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JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR

JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR

JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR

JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR is high-silicon grade especially designed for its spring properties.

JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR is high-silicon grade especially designed for its spring properties.

Similar Grades

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

 

Cr Ni
GB 60Si2Mn 0.56-0.64 1.50-2.00 0.70-1.00 ≤0.035 ≤0.035 ≤0.35 ≤0.35
JIS SUP7 0.56-0.64 1.80-2.20 0.70-1.10 ≤0.030 ≤0.030
AISI 9260 0.56-0.64 1.80-2.20 0.75-1.00 ≤0.035 ≤0.040

JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR

Available Size

Cold drawn round bar: dia4mm-dia100mm

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 490℃-540℃

Characteristics

  1. High strength.
  2. High hardenability.

Application

Leaf and truncated conical springs for automotive and general engineering

JIS SUP7 COLD DRAWN SPRING STEEL ROUND BAR

Delivery Condition

Cold drawn