JIS S55C steel plate

BEBON steel is JIS S55C steel supplier,we have much experience in manufacture JIS S55C steel, We could give the fastest delivery time on the base of our competitive price directly from our mill. if you need know steel grade feature,we can provide JIS S55C chemical composition and JIS S55C mechanical properties.

JISG4051 S55C steel Description
JISG4051 S55C steel is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished.

JISG4051 S55C steel Applications
Quenched and subsequently tempered steel for less exacting springs, shafts, bushings, crankshafts, etc.

The equivalent standards of S55C steel

S55C JIS G 4051 Number:1.0535	Comparision of steel grades
	EN 10083-2	C 55
	DIN 17200	C 55
	NFA 33-101	AF70-C 55
	UNI 7846	C 55
	BS 970	070 M 55
	UNE 36011	C 55 k
	SAE J 403-AISI	1055

Chemical Composition of S55C steel

Grade	C(%)min-max	Si(%)min-max	Mn(%)min-max	P(%)max	S(%)max	Cr(%)min-max
S55C	0.52-0.60	0.15-0.35	0.60-0.90	0.025	0.025	0.20-0.40

Mechanical Propertities of S55C steel

Grade	Condition	Yield Strength R° (Mpa)	Tensile Strength Rm (Mpa)	Elon- gation A5 (%)	Hardness HRC	Quenching Temperature (℃)	Benda- bility	Nominal Thickness,t 1.95mm≤t≤10.0mm
								Rolled	Annealed
S55C	Rolled Annealed Water-quenched Oil quenched	500 350	825 550 2510 2120	18 30	61 57	805 845	Min.reco-mmended Bending radius (≤90°)	3.0 ×t	1.0×t

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