Chemical composition and Physical property
Grade(材质) | C(%)(碳) | Si(%)(硅) | Mn(%)(锰) | Cr(%)(铬) | P(%)(磷) | S(%)(硫) | N(氮) | Ni(%)(镍) | Cu(%)(铜) |
201 | ≤0.15 | ≤0.75 | 5.50-7.50 | 16.00-18.00 | ≤0.06 | ≤0.03 | ≤0.25 | ≤0.6 | 0.80-1.50 |
Grade(材质) | TS(Mpa)(抗拉强度) | YS(Mpa)(屈服强度) | EL(Mpa)(伸长率) |
201 | ≥520 | ≥270 | 55.00-60.00 |
Allowed wall thickness tolerance
Level(等级) | Wall tolerance allowed(公差范围) |
D1 | +-1.5%,Min +-0.75mm |
D2 | +-1.0%,Min +-0.50mm |
D3 | +-0.75%,Min +-0.30mm |
D4 | +-0.50%,Min +-0.10mm |
Calculating formula for weight(KG/M)
(Outdais meter-wall thickness)×wall thickness}×0.02491=KG/M