TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學(xué)成分(%)
試驗(yàn)項(xiàng)目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Cr
|
Mo
|
V
|
保證值 |
≤ 0.12 |
≤ 1.20 |
≤ 0.90 |
≤ 0.006 |
≤ 0.012 |
≤0.30 | ≤0.20 | ≤0.30 |
≤ 0.08 |
例值 | 0.085 | 0.83 | 0.39 | 0.004 | 0.007 | 0.020 | 0.010 | 0.010 | 0.002 |
熔敷金屬力學(xué)性能(620℃×1h熱處理)
試驗(yàn)項(xiàng)目
|
Rm(MPa)
|
ReL/Rp0.2(MPa)
|
A(%)
|
KV2(J)
-30℃ |
保證值 | 430-550 | ≥220 | ≥22 | ≥54 |
例值 | 490 | 380 | 30 | 185 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 60~100 | 80~130 | 140~180 | 170~210 |