OK 67.55伊萨焊材

OK 67.55是一款非常适合焊接UNS S31803等双相不锈钢的碱性药皮焊条。其所熔敷的焊缝金属在温度低至-50°C/-60°C条件下具有较高的延展性。其特别适合用于在海洋工程中焊接双相不锈钢管道。Typical Tensile Properties
As welded
Elongation	Tensile Strength	Yield Strength	保护气体
28 %	800 MPa	650 MPa	ISO

夏比V型缺口冲击性能
As welded
Impact Value	Testing Temperature	保护气体
100 J	20 °C	ISO
85 J	-20 °C	ISO
75 J	-40 °C	ISO
65 J	-60 °C	ISO

焊缝金属分析
Mn
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
1.0 %	-	-	-	-	-	-	-
Mo
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	3.2 %	-	-	-	-	-	-
C
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	0.04 %	-	-	-	-	-
Si
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	0.7 %	-	-	-	-
Ferrite FN
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	-	41 %	-	-	-
Ni
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	-	-	9.1 %	-	-
Cr
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	-	-	-	-	23.2 %

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
49 sec	0.59 kg	96	50-80 A	0.8 kg/h	23 V	2.5 x 300 mm
61 sec	0.59 kg	50	65-115 A	1.2 kg/h	24 V	3.2 x 350 mm
74 sec	0.60 kg	33	80-140 A	1.5 kg/h	24 V	4.0 x 350 mm