C |
Mn |
P |
S |
Si |
Cr |
Mo |
V |
0.05-0.12 |
≤0.90 |
≤0.035 |
≤0.035 |
≤0.65 |
0.80-1.50 |
0.40-0.65 |
0.10-0.35 |
抗拉強(qiáng)度 (бb(Mpa) |
屈服點(diǎn) бs(MPa) |
伸長(zhǎng)率 δ5(%) |
沖擊功Akv(J) |
常溫 |
|||
≥540 |
≥440 |
≥17 |
≥27 |
焊條直徑(mm) |
2.0 |
2.5 |
3.2 |
4.0 |
5.0 |
焊接電流(A) |
40-70 |
60-90 |
90-120 |
140-180 |
170-210 |