WELDING TIG ROD AWS ER-70S-G "HYUNDAI"

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Korea (South)

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ST-50G AWS A5.18 / ASME SFA5.18 ER70S-G
JIS Z3316 YGT50
Butt and fillet welding of carbon steel for pressure vessels, tubes for nuclear reactors, ships, penstock
and aluminum-killed steel for low temperature service.
Applications
KR, ABS, DNV, LR, NK, BV, GL
Approval
ST-50 G is a wire for TIG welding with pure Ar gas.
All position welding and steel sheet welding can be performed quite easily.
Characteristics on Usage
Typical Chemical composition of All-Weld Metal (%)
C Si Mn Shielding Gas
0.08 0.70 1.30 Ar
Typical Mechanical Properties of All-Weld Metal
Y.S T.S EL. CVN-Impact Value
N/mm2 (lbs/in2) N/mm2 (lbs/in2) (%) J (ft.lbs) -20°C (-4°F)
460 (66,700) 530 (76,900) 27 170 (125)
Typical Welding Conditions (DC-)
Size mm (in)
Length mm (in)
1.6 (1/16) 2.0 (5/64) 2.4 (3/32) 2.6 (3/32) 3.2 (1/8)
900(36)
ST-316L AWS A5.9 / ASME SFA5.9 ER316L
JIS Z3321 Y316L
TIG welding of low carbon 18%Cr-12%Ni-2%Mo steel.
Applications
KR, ABS, DNV, GL, LR, NK, BV
Approval
ST-316L 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.
Resistance to corrosion and heat is extremely good.
Characteristics on Usage
Typical Mechanical Properties of All-Weld Metal
Y.S EL. CVN-Impact Value
N/mm2 (lbs/in2) (%) J (ft.lbs) 0°C (32°F)
570 (82,700) 44 140 (103)
Typical Welding Conditions (DC-)
Size
A V
Gas Flow
Remarks
mm (in) ( /min.)
1.2 (.045) 290 28 25 Shielding Gas
1.6 (1/16) 340 30 25 Ar

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