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QuMed4316 Rod – Stainless Laser Welding Wire 1.4316 / ER308LSi (19 9 L Si)

QuMed4316 Rod – Stainless Laser Welding Wire 1.4316 / ER308LSi (19 9 L Si)

QuMed4316 is the standard austenite for the classic 18/8 CrNi steels: EN ISO 14343-A G/W 19 9 L Si · AWS SFA-5.9 ER308LSi (filler material no.: 1.4316). The L stands for low carbon (C 0.02 %), the Si for the raised silicon content that improves the flow of the seam.

The low carbon content is the key: it prevents chromium carbides forming at the grain boundaries and thus makes the weld metal resistant to intercrystalline corrosion. On top of that comes cryogenic toughness down to −196 °C.

Recommended base materials

  • 1.4301, 1.4306, 1.4311 — the classic 18/8 CrNi(N) steels
  • 1.4319, 1.4541, 1.4550, 1.4551, 1.4552 — stabilised variants
  • Cryogenic austenitic CrNi steels and cast steel

Typical applications

  • Components and devices in medical technology
  • Food industry — vessels, pipes, fittings
  • Oil, soap, synthetic fibre, film and photographic industries
  • Corrosion-resistant build-ups (wet corrosion up to 350 °C)
  • Cryogenic components down to −196 °C

Properties and advantages

  • Resistant to intercrystalline corrosion thanks to low carbon content (C 0.02 %)
  • Cryogenic to −196 °C, stainless
  • Raised Si content for better seam flow and clean seam edges
  • Weld metal: Re 315 MPa · Rm 540 MPa · A 35 %

Rod form advantage: Ideal for manual build-up welding with constant wire feed — also in hard-to-reach areas.

Rod form: Rod lengths 1000 mm and 333 mm, Ø 0,2 mm – 0,8 mm.

Material analysis (wt.-%)
C 0.02 | Si 0.85 | Mn 1.75 | Cr 19.0 | Ni 9.5 | Fe balance

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Diameter: 0,2 mm, 0,3 mm, 0,4 mm, 0,5 mm, 0,6 mm, 0,8 mm
Recommendations for basis material: 1.4301, 1.4306, 1.4311, 1.4319, 1.4541, 1.4550, 1.4551, 1.4552
Rod length: 333 mm, 1000 mm
Wire: Dental & medical wire, Laser welding wire
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