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公司基本資料信息
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OK 74.70是一款適用于高強(qiáng)度低合金鋼焊接的LMA焊條,。該焊條非常適用于包括管道焊接在內(nèi)的各種應(yīng)用,。
Typical Tensile Properties
As welded
Elongation
Tensile Strength
Yield Strength
保護(hù)氣體
Stress Relieved Temperature
Stress Relieved Testing Time
25 %
650 MPa
550 MPa
ISO
-
-
Stress relieved
Elongation
Tensile Strength
Yield Strength
保護(hù)氣體
Stress Relieved Temperature
Stress Relieved Testing Time
-
-
-
AWS
620 °C
1 hr
夏比V型缺口沖擊性能
As welded
Impact Value
Testing Temperature
保護(hù)氣體
120 J
-20 °C
ISO
90 J
-40 °C
ISO
焊縫金屬分析
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 %
熔敷數(shù)據(jù)
Fusion time per electrode at 90% I max
kg weld metal/kg electrodes
Number of electrodes/kg weld metal
安培
熔敷率
電壓 V
直徑
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
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