AWS A5.9 / ASME SFA5.9 ER308 JIS Z3321 YS308 EN ISO 14343-A-W 19 9 Applications TIG welding of 18%-8%Ni stainless steel. Applications Characteristics on Usage GST.308 is a filler rod for TIG welding with pure Ar gas. As the weld metal contains ferrite, its crack resistibility is excellent. Both its bead appearance and weldability are good. Furthermore, resistance to corrosion and mechanical properties is good. Typical Chemical Composition of All-Weld Metal (%) C Si Mn Ni Cr 0.05 0.38 1.75 10.1 19.8 Typical Mechanical Properties of All-Weld Metal Y.S EL. CVN-Impact N/mm2(lbs/in2) (%) 0℃(32℉) 610(88,500) 40 130(95) Typical Welding Conditions (DC+) Size mm (in) Currents A Gas Flow (1 /min.) Shielding gas 1.2 (.045) ~ 2.0 (5/64) 50 ~ 100 25 Ar 1.6 (1/16) ~ 3.2 (1/8) 100 ~ 200 25 Ar 2.4 (3/32) ~ 3.2 (1/8) 200 ~ 300 25 Ar 3.2 (1/8) 300 ~ 400 25 Ar Approval KR, ABS, DNV
AWS A5.9 / ASME SFA5.9 ER308
JIS Z3321 YS308
EN ISO 14343-A-W 19 9
Applications
TIG welding of 18%-8%Ni stainless steel.
Characteristics on Usage
GST.308 is a filler rod for TIG welding with pure Ar gas.
As the weld metal contains ferrite, its crack resistibility is excellent.
Both its bead appearance and weldability are good.
Furthermore, resistance to corrosion and mechanical properties is good.
Typical Chemical Composition of All-Weld Metal (%)
C
Si
Mn
Ni
Cr
0.05
0.38
1.75
10.1
19.8
Typical Mechanical Properties of All-Weld Metal
Y.S
EL.
CVN-Impact
N/mm2(lbs/in2)
(%)
0℃(32℉)
610(88,500)
40
130(95)
Typical Welding Conditions (DC+)
Size
mm (in)
Currents
A
Gas Flow
(1 /min.)
Shielding gas
1.2 (.045) ~ 2.0 (5/64)
50 ~ 100
25
Ar
1.6 (1/16) ~ 3.2 (1/8)
100 ~ 200
2.4 (3/32) ~ 3.2 (1/8)
200 ~ 300
3.2 (1/8)
300 ~ 400
Approval
KR, ABS, DNV
