Alloy 20 Stainless Steel

stainless alloy 20 rod or bar

Alloy 20 stainless steel is a super-austenitic stainless alloy developed for maximum resistance to corrosion by sulfuric acid and other aggressive environments not suitable for typical austentic grades.

Standards

  • UNS N08020
  • ASTM B473

Applications

  • Control Valves
  • Pressure Relief Valves
  • Centrifugal Pumps

Composition(%)

  • Carbon 0.070 Max
  • Chromium 19.0-21.0
  • Copper 3.0-4.0
  • Iron 29.85-44.0
  • Manganese 2.0 Max
  • Molybdenum 2.0-3.0
  • Nickel 32.0-38.0
  • Phosphorus 0.0450 Max
  • Silicon 1.00 Max
  • Sulfur 0.0350 Max

Mechanical Properties

Material Type Condition Ultimate Tensile Strength (PSI) 0.2% Yield Strength (PSI) Elongation (% In 2in.) Reduction Of Area (%) Hardness Brinell Hardness Rockwell
Alloy 20 Annealed 80,000 35,000 30 50 160 *

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