BS 970 070 M46 steel Description
BS 970 070 M46 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.
BS 970 070 M46 steel Applications
Quenched and subsequently tempered steel for screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc
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070 M 46 BS 970 Number:1.0503 | Comparision of steel grades | |
JIS G 4051 | S 45 C | |
DIN 17200 | C 45 | |
NFA 33-101 | AF65-C 45 | |
UNI 7846 | C 45 | |
BS 970 | 070 M 46 | |
UNE 36011 | C 45 k | |
SAE J 403-AISI | 1042/1045 |
Chemical Composition of EN C45 steel
Grade | C(%)min-max | Si(%)min-max | Mn(%)min-max | P(%)max | S(%)max | Cr(%)min-max |
070 M 46 | 0.42-0.50 | 0.15-0.35 | 0.50-0.80 | 0.025 | 0.025 | 0.20-0.40 |
Mechanical Properties of EN C45 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 | ||||||||
070 M 46 | Rolled Annealed Water-quenched Oil quenched | 460 330 | 750 540 2270 1980 | 18 30 | 58 55 | 820 860 | Min.reco-mmended Bending radius (≤90°) | 2.0 ×t | 1.0×t |
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