GFL—71Ni高强度钢药芯焊丝高强度钢用药芯焊丝
GFL—71NiHigh strength steel flux-cored wire
化学成分
合金(compound
|
C
|
Mn
|
Si
|
Cr
|
Ni
|
Mo
|
P
|
S
|
V
|
GB/T标准(standard)
|
0.18
|
1.75
|
0.9
|
0.2
|
0.5
|
0.3
|
0.03
|
0.03
|
0.08
|
AWS标准(standard)
|
0.12
|
1.75
|
0.9
|
0.2
|
0.5
|
0.3
|
0.03
|
0.03
|
0.08
|
例值(Cases of value)
|
0.034
|
1.24
|
0.37
|
0.02
|
0.45
|
0.01
|
0.011
|
0.005
|
0.01
|
机械性能
机械性能(mechanical behavior)
|
屈服强度(yield strength )MPa
|
抗拉强度(tensile strength )MPa
|
伸长率(elongation )%
|
冲击值(impact value)J/℃
|
热处理(Heat treatment)℃xh
|
GB/T标准
|
400
|
480
|
22
|
27/-40
|
AW
|
AWS标准
|
390
|
490-670
|
22
|
27/-40
|
AW
|
例值
|
505
|
560
|
28
|
118/-40
|
AW
|
推荐参数
直径规格/mm
|
1.2
|
1.4
|
1.6
|
电压(Volt)
|
25-30
|
24-36
|
25-40
|
电流(Amp)
|
150-300
|
170-360
|
200-400
|
干伸长度(Stem elongation
)(mm)
|
15-25
|
15-25
|
15-25
|
气体流量(gas-flow rate)(l/min)
|
20-25
|
20-25
|
20-25
|
预热及道间温度(Preheat and interpass temperature
):150℃左右