类别 | 屈服点(MPa) | 钢板厚度(mm) | 结构型钢厚度(mm) |
A572Gr42 | 290 | 150 | 全部 |
A572Gr50 | 345 | 100 | 全部 |
A572Gr55 | 380 | 50 | 全部 |
A572Gr60 | 415 | 32 | 50 |
A572Gr65 | 450 | 32 | 50 |
级别 | C | Mn | P | S | Si(≤ 40mm) | Si(>40mm) |
A572Gr42 | ≤ 0.21 | ≤ 1.35 | ≤ 0.04 | ≤ 0.05 | ≤ 0.4 | 0.15-0.4 |
A572Gr50 | ≤ 0.23 | ≤ 1.35 | ≤ 0.04 | ≤ 0.05 | ≤ 0.4 | 0.15-0.4 |
A572Gr55 | ≤ 0.25 | ≤ 1.35 | ≤ 0.04 | ≤ 0.05 | ≤ 0.4 | 0.15-0.4 |
A572Gr60 | ≤ 0.26 | ≤ 1.35 | ≤ 0.04 | ≤ 0.05 | ≤ 0.4 | 0.15-0.4 |
A572Gr65(13-32) | ≤ 0.23 | ≤ 1.65 | ≤ 0.04 | ≤ 0.05 | ≤ 0.4 | - |
A572Gr65(≤13) | ≤ 0.26 | ≤ 1.35 | ≤ 0.04 | ≤ 0.05 | ≤ 0.4 | - |
类型 | 元素 | 熔炼分析 |
1 | 铌 | 0.005-0.005 |
2 | 钒 | 0.01-0.15 |
3 | 铌钒铌+钒 | 0.005-0.050.01-0.150.02-0.15 |
5 | 钛氮钒 | 0.006-0.040.003-0.015≤0.06 |
牌号 | 抗拉强度,ksi(MPa) | 屈服强度(最小)ksi(MPa) | 8in.(≤200mm)的伸长率(最小)%в | 2in.(50mm)的伸长率(最小)%в |
A572Gr42 | 60(415) | 42(290) | 20 | 24 |
A572Gr50 | 65(450) | 50(345) | 18 | 21 |
A572Gr55 | 70(485) | 55(380) | 17 | 20 |
A572Gr60 | 75(520) | 60(415) | 16 | 18 |
A572Gr65 | 80(550) | 65(450) | 15 | 17 |
欢迎光临 钢铁圈子-有钢铁的地方,就有钢铁圈子! (https://ironbbs.com/) | Powered by Discuz! X3.5 |