TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
熔敷金屬化學成分(%)
試驗項目
|
C
|
Mn
|
Si
|
S
|
P
|
Ni
|
Cr
|
Mo
|
V
|
Cu
|
保證值 | ≤0.10 | ≤1.40 | ≤0.90 | ≤0.025 | ≤0.025 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.04 | ≤0.25 |
例值 | 0.058 | 1.03 | 0.42 | 0.007 | 0.016 | 0.007 | 0.038 | 0.005 | 0.007 | 0.015 |
熔敷金屬力學性能
試驗項目Rm(MPa)
|
Rm(MPa)
|
ReL/Rp0.2(MPa)
|
A(%)
|
KV2(J)
-30℃ |
保證值 | 490~640 | ≥400 | ≥22 | ≥27 |
例值 | 560 | 470 | 30 | 190 |
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 | 80~120 | 130~180 | 170~220 |