C |
Mn |
Si |
S |
P |
Cu |
Cr |
Ni |
≤0.10 |
0.30-0.55 |
≤0.030 |
≤0.030 |
≤0.030 |
≤0.20 |
≤0.20 |
≤0.30 |
抗拉强度(MPa)
Rm(MPa) |
屈服强度(MPa)
Rp0.2(MPa) |
伸长率(%)
A(%) |
冲击功温度(-20℃)(J)
Akv(J) |
配合焊剂
Flux |
510 |
410 |
29 |
68 |
HJ431 |