OK 67.50伊萨焊材

OK 67.50是一款适用于焊接CrNiMoN 22 5 3 和CrNiN 23 4牌号奥氏体-铁素体不锈钢的酸性金红石药皮焊条。其双相全焊缝金属具有高强度与优良延展性相结合的特点。 抗点蚀性能优良，且全焊缝金属不易受到应力腐蚀开裂的影响。Typical Tensile Properties
As welded
Elongation	Tensile Strength	Yield Strength	保护气体
25 %	857 MPa	691 MPa	ISO
-	-	-	AWS

夏比V型缺口冲击性能
As welded
Impact Value	Testing Temperature	保护气体
50 J	20 °C	ISO
41 J	-30 °C	ISO

焊缝金属分析
Mn
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
0.8 %	-	-	-	-	-	-	-
Mo
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	3.2 %	-	-	-	-	-	-
C
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	0.03 %	-	-	-	-	-
Si
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	0.8 %	-	-	-	-
Ferrite FN
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	-	42 %	-	-	-
Ni
Mn	Mo	C	Si	Ferrite FN	Ni	N	Cr
-	-	-	-	-	8.8 %	-	-
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
33 sec	0.55 kg	152	30-65 A	0.7 kg/h	29 V	2.0 x 300 mm
38 sec	0.58 kg	91	50-90 A	1.0 kg/h	27 V	2.5 x 300 mm
55 sec	0.58 kg	47	80-120 A	1.4 kg/h	28 V	3.2 x 350 mm
59 sec	0.58 kg	32	90-160 A	1.9 kg/h	29 V	4.0 x 350 mm
64 sec	0.58 kg	20	150-220 A	2.8 kg/h	30 V	5.0 x 350 mm