 steel plate. However, in order to improve ASTM A516 gr70 steel property and toughness, it is suggested to do normalizing for ASTM A516 gr70 steel plates especially for the plates above 40mm thick. NACE MR-0175 ASTM A516 gr70 steel plate is also offered by BBN steel with HIC test and SSCC test.

ASTM A516 gr70 steel plate chemical composition and mechanical properties:

Grade ASTM A516 gr70 steel plate chemical composition (%)
C Mn≥ Si P S
A516 gr70 0.27-0.31 0.79-1.3 0.13-0.45 0.035 0.035
Grade ASTM A516 gr70 steel plate mechanical property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test Temperature(°C)  
A516 gr70 485-620 260 17 -20,40,-60  

ASTM A516 gr70 steel plate technical requirements & additional services:
1) High tension test
2) Low temperature impact test
3) Normalized for ASTM A516 gr70 steel plate over 40mm thick
4) Simulated post-welded heat treatment (PWHT)
5) Rolling under standard NACE MR-0175 (HIC+SSC)
6) Issued orginal Mill Test Certificate under EN10204 3.1 or EN10204 3.2
7)Sand blasting and Painting, cutting and welding as per your demands

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