规格:cylinder I.D 30-500mm
壁厚:2-50mm
材质:20# 45# 16Mn 27SiMn 25Mn,ST52,SAE1026
标准:GB/T8713-88 GB/T3639-2000 DIN2391 EN10305
交货状态 |
冷硬(BK) |
冷拔+去应力退火(BK+S) |
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钢号 |
抗拉 |
延伸(%) |
抗拉 |
屈服 |
延伸(%) |
20# |
≥550 |
≥8 |
≥520 |
≥375 |
≥15 |
45# |
≥640 |
≥5 |
≥600 |
≥520 |
≥10 |
16Mn |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
25Mn |
≥640 |
≥5 |
≥600 |
≥510 |
≥12 |
27SiMn |
≥840 |
≥5 |
≥800 |
≥720 |
≥10 |
ST45 |
≥550 |
≥5 |
≥520 |
≥375 |
≥15 |
ST52* |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
SAE1026 |
≥640 |
≥5 |
≥600 |
≥510 |
≥12 |
*Low temperature impact test upon request (27J/-20℃) |
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