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Marine, Pipeline & Specialty Steel

Alloy Structural, Gear, Bearing & Tool Steel

Carbon and alloy structural steels, automotive gear steels, bearing steels and tool steels as round bar.

  • Carbon steel10 – 60, 25Mn, 65Mn (GB/T 699)
  • Alloy structural40Cr, 35CrMo, 42CrMo(A), 30CrMnSi(A), 20CrMnTi, 25Cr2MoVA, 38CrMoAl (GB/T 3077)
  • Gear steel (H-band)20CrMnTiH, 20CrMoH, 40CrH, 42CrMoH, 19CrNi5H, 20MnCr5 (GB/T 5216)

Technical datasheet available on request.

Specifications

Specifications of Alloy Structural, Gear, Bearing & Tool Steel
Carbon steel10 – 60, 25Mn, 65Mn (GB/T 699)
Alloy structural40Cr, 35CrMo, 42CrMo(A), 30CrMnSi(A), 20CrMnTi, 25Cr2MoVA, 38CrMoAl (GB/T 3077)
Gear steel (H-band)20CrMnTiH, 20CrMoH, 40CrH, 42CrMoH, 19CrNi5H, 20MnCr5 (GB/T 5216)
Bearing steelGCr15, GCr15SiMn (GB/T 18254)
Tool & spring steel5CrMnMo, 9SiCr, T10(A) (GB/T 1299); 60Si2Mn (GB/T 1222)
Size rangeRound bar Φ20 – 300 mm

Values are reference information compiled from supplier documentation. Final grade, standard, condition and test values are confirmed in the quotation and order documents.

Key selection parameters

  • Grade and standard
  • Diameter and tolerance
  • Hardenability band (H steels)
  • Heat-treatment condition
  • Ultrasonic testing level

Typical applications

  • Gears, shafts and fasteners
  • Bearings
  • Dies and tooling
  • Petroleum and cylinder components

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