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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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