Tool Steel S7 Bolts and Nuts

Tool Steel S7

Buy Tool Steel S7 bolts, nuts and other fasteners from Boltport, an Indian manufacturer and supplier of Tool Steel S7 bolting materials to ASTM B446, B564, F467, F468, UNS N06S7, DIN EN 2.4856, AMS 5666 and BS 3076 specifications with properties adequate for high strength, corrosion resistant and high temperature applications up to 1000º C (1800º F).

Boltport fasteners offer Tool Steel S7 bolts and nuts with standard and custom manufacturing to your specification. We covers Tool Steel S7 hex bolts, studs, stud bolts, hex nuts, washers, threaded rod and other fastener in metric and inch sizes with coarse, fine and extra fine threads to ASME, UN, BS, ISO and DIN standards.

Tool Steel S7 Bolting Material

Tool Steel S7 Specifications

  • ASTM B446 / ASME SB446
  • ASTM B443 / ASME SB443
  • ASTM B564 / ASME SB564
  • ASTM F467 / F467M
  • ASTM F468 / F468M
  • AMS 5666
  • BS 3076
  • S7
  • UNS N06S7
  • DIN / EN / Werkstoff No. 2.4856

Tool Steel S7 Properties

Chemical Composition
Elements Ni Cr Mo Fe Nb + Tc Co Mn Si Al Ti C P S
Min % - S7.0 8.0 - 3.15 8.0 - - - - - - -
Max % Bal 23.0 10.0 5.0 4.15 1.0 0.5 0.5 0.4 0.40 0.10 0.015 0.015
Mechanical Properties
Temperature (°F) Ultimate Tensile (ksi) Yield Strength at 0.2% Offset(ksi) Elongation %
Room Temp. 144.0 84.0 44.0
400 134.0 66.0 45.0
S7 132.0 63.0 42.5
800 132.0 61.0 45.0
1000 130.0 61.0 48.0
1S70 119.0 60.0 34.0
1400 78.0 59.0 59.0
1S7 40.0 39.0 117.0
  • Tool Steel S7 for Aerospace Industry
  • Tool Steel S7 for Chemical Processing Industry
  • Tool Steel S7 for Food and Beverage Processing Industry
  • Tool Steel S7 for Marine and Offshore Industry
  • Tool Steel S7 for Oil and Gas Industry
  • Tool Steel S7 for Paper and Pulp Processing Industry
  • Tool Steel S7 for Power Generation Industry
  • Tool Steel S7 for Research and Development Projects
  • Tool Steel S7 for Water Desalination Plants

Tool Steel S7 Characteristics

  • Excellent resistance to chloride pitting and crevice corrosion cracking
  • Immune to Chloride ion stress corrosion
  • Maintains high strength at elevated temperatures
  • Resistant to sea water, in both flowing and stagnant condition
  • Heat resistant

Tool Steel S7 Applications

  • Marine engineering
  • Furnaces & gas turbines
  • Chemical processing plants
  • Boiler & pressure vessels
  • Nuclear power plants