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NFA 33-101 AF70-C55 steel plate

NFA 33-101 AF70-C55 steel plate

NFA 33-101 AF70-C55 steel plate high carbon steel
AF70-C55 steel plate, NFA 33-101 AF70-C55  steel plate, under NFA 33-101 standard, we can regard AF70-C55 steel plate as high carbon steel.
AF70-C55 steel plate is one mainly of high carbon steel,NFA 33-101 AF70-C55 steel plate is a medium carbon steel which is used when greater strength and hardness is desired than in the "as rolled"condition.Extreme size accuracy,straightness and concentricity combined to minimize wear in high speed applications.Turned,ground and polished.TheAF70-C55 steel is applied in quenched and subsequently tempered steel for less 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

AF70-C55 steel Chemical Composition

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

AF70-C55 steel Mechanical Properties

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

we are AF70-C55 steel suppliers ,also can supply AF55-C35 steel,AF60 C45 steel,AF65 C45 steel,please contact us.


Bebon International is a professional NFA 33-101 AF70-C55 steel exporter and a steel Stockist in china. We keep more than 1000 tons NFA 33-101 AF70-C55 steel in stock every month. If you want to get the NFA 33-101 AF70-C55 steel price, please do not hesitate to contact us. Any need in NFA 33-101 AF70-C55 Chemical Composition and Mechanical Properties, please feel free to contact us by email or calling to us.
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