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| Material Designation | Standard | Same grade, different standards. | Source factory |
|---|---|---|---|
| 1J34 | GB /T 32286.1-2015
Alloy Steel |
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| 1J33 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J76 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J83 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J79 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J77 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J66 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J52 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J80 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J54 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J30 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J85 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J86 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J38 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J50 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J65 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J31 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J67 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J51 | GB /T 32286.1-2015
Alloy Steel |
||
| 1J32 | GB /T 32286.1-2015
Alloy Steel |