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Home » Product » GB spring steel » HOT ROLLED GB 60CrMoBA SPRING STEEL FLAT BAR-Chinese Steel Material Grade

HOT ROLLED GB 60CrMoBA SPRING STEEL FLAT BAR-Chinese Steel Material Grade

GB 60CrMoBA SPRING STEEL FLAT BAR

GB 60CrMoBA SPRING STEEL FLAT BAR have excellent combination property, such as mechanical property (limit of elasticity, ultimate strength, yield ratio), relaxation resistant, fatigue property, hardenability, physical and chemical property (heat resistance,low temperature resistant, antioxidation, corrosion resistance).

GB 60CrMoBA SPRING STEEL FLAT BAR have excellent combination property, such as mechanical property (limit of elasticity, ultimate strength, yield ratio), relaxation resistant, fatigue property, hardenability, physical and chemical property (heat resistance,low temperature resistant, antioxidation, corrosion resistance).

 

Chemical composition

Standard Grade Chemical composition (%)
C Si Mn P S

 

Cr Ni
JIS SUP11A 0.56-0.64 0.15-0.35 0.70-1.00 ≤0.030 ≤0.030 0.70-1.00

GB 60CrMoBA SPRING STEEL FLAT BAR

 

Available Size

Thickness: 5mm-115mm

width50mm-250mm

 

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 460℃-520℃

 

Characteristics

  1. High strength.
  2. High hardenability.
  3. High plasticity and toughness.

GB 60CrMoBA SPRING STEEL FLAT BAR

 

Application

Large spring under heavy load and high stress condition, like large-section leaf spring and large- diameter sprial spring of automobile and tractors.

 

Delivery Condition

Hot rolled, black surface

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