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ROYAL FLUX SS

AWS/ASME: Suitable for all stainless steel ER grades (ER308, ER308L, ER309L, ER316L, ER347, etc.)

ROYAL FLUX SS is a neutral fused flux specially designed for Submerged Arc Welding (SAW) of stainless steels with corresponding ER grade wires.

  • Provides bright, smooth, slag-free weld deposits.
  • Designed for austenitic and martensitic stainless steels.
  • Offers excellent corrosion resistance and low hydrogen levels.
  • Produces welds with superior mechanical properties and low oxygen content, improving corrosion resistance.
  • Suitable for single and multi-pass welding of stainless steels in critical applications.
  • Ideal for pressure vessels, chemical plants, pipelines, shipbuilding, and food industry equipment.
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Technical Data

Product Specifications

1. Typical Chemical Composition of Weld Metal

CCrNiMoMnSiS + P
ER308L (%)0.02 – 0.0419.0 – 21.09.0 – 11.0—1.0 – 2.00.30 – 0.65≤ 0.020
ER316L (%)0.02 – 0.0418.0 – 20.011.0 – 13.02.0 – 2.51.0 – 2.00.30 – 0.65≤ 0.020

2. Typical Mechanical Properties

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ -196 °C)
Typical ER308L Values550 – 650320 – 40030 – 4060 – 100
Typical ER316L Values550 – 650320 – 40030 – 4060 – 100

3. Recommended Welding Parameters — Stainless Steel SAW

Welding PositionCurrent (A)Voltage (V)PolarityFlux Consumption (kg/kg Wire)
Flat / Horizontal350 – 90028 – 38AC / DCEP0.9 – 1.1
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