厂商 :山东聊城市盛通金属物资有限公司
山东 聊城- 主营产品:
- 无缝钢管
- 汽车扶手管
- 精密钢管
绗磨管 精密绗磨管 耐磨 内外光亮 精确度高 专业生产销售
Specification (规格): Cylinder ID:50-250mm Material (材质) :20# (A106)、45#(CK45)、16Mn(ST52, E355)、25Mn、27SiMn Precision (精度): ID Tolerance: H8 Straightness: 0.2-0.5mm/M Condition: BKS Roughness: ≤0.4um Thickness Tolerance: ±5% |
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供货状态 Final Supply Condition |
冷硬 Cold finished (Hard)(BK) |
冷拔+去应力退火 Cold drawn and stress-relieved (BK+S) |
硬度Hardness HB |
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机械性能 Parameters |
抗拉强度 T.S Rm N/mm2 |
伸长率 Elongation A5% |
抗拉强度 T.S Rm N/mm2 |
屈服强度 Y.S ReH N/mm2 |
伸长率Elongation A5% |
|
20#(A106) |
≧550 |
≧8 |
≧520 |
≧470 |
≧12 |
175 |
45#(CK45) |
≧650 |
≧5 |
≧600 |
≧520 |
≧12 |
207 |
16Mn(ST52,E355) |
≧640 |
≧5 |
≧600 |
≧520 |
≧15 |
190 |
25Mn |
≧640 |
≧5 |
≧600 |
≧510 |
≧15 |
195 |
27SiMn |
≧840 |
≧5 |
≧800 |
≧720 |
≧10 |
230
|