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
|
Ni
|
Cr
|
Mo
|
V
|
保證值 | ≤0.20 | ≤1.20 | ≤1.00 | ≤0.035 | ≤0.040 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
例值 | 0.078 | 0.39 | 0.18 | 0.018 | 0.023 | 0.020 | 0.032 | 0.008 | 0.005 |
熔敷金屬力學(xué)性能
試驗(yàn)項(xiàng)目
|
R m
( MPa ) |
R e L
( MPa ) |
A
( % ) |
KV2(J)
|
|
|
|
|
|
|
0℃
|
-20℃
|
|
保證值 | ≥430 | ≥330 | ≥20 | ≥27 | ≥47 | |
例值 | 475 | 390 | 29.5 | 97 | 73 |
參考電流(AC、DC)
焊條直徑(mm)
|
Φ2.0
|
Φ2.5
|
Φ3.0
|
Φ4.0
|
Φ5.0
|
焊接電流(A) | 40~70 | 60~100 | 80~140 | 140~220 | 180~240 |