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ST-308

FIller Metal Breakdown

ST-308

ST-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.
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MSDS
Data Sheet
  • Welding Positions

Classification

  • AWS A5.9/ASME SFA-5.9 ER308
  • JIS Z 3321 YS308
  • EN ISO 14343-A-W 19 9
  • KS D7026 Y308

Approvals

ABS DNV KR CE
✓ ✓ ✓ ✓

Features

  • Resistance to crack
  • High Efficiency
  • Resistance to corrosion
Polarity: DC

Application Areas

  • Steel structures
  • Oil, nuclear reactor
Shielding Gas: 100% Ar

Base Materials to be welded

TIG welding of 18%-8%Ni stainless steel.

Diameter / Packaging

Wire Diameter Packaging
1.6 (1/16) 5kg (11lbs) * 1000
2.0 (5/64) 5kg (11lbs) * 1000
2.4 (3/32) 5kg (11lbs) * 1000
2.6 (0.10) 5kg (11lbs) * 1000
3.2 (1/8) 5kg (11lbs) * 1000

Typical Chemical Composition of the Wire (wt%)

C Si Mn P S Cu Ni Cr Mo
0.04 0.36 1.8 0.02 0.01 0.05 9.5 19.9 0.13

Typical Mechanical Properties of All-Weld Meta

Tensile Strength MPa(ksi) Elongation (%) Temperature °C (°F) Impact Toughness J (ft·lbs)
630 (91) 45 -60 (-75) 105 (77)

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