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 | ≤0.15 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
例值 | 0.072 | 0.93 | 0.43 | 0.009 | 0.017 | 0.025 | 0.028 | 0.006 | 0.016 |
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)
|
|
|
|
|
-30℃
|
保證值 | ≥490 | ≥400 | ≥20 | ≥27 |
例值 | 530 | 435 | 26 | 90 |
參考電流 (打底焊)(DC+)
焊條直徑(mm)
|
Φ2.5
|
Φ3.2
|
Φ4.0
|
焊接電流(A) | 50~80 | 70~100 | 100~160 |