德国 · DIN

1.0488

SEW 081-2:1998 — Mechanical properties of weldable fine grain steels normalized rolled in greater thicknesses up to 250mm - Part 2:Fine grain steels in accordance with DIN EN 10028-3 for pressure equipment.

力学性能

按热处理状态分组
屈服强度 Rp0.2≥215 MPa抗拉强度 Rm340–470 MPa冲击功 Kv/Ku≥55 J伸长率 A≥22 %

力学性能

热处理 / 状态屈服强度抗拉强度伸长率断面收缩率冲击功硬度
扁钢 150< t-厚度 ≤250mm  正火/正火轧制≥215 ReH340–470≥22 Lo=5.65√So≥55 Charpy V Notch