C |
Mn |
Si |
S |
P |
Cu |
Cr |
Ni |
≤0.10 |
0.80-1.10 |
≤0.07 |
≤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 |
570 |
445 |
28 |
65 |
HJ431 |