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
|
Mo
|
V
|
保證值 | ≤0.10 | ≤1.60 | ≤0.90 | ≤0.035 | ≤0.035 | 0.30~0.80 | ≤0.20 |
例值 | 0.054 | 0.78 | 0.27 | 0.011 | 0.018 | 0.46 | 0.11 |
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 | ≥490 | ≥400 | ≥20 | ≥27 |
例值 | 560 | 460 | 30 | 132 |
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 | 90~130 | 110~180 | 160~210 |