33-101 AF70-C55 steel plate

BEBON steel is 33-101 AF70-C55 steel supplier,we have much experience in manufacture 33-101 AF70-C55 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 33-101 AF70-C55 chemical composition and 33-101 AF70-C55 mechanical properties.

NFA 33-101 AF70-C55 steel Description
NFA 33-101 AF70-C55 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.

NFA 33-101 AF70-C55 steel Applications
Quenched and subsequently tempered steel for less exacting springs, shafts, bushings, crankshafts, etc.

exacting springs,shafts,bushings,crankshafts,etc.

AF70-C55 NFA 33-101 Number:1.0535	Comparision of steel grades
	JIS G 4051	S 55 C
	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 C55

Grade	C(%)min-max	Si(%)min-max	Mn(%)min-max	P(%)max	S(%)max	Cr(%)min-max
AF70-C55	0.52-0.60	0.15-0.35	0.60-0.90	0.025	0.025	0.20-0.40

Mechanical Properties of C55

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
AF70-C55	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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