316L-SCQ

UNS #S31603

316L-SCQ stainless is an austenitic stainless designed for use where extremely good surface finishes are required. A specially processed derivative of 316L stainless with similar corrosion resistance, machinability, weldability, and improved electropolishing characteristics, its sulfur content, which influences inclusion count, machinability, and weldability, can be customized between.005 to .015%. Useful where enhanced metal cleanness contributes to improve product quality and yields. For its improved internal cleanness and reduced inclusion content, carefully selected melt stock is utilized to restrict the occurrence of typical residual elements and melted by either air melting + Vacuum Arc Remelting (AOD+VAR) or Vacuum Induction Melting + Vacuum Arc Remelting (VIM+VAR), depending on the level of micro-cleanness required.

Type Analysis

  • Carbon (Maximum) 0.03
  • Phosphorus (Maximum) 0.045
  • Silicon (Maximum) 1
  • Nickel (Nominal) 10.00-14.00
  • Manganese (Maximum) 0.25-2.00
  • Sulfur (Maximum) 0.010-0.015
  • Chromium (Nominal) 16.00-18.00
  • Molybdenum (Nominal) 2.00-3.00
  • Iron (Nominal) Balance

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Applicable Specifications

  • AMS 5653
  • ASTM A276
  • ASTM A479
  • QQ-S-763
  • ASTM A182
  • ASTM A314
  • MIL-S-862

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