元素 | 成分,% 详细咨询:15637584700 | |||
A级 | B级 | C级 | ||
C | 熔炼分析 成品分析 | ≤0.18 ≤0.22 | ≤0.20 ≤0.24 | ≤0.22 ≤0.26 |
Mn | 熔炼分析 成品分析 | 1.00~1.60 0.92~1.72 | 1.00~1.60 0.92~1.72 | 1.10~1.60 1.02~1.72 |
P① | ≤0.025 | ≤0.025 | ≤0.025 | |
S① | ≤0.025 | ≤0.025 | ≤0.025 | |
Si | 熔炼分析 成品分析 | ≤0.55 ≤0.60 | ≤0.50 ≤0.55 | 0.20~0.60 0.18~0.65 |
Cu② | 熔炼分析 成品分析 | ≤0.35 ≤0.38 | ≤0.30 ≤0.38 | ≤0.35 ≤0.38 |
Ni② | 熔炼分析 成品分析 | ≤0.25 ≤0.28 | ≤0.25 ≤0.28 | ≤0.25 ≤0.28 |
Cr② | 熔炼分析 成品分析 | ≤0.25 ≤0.29 | ≤0.25 ≤0.29 | ≤0.25 ≤0.29 |
Mo② | 熔炼分析 成品分析 | ≤0.08 ≤0.09 | ≤0.08 ≤0.09 | ≤0.08 ≤0.09 |
V② | 熔炼分析 成品分析 | ≤0.08 ≤0.09 | ≤0.08 ≤0.09 | ≤0.08 ≤0.09 |
B | - | - | ≤0.005③ |
性能 | A级和C级,ksi(MPa) | B级ksi(MPa) |
抗拉强度 屈服强度 伸长率,标距为2in.(50mm),%①② | 90~110(620~760) ≥70(485) ≥19 | 95~115(655~795) ≥75(515) ≥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 |