Stainless Steel for Gas Tungsten Arc Welding and Gas Metal Arc Welding Product Name LKM-307 LKT-307 LKM-308/308L LKT-308/308L LKM-308Lsi LKT-308Lsi LKM-309/309L LKT-309/309L LKM-309Mo LKT-309Mo LKM-309Lsi LKT-309Lsi LKM-310 LKT-310 LKM-310HC LKT-310HC LKM-312 LKT-312 LKM-316/316L LKT-316/316L LKM-316Lsi LKT-316Lsi LKM-317 LKT-317 LKM-317L LKT-317L LKM-347 LKT-347
JIS Z3221 AWS A5.9 DIN 8556 ER 307 Y 308/308L ER 308/308L SG X5 CrNi 19 9/ SG X2 CrNi 19 9 Y 308Lsi ER 308Lsi SG X2 CrNi 19 9 Y 309/309L ER 309/309L -/ SG X2 CrNi 24 12 Y 309Mo ER 309Mo ER 309Lsi SG X2 CrNi 24 12 Y 310 ER 310 SG X12 CrNi 25 20 Y 312 ER 312 SG X10 CrNi 30 9 Y 316/316L ER 316/316L -/ SG X2 CrNiMo 19 12 Y 316Lsi ER316Lsi SG X2 CrNiMo 19 12
Y 317 ER 317 Y 317L ER 317L Y 347 ER 347 SG X5 CrNiNb 19 9
Dia. (mm)
Mechanical Properties
Chemical Composition(wt%)
Applications and Characteristics
Mn
Si
Cr
Ni
Mo
other
TS N/mm2
EL %
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
Suitable for welding of work-hardening steels, armor plates, manganese steels, heat resistance steels (up to 850 ℃ ), and 0.08 dissimilar metals.
4.50
0.46
20.0
9.5
-
-
600
42
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
The weld metal is 18Cr-8Ni stainless steel. It is suitable for the 0.02 welding of AISI 304, 304L, 301, 302 and 321.
1.65
0.42
20.1
10.3
-
-
580
42
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
The weld metal with low carbon and higher silicon content 0.02 improves the fluidity of the filler metal during welding.
2.25
0.78
19.8
10.5
-
-
590
41
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
The weld metal contains high Ni and Cr. Suitable for the welding 0.02 of dissimilar metals such as mild steel to stainless steel.
1.98
0.39
23.9
12.9
-
-
590
40
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
The weld metal is 25Cr-12Ni-2.5Mo stainless steel. Excellent oxidization resistance at high temp. can be attained. 0.09 Suitable for welding of dissimilar metals.
1.82
0.46
23.8
13.1
2.54
-
620
42
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
The weld metal with low carbon and higher silicon content 0.02 improves the fluidity of the filler metal during welding.
2.35
0.74
23.9
13.8
-
-
600
38
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
Excellent corrosion resistance, heat resistance, and toughness. Suitable for the welding of steel with high hardenability, and 13Cr 0.08 steel.
2.01
0.4
27.4
21.8
-
-
610
41
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
Good oxidization resistance at high temperature. Suitable for 0.42 high temp., high pressure system.
1.98
0.62
27.1
21.2
-
-
775
22
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
For welding of 29%Cr-9%Ni stainless cast steel. And dissimilar 0.13 metal such as carbon steel or low alloy steel to stainless steel.
1.62
0.49
29.6
8.7
-
-
705
26
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
For welding of 18%Cr-12%Ni-2%Mo stainless steel. Excellent creep strength, and resistance to sulfuric acid due to the Mo 0.02 content.
1.91
0.42
19.1
12.6
2.6
-
560
40
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
The weld metal is ultra low carbon and higher silicon content that 0.02 improves the fluidity of the filler metal during welding.
1.60
0.74
19.0
12.4
2.3
-
580
39
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
Excellent corrosion resistance due to the Mo content.
0.04
1.86
0.45
19.4
14.2
3.5
-
600
42
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
For welding of low carbon 19%Cr-13%Ni-3%Mo stainless steel. 0.02 Excellent intergranular corrosion resistance.
1.76
0.40
19.6
13.7
3.6
-
570
42
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
For welding of heat resistance steel. Excellent intergranular corrosion resistance due to Nb content, suitable for welding of 0.04 AISI 347, 321, 304L.
1.61
0.41
20.4
9.9
-
Nb 0.8
630
41
C
Product Name
JIS Z3221 AWS A5.9 DIN 8556
Dia. (mm)
LKM-410 LKT-410
Y 410 ER 410 -
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
For welding of 13%Cr stainless steel such as AISI 410 and AISI 0.11 420.
LKM-630 LKT-630
ER 630 -
0.8 0.9 1.0 1.2 1.6 2.0 2.4 3.2 4.0 4.8
For welding of 17%Cr-4%Ni precipitation-hardening stainless 0.03 steel.
0.52
0.37
16.5
4.60
0.03
LKM-2209 LKT-2209
ER 2209 -
0.8 0.9 1.0 1.2 1.6 2.0 2.4
It is applicable to weld duplex stainless steels such as UNS 0.012 1.67 S31803(Alloy 2205)
0.44
22.6
8.73
3.21
Applications and Characteristics
Mechanical Properties
Chemical Composition(wt%)
0.43
0.45
11.8
0.18
-
Cu 3.40 Nb 0.23 Cu 0.16 N 0.15
510
25
990
10
750
25