JIS SUP10/ DIN 51CrV4 FORGED SPRING STEEL BAR

jis-sup10-din-51crv4-forged-spring-steel-bar

JIS SUP10/ DIN 51CrV4 FORGED SPRING STEEL BAR

JIS SUP10/ DIN 51CrV4 FORGED 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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JIS SUP10/ DIN 51CrV4 FORGED 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

 

Available Size

Forged steel round bar: dia100mm-dia1500mm

Forged flat bar: thickness20mm-400mm, width80mm-1000mm

Forged steel block: 100mm*100mm-1000mm*1000mm

JIS SUP10/ DIN 51CrV4 FORGED SPRING STEEL BAR

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℃.

JIS SUP10/ DIN 51CrV4 FORGED SPRING STEEL BAR

Delivery Condition

Forged, black surface/ turned surface with customers’ required heat treatment

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