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Home » Spring steel » Hot Rolled JIS SUP11A Spring Steel Flat Bar

Hot Rolled JIS SUP11A Spring Steel Flat Bar

IMG_2521

Thickness: 5mm-115mm
width50mm-250mm
Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 460℃-520℃

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Hot Rolled JIS SUP11A Spring Steel Flat Bar

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SUP11A Spring Steel Flat Bar Similar Grades

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

 

SUP11A Spring Steel Flat Bar Available Size

Thickness: 5mm-115mm, width50mm-250mm

SUP11A Spring Steel Flat Bar Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 460℃-520℃

SUP11A Spring Steel Flat Bar Characteristics

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

SUP11A 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.

SUP11A Spring Steel Flat Bar Delivery Condition

Hot rolled, black surface

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