SCM440 Hot rolled steel bar, SCM440 Forged steel bar

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11-May-2024

SCM440 Steel round bar under JIS G4053-2003 standard, and it is a king of pinion steel. SCM440 features good performance for heat treatment. The cutting process is good after do the normalizing treatment. Good quenching, can do quenching depth. SCM440 have the good processability under high temperature. As a SCM440 Steel round bar supplier, we have almost 750 ton steel bar of SCM440 stock,The common length for SCM440 steel bar is 3000 to 7000mm.

SCM440 Steel round bar Common size:
Common diameter for hot rolled steel bar: 6mm to 70mm
Common diameter for forged steel bar: 80mm to 1200mm

SCM440 Steel round bar Package: standard seaworthy packing or as customer required

SCM440 Steel round bar Tolerance:
Diameter tolerance: 0~3mm， Length tolerance：0~20mm
Straightness: 3mm/1000mm

SCM440 Steel round bar Delivery condition:
Hot forged +Normalized+rough turned Q/T:Quench+ Temper Annealing

EAF ARC FURNACE + LF REFINING+ VD + FORGING (DOUBLE) + FIXED LENGTH + SEP1921C/c TESTING

SCM440 Steel round bar Chemical composition

Grade	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
SCM440	0.38-0.42	0.15-0.35	0.60-0.85	≤0.030	≤0.035	0.90～1.20	≤0.25	≤0.25	0.15-0.30

SCM440 Steel round bar Mechanical property:

Tensile strength	Yield strength	Elongation	Impact value
σb (MPa) Min	σb (MPa) Min	δ5 (%)Min	Akv (J)Min
≥1080	≥930(95)	≥12	≥63

KUNFENG Co.,ltd is professional in steel bar. We are a large stockist of steel bar in China. We have almost 750 tons SCM440 Steel round bar in stock. The stock size ranges from Φ80 to Φ700. The common length for SCM440 steel bar is 3000 to 7000mm. And the price is competitive. If your size can be picked in our warehouse, we can transport the products to the loading port in 3 days. So please be free to contact us if you require steel bar.