Yosun (Tianjin) Piping Engineering Co., Ltd. is one of the most credible manufacturers and suppliers of 4140 in China. Please feel free to wholesale customized 4140 at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
[Heat chemical ranges and limits,%]
| Grade designation | carbon | manganese | phosporus,max | sulfur,max | sillicon | nickel | chromium | molybdenum |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.035 | 0.040 | 0.15-0.35 | ... | 0.80-1.10 | 0.15-0.25 |
[Packing]
1.Civilian Procurement- Unless otherwise specified,the bars shall be packaged and loaded in accordance wit Guide A700.
2.Government Procurement- MIL-STD-163 shall apply when packing is specififed in the contract or order,or when Level A for preservation,packaging, and packing is specified for direct procurement by or direct shipment to the government.
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