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  • Boksburg North
  • Durban
  • Cape Town
ST-72

FIller Metal Breakdown

ST-72

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Classification

  • AWS A5.18/ASME SFA-5.18 ER70S-2
  • JIS Z 3316 YGT50
  • EN ISO 636-A-W2Ti

Approvals

CWB
✓

Features

  • Good performance in all position
  • One-side welding (tube)
  • Ar 100% gas

Application Areas

  • Pressure vessels
  • Shipbuilding

Base Materials to be welded

Welding process

  • GTAW
  • Current: DC –
  • Shielding Gas: 100% Ar

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
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 Ti
0.05 0.52 1.15 0.014 0.004 0.07

Typical Mechanical Properties of All-Weld Meta

Yield Strength MPa(ksi) Tensile Strength MPa(ksi) Elongation (%) Temperature °C (°F) Impact Toughness J (ft·lbs)
560 (81.2) 640 (92.8) 31 -30 / -50 155 / 60

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