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NiMark® T-250

UNS #K92150

NiMark® Alloy T-250 is a Titanium Strengthened 18% Nickel Maraging Steel designed to achieve ultra-high strength (250 KSI Ultimate Tensile Strength) and toughness of NiMark® Alloy 250 (Cobalt Strengthened 18% Nickel Maraging Steel).  NiMark Alloy T-250 contains no Cobalt and less Molybdenum than NiMark Alloy 250 to reduce raw material cost without sacrificing mechanical strength or toughness.

Type Analysis

  • Carbon (Maximum) 0.03
  • Phosphorus (Maximum) 0.01
  • Silicon (Maximum) 0.1
  • Nickel (Nominal) 18.5
  • Titanium (Nominal) 0.4
  • Manganese (Maximum) 0.1
  • Sulfur (Maximum) 0.01
  • Cobalt (Nominal) 7.5
  • Molybdenum (Nominal) 4.85
  • Iron (Nominal) Balance
  • Calcium (Nominal) 0.05
  • Aluminum (Nominal) 0.1
  • Boron (Nominal) 0.003
  • Zirconium (Nominal) 0.03

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Applications

Applicable Specifications

  • AMS 6519
  • MIL-S-47319A

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Rounds

Billet

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