Grade 4 Bolts and Nuts

Titanium Grade 4

Buy Grade 4 bolts, nuts and other fasteners from Boltport, an Indian manufacturer & supplier of Grade 4 bolting materials to ASTM B446, B564, F467, F468, UNS N06600, 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 Grade 4 bolts and nuts with standard and custom manufacturing to your specification. We covers Grade 4 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.

Grade 4 Bolting Material

Grade 4 Specifications

  • ASTM B446 / ASME SB446
  • ASTM B443 / ASME SB443
  • ASTM B564 / ASME SB564
  • ASTM F467 / F467M
  • ASTM F468 / F468M
  • AMS 5666
  • BS 3076
  • Alloy 600
  • UNS N06600
  • DIN / EN / Werkstoff No. 2.4856

Grade 4 Properties

Chemical Composition
Elements N C H Fe O Ti
Min % - - - - -
Balance
Max % 0.05 0.08 0.015 0.50 0.40
Mechanical Properties
Ultimate Tensile, ksi [MPa] Yield Strength at 0.2% Offset, ksi [MPa] Elongation %, min Reduction Of Area %, min
80 [550] 70 [483] 15 25
* Properties extracted from ASTM B 348 - 06a Material Specification
  • Grade 4 for Aerospace Industry
  • Grade 4 for Chemical Processing Industry
  • Grade 4 for Food and Beverage Processing Industry
  • Grade 4 for Marine and Offshore Industry
  • Grade 4 for Oil and Gas Industry
  • Grade 4 for Paper and Pulp Processing Industry
  • Grade 4 for Power Generation Industry
  • Grade 4 for Research and Development Projects
  • Grade 4 for Water Desalination Plants

Grade 4 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

Grade 4 Applications

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