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
|
Cr
|
Ni
|
Mo
|
Cu
|
保證值 | ≤0.04 |
0.50~ 2.50 |
≤ 1.00 |
≤0.030 | ≤0.040 |
18.0~ 21.0 |
9.00~ 12.00 |
≤0.75 | ≤0.75 |
例值 | 0.024 | 1.30 | 0.62 | 0.008 | 0.020 | 19.90 | 9.80 | 0.040 | 0.035 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
A
(%) |
保證值 | ≥510 |
A (%) |
例值 | 580 | 45 |
參考電流(AC、DC+)
焊條直徑(mm)
|
Φ2.0
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 40~80 | 50~100 | 70~130 | 100~160 | 140~200 |