S30C Hot rolled steel bar, S30C Forged steel bar

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11-May-2024

S30C is under JISG 4051-79（94）standard. S30C features for its high strength and hardness, good weldability, toughness, machinability and so on.

Common diameter for hot rolled steel bar: 6mm to 85mm
Common diameter for forged steel bar: 80mm to 1200mm

Delivery condition for S30C steel bar:
Hot forged +Normalized+rough turned Q/T:Quench+ Temper Annealing
Tolerance for the steel bar:
Diameter tolerance: 0~3mm， Length tolerance：0~20mm
Straightness: 3mm/1000mm

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

S30C Chemical composition

Grade	C	Si	Mn	P	S	Cr	Ni	Cu
S30C	0.27～0.34	0.17～0.37	0.50～0.80	≤0.035	≤0.035	≤0.25	≤0.30	≤0.25

S30C Mechanical property

Grade	Tensile strength	Yield strength	Elongation	Impact value
Grade	σb (MPa) Min	σb (MPa) Min	δ5 (%)Min	Akv (J)Min
S30C	490	295	21	63

Application
Such as screw, pull rod, Axle key, rings, gear, sleeve, etc.; On the cutting performance is good, widely used in automatic machine processing of bolts, screws, etc.; S30C can be applied to manufacturing to cold upset forging parts and components; S30C can also be used for carburizing, etc.

KUNFENG Co.,ltd is professional in steel bar. We are a large stockist of steel bar in China. We have almost 750 ton steel bar of S30C in stock. The stock size ranges Φ80-700. The common length for S30C steel bar is 3000mm, 6000mm, 9000mm. 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.