HOT ROLLED JIS SUP10/ DIN 51CrV4 SPRING STEEL BAR

hot-rolled-jis-sup10-din-51crv4-spring-steel-bar

 HOT ROLLED JIS SUP10/ DIN 51CrV4 SPRING STEEL BAR

HOT ROLLED JIS SUP10/ DIN 51CrV4 SPRING STEEL BAR is a high-class spring steel with good mechanical properties and processing properties. The adding of vanadium decrease the superheated susceptivity and improve the strength and toughness.

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 HOT ROLLED JIS SUP10/ DIN 51CrV4 SPRING STEEL BAR is a high-class spring steel with good mechanical properties and processing properties. The adding of vanadium decrease the superheated susceptivity and improve the strength and toughness.

Similar Grades

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

 

Cr V
GB 50CrVA 0.46-0.54 0.17-0.37 0.50-0.80 ≤0.025 ≤0.025 0.80-1.00 0.10-0.20
JIS SUP10 0.47-0.55 0.15-0.35 0.65-0.95 ≤0.030 ≤0.030 0.80-1.10 0.15-0.25
DIN 51CrV4/1.8159 0.47-0.55 ≤0.40 0.70-1.00 ≤0.035 ≤0.035 0.90-1.20 0.10-0.20

 HOT ROLLED JIS SUP10/ DIN 51CrV4 SPRING STEEL BAR

Available Size

Hot rolled round bar: dia16mm-dia310mm

Hot rolled flat bar: thickness5mm-30mm, width50mm-130mm

Hot rolled square bar: 16mm*16mm-100mm*100mm

 

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 840℃-870℃, oil cooling

Tempering temperature: 470℃-540℃

Characteristics

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

Application

Leaf spring and spiral spring with large diameter, valve spring, injector spring and air cylinder expansion ring under 300℃.

 HOT ROLLED JIS SUP10/ DIN 51CrV4 SPRING STEEL BAR

Delivery Condition

Hot rolled, black surface/ bright surface with customers’ required heat treatment

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