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ST-50G

FIller Metal Breakdown

ST-50G

ST-50G is a wire for TIG welding with pure Ar gas. All position welding and steel sheet welding can be performed quite easily. Most suitable for one-side welding of tubes. It is used in DC straight polarity.
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MSDS
Data Sheet
  • Welding Positions

Classification

  • AWS A5.18/ASME SFA-5.18 ER70S-G
  • JIS Z 3316 YGT50
  • EN ISO 636-A-W3Si1

Approvals

ABS BV CCS DNV KR LR NK
✓ ✓ ✓ ✓ ✓ ✓ ✓

Features

  • Good impact value at low temperature
  • Great workability and bead appearance
  • Good performance
Polarity: DC

Application Areas

  • Pressure vessels
  • Nuclear reactors
  • Rail road car
  • Shipbuilding
  • Pipeline
Shielding Gas: 100% Ar

Base Materials to be welded

Butt and fillet welding of carbon steel for pressure vessels, tubes, ships, penstock and aluminum-killed steel for low temperature service.

Diameter / Packaging

Wire Diameter Packaging
1.2 (0.045) 5kg (11lbs) * 1000
1.6 (1/16) 5kg (11lbs) * 1000
2.0 (5/64) 5kg (11lbs) * 1000
2.4 (3/32) 5kg (11lbs) * 1000
3.2 (1/8) 5kg (11lbs) * 1000

Typical Chemical Composition of the Wire (wt%)

C Si Mn P S
0.08 0.86 1.47 0.011 0.018

Typical Mechanical Properties of All-Weld Meta

Yield Strength MPa(ksi) Tensile Strength MPa(ksi) Elongation (%) Temperature °C (°F) Impact Toughness J (ft·lbs)
470 (68) 560 (81) 29 -20 (0) 100 (74)

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