OK 75.75伊萨焊材

OK 75.75是一款已烘干至较低水分含量的LMA焊条，适合用于室温条件下或经过适度预热的高强度、低合金钢焊接。Typical Tensile Properties
As welded
Elongation	Tensile Strength	Yield Strength	保护气体
20 %	830 MPa	780 MPa	ISO
-	-	-	AWS

夏比V型缺口冲击性能
As welded
Impact Value	Testing Temperature	保护气体
60 J	-40 °C	ISO

焊缝金属分析
Mn
Mn	Mo	C	Si	Ni	Cr
1.61 %	-	-	-	-	-
Mo
Mn	Mo	C	Si	Ni	Cr
-	0.4 %	-	-	-	-
C
Mn	Mo	C	Si	Ni	Cr
-	-	0.05 %	-	-	-
Si
Mn	Mo	C	Si	Ni	Cr
-	-	-	0.36 %	-	-
Ni
Mn	Mo	C	Si	Ni	Cr
-	-	-	-	2.4 %	-
Cr
Mn	Mo	C	Si	Ni	Cr
-	-	-	-	-	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
54 sec	0.67 kg	66.0	70-110 A	1.00 kg/h	22 V	2.5 x 350 mm
80 sec	0.67 kg	31.5	100-150 A	1.40 kg/h	23 V	3.2 x 450 mm
92 sec	0.65 kg	21.0	135-200 A	1.90 kg/h	24 V	4.0 x 450 mm
105 sec	0.63 kg	12.0	180-260 A	2.50 kg/h	25 V	5.0 x 450 mm