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Home » Product » EN spring steel » HOT ROLLED EN 50CrB3 SPRING STEEL FLAT BAR-German Steel Material Grade

HOT ROLLED EN 50CrB3 SPRING STEEL FLAT BAR-German Steel Material Grade

EN 50CrB3 SPRING STEEL FLAT BAR

EN 50CrB3 SPRING STEEL FLAT BAR requires higher strength and fatigue limit, usage in the condition of quenching + medium-temperature tempering, then it can get higher elastic limit. Process engineering of heat treatment is very important to inherent quality of spring steel.

EN 50CrB3 SPRING STEEL FLAT BAR requires higher strength and fatigue limit, usage in the condition of quenching + medium-temperature tempering, then it can get higher elastic limit. Process engineering of heat treatment is very important to inherent quality of spring steel.

 

Chemical composition

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

 

Available Size

Thickness: 5mm-115mm

width50mm-250mm

EN 50CrB3 SPRING STEEL FLAT BAR

 

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 460℃-520℃

 

Characteristics

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

 

Application

Large spring under heavy load and high stress condition, like large-section leaf spring and large- diameter sprial spring of automobile and tractors.

EN 50CrB3 SPRING STEEL FLAT BAR

 

Delivery Condition

Hot rolled, black surface

 

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