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
|
Mo
|
V
|
Nb
|
保證值 | 0.05~0.12 | ≤0.90 | ≤0.60 | ≤0.030 | ≤0.030 |
0.80~ 1.50 |
0.70~ 1.00 |
0.15~ 0.40 |
0.10~ 0.25 |
熔敷金屬力學(xué)性能(715~745℃×5h熱處理)
試驗(yàn)項(xiàng)目
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
保證值 | ≥550 | ≥460 | ≥15 |
參考電流(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 60~90 | 60~90 | 140~180 | 170~210 |