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What's the chemical composition of ASME SA516 Grade 70 steel plates?

Question :What's the chemical composition of ASME SA516 Grade 70 steel plates?

Answer:

ASME SA516 Grade 70 steel chemical composition :

Compostion

SA516 Grade 70(485)

C ≤ ①

≤ 12.5mm

0.27

 

> 12.5mm ~ 50mm

0.28

 

> 50mm ~ 100mm

0.30

 

> 100mm ~ 200mm

0.31

 

> 200mm

0.31

Mn

≤12.5mm

Heat analyse

0.85~1.20

 
 

Product analyse

0.79~1.30

 

12.5mm~50mm

Heat analyse

0.85~1.20

 
 

Product analyse

0.79~1.30

P ≤ ①

0.035

S ≤ ①

0.035

Si

Heat analyse

0.15~0.40

 

Product analyse

0.13~0.45

① means be suitable for both heat analyse and product analyse

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