HOT ROLLED JIS SUP9/ DIN55Cr3 SPRING STEEL BAR

hot-rolled-jis-sup9-din55cr3-spring-steel-bar

HOT ROLLED JIS SUP9/ DIN55Cr3 SPRING STEEL BAR

HOT ROLLED JIS SUP9/ DIN55Cr3 SPRING STEEL BAR is a kind of spring steel grade with high strength, plasticity and toughness.

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HOT ROLLED JIS SUP9/ DIN55Cr3 SPRING STEEL BAR is a kind of spring steel grade with high strength, plasticity and toughness.

Similar Grades

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

 

Cr Ni
GB 55CrMnA 0.52-0.60 0.17-0.37 0.65-0.95 ≤0.025 ≤0.025 0.65-0.95 ≤0.35
JIS SUP9 0.52-0.60 0.15-0.35 0.65-0.95 ≤0.030 ≤0.030 0.65-0.95
DIN 55Cr3/1.7176 0.52-0.59 ≤0.40 0.70-1.00 ≤0.025 ≤0.025 0.70-1.00

 

Available Size

Hot rolled round bar: dia16mm-dia310mm

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

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

HOT ROLLED JIS SUP9/ DIN55Cr3 SPRING STEEL BAR

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 460℃-510℃

Characteristics

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

Application

Leaf spring and spiral spring with large diameter.

HOT ROLLED JIS SUP9/ DIN55Cr3 SPRING STEEL BAR

Delivery Condition

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

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