SAE 9254 Spring Steel
CHEMICAL COMPOSITION (Typical Analysis in %)
|0.51-0.59||1.20-1.60||0.60-0.80||0.035 max||0.040 max||0.60-0.80|
SAE 9254 spring steel is alloyed, quenched and tempered steel for production of springs with smaller sag tendency, especially of high-stressed automotive suspension springs, produced by cold and hot forming.
|Hot Forming and Heat Treatment|
|Hot forming to springs||940-840°C|
|Normalising||850-880°C / Air|
|Soft Annealing||640-680°C / Furnace|
|Hardening||Min 840 / Oil°C|
|Treated for cold shearability (+S)||max. 280HB|
|Soft Annealed (+A)||max. 248HB|
|Spheroidized Annealed (+AC)||max. 230HB|
|Hardened and Tempered (+qt), Tempering Temperature 375-500°C|
|0,2% proof stress Rp0,2 [N/mm²] min.||1300|
|Tensile Strength Rm [N/mm²]||1450-2050|
|Fracture Elongation A5 [%]||min 6|
|Reduction of Area Z [%]||min 25|
|Notch Impact Energy ISO-V [J]||min 8|
WIRE ROD – ROUND – AS ROLLED -8 MM to 32 MM DIA (If required we can also supply in spheroidize annealed condition.)
ROUND BARS – We can provide round bar sizes up to 90mm if required by customer against advanced orders.
We keep the materials from Europe and India.