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| Material Designation | Standard | Same grade, different standards. | Source factory |
|---|---|---|---|
| L20409 | GB /T 8731-2008
Carbon Steel |
- | |
| U72152 | GB /T 8731-2008
Carbon Steel |
- | |
| Y15 | GB /T 8731-2008
Carbon Steel |
- | |
| U70200 | GB /T 8731-2008
Carbon Steel |
- | |
| Y12 | GB /T 8731-2008
Carbon Steel |
||
| Y35 | GB /T 8731-2008
Carbon Steel |
||
| Y08Sn | GB /T 8731-2008
Carbon Steel |
||
| U72082 | GB /T 8731-2008
Carbon Steel |
- | |
| U74152 | GB /T 8731-2008
Carbon Steel |
- | |
| U71156 | GB /T 8731-2008
Carbon Steel |
- | |
| U74452 | GB /T 8731-2008
Carbon Steel |
- | |
| Y12Pb | GB /T 8731-2008
Carbon Steel |
||
| Y08MnS | GB /T 8731-2008
Carbon Steel |
||
| Y45MnS | GB /T 8731-2008
Carbon Steel |