FIller Metal Breakdown

SM-309

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Classification

  • AWS A5.9/ASME SFA-5.9 ER309
  • JIS Z 3321 YS309

Approvals

Features

  • Resistance to crack
  • High Efficiency
  • Excellent resistance to heat

Application Areas

  • Steel structures
  • Vehicles, machinery and bridges

Base Materials to be welded

Welding process

  • Welding Positions: 1G 2F 3G 4G
  • Polarity: DC +
  • Shielding Gas: Ar + 2% O2

Diameter / Packaging

Wire Diameter Current Packaging
1.2 (0.045) DC+ 150~260 Spool 12.5kg; Drum 250kg
Wire Diameter Current Packaging
1.2 (0.045) DC+ 150~260 Spool 12.5kg; Drum 250kg

Typical Chemical Composition of the Wire (wt%)

C Si Mn P S Cu Ni Cr Mo
0.05 0.32 1.7 13.3 23.7 0.15

Typical Mechanical Properties of All-Weld Meta

Shielding Gas Tensile Strength Elongation Temperature Impact Toughness
Ar + 2% O2 570 (83) 37 -60 75 (55)

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