 新闻中心产品分类 联系方式
- 联系人：史东晓
- 电话：0319-5531528
- 传真：0319-5531528
- QQ：1098373309
荣誉资质 友情链接 |
|
 OK 74.70伊萨焊材
OK 74.70是一款适用于高强度低合金钢焊接的LMA焊条。该焊条非常适用于包括管道焊接在内的各种应用。
Typical Tensile Properties
|
As welded
|
|
Elongation
|
Tensile Strength
|
Yield Strength
|
保护气体
|
Stress Relieved Temperature
|
Stress Relieved Testing Time
|
|
25 %
|
650 MPa
|
550 MPa
|
ISO
|
-
|
-
|
|
Stress relieved
|
|
Elongation
|
Tensile Strength
|
Yield Strength
|
保护气体
|
Stress Relieved Temperature
|
Stress Relieved Testing Time
|
|
-
|
-
|
-
|
AWS
|
620 °C
|
1 hr
|
夏比V型缺口冲击性能
|
As welded
|
|
Impact Value
|
Testing Temperature
|
保护气体
|
|
120 J
|
-20 °C
|
ISO
|
|
90 J
|
-40 °C
|
ISO
|
焊缝金属分析
|
Mn
|
|
Mn
|
Mo
|
C
|
Si
|
|
1.5 %
|
-
|
-
|
-
|
|
Mo
|
|
Mn
|
Mo
|
C
|
Si
|
|
-
|
0.45 %
|
-
|
-
|
|
C
|
|
Mn
|
Mo
|
C
|
Si
|
|
-
|
-
|
0.08 %
|
-
|
|
Si
|
|
Mn
|
Mo
|
C
|
Si
|
|
-
|
-
|
-
|
0.4 %
|
熔敷数据
|
Fusion time per electrode at 90% I max
|
kg weld metal/kg electrodes
|
Number of electrodes/kg weld metal
|
安培
|
熔敷率
|
电压 V
|
直径
|
|
63 sec
|
0.58 kg
|
50
|
80-140 A
|
1.14 kg/h
|
23 V
|
3.2 x 350 mm
|
|
91 sec
|
0.61 kg
|
25
|
80-140 A
|
1.6 kg/h
|
23 V
|
3.2 x 450 mm
|
|
93 sec
|
0.63 kg
|
24
|
90-190 A
|
1.66 kg/h
|
24 V
|
4.0 x 450 mm
|
|
