MATERIAL STANDARDS AND PERFORMANCE
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CHINA
CHINA
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ISO international standard
ISO international standard
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U.S.A
U.S.A
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Japan
Japan
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Australia
Australia
Sheet1 Standards No. & chemical composition
| 等级 | 化学成分（包含残留元素）% | ||||||||||||||
| C | SI | MN | S | P | CR | MO | NI | 其他 | |||||||
| min | max | min | max | min | max | max | max | min | max | min | max | min | max | ||
| AS2074H1A | 1.00 | 1.35 | - | 1.00 | 11.00 | - | 0.10 | - | - | - | - | - | - | - | - |
| AS2074H1B | 1.00 | 1.35 | - | 1.00 | 11.00 | - | 0.10 | - | 1.50 | 2.50 | - | - | - | - | - |
| AS2074H1C | 1.00 | 1.35 | - | 1.00 | 11.00 | - | 0.10 | - | - | - | - | - | - | - | - |
| AS2074H1D | 1.00 | 1.35 | - | 1.00 | 17.00 | - | 0.10 | - | - | - | 0.90 | 1.20 | - | - | - |