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(%)
項(xiàng)目
|
C
|
S
|
Mn
|
Si
|
P
|
Cr
|
Ni
|
Nb
|
Cu
|
Fe
|
保證值 |
≤0.08 |
≤ 0.015 |
≤3.5 |
≤0.80 |
≤ 0.020 |
13.0- 17.0 |
≥62.0 |
0.5- 4.0 |
≤0.50 |
≤11.0 |
例值 | 0.013 | 0.002 | 2.6 | 0.43 | 0.005 | 15.23 | 67.6 | 3.37 | 0.02 | 10.3 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
Rm
MPa |
ReL/Rp0.2
MPa |
A%
|
保證值 |
≥550 |
≥360 |
≥27 |
例值 | 656 |
419 |
38 |
參考電流(DC+)
焊條直徑mm
|
Φ3.2
|
Φ4.0
|
焊接電流A |
70~110 |
100~140 |