Trinamet®

UNS #S42030

Trinamet® is a hardenable martensitic stainless steel with a combination of cold formability, corrosion resistance, and high heat treated hardness. It combines improved corrosion resistance over 410 stainless with a hardness up to 53 HRC and improved formability over 17Cr-4Ni. It can be hot worked, cold worked, machined and heat treated using similar equipment and methods used for 410 stainless steel.

Type Analysis

  • Carbon (Maximum) 0.3
  • Phosphorus (Maximum) 0.04
  • Silicon (Maximum) 1
  • Manganese (Maximum) 1
  • Sulfur (Maximum) 0.03
  • Chromium (Nominal) 12.00-14.00
  • Molybdenum (Nominal) 1.00-3.00
  • Iron (Nominal) Balance
  • Copper (Nominal) 2.00-3.00

Applications

sheet metal screws, self-drilling construction fasteners, and other various bolts and fasteners exposed to atmospheric conditions.

Applicable Specifications

Bar

Rod

Strip

Wire

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