080M40 Steel — Specifications & Listings

BS970:1991 — British medium carbon steel, successor to EN8

Category: Carbon Steel
Grade Details
Grade080M40
StandardBS970:1991
DescriptionBritish medium carbon steel, successor to EN8
ApplicationsShafts, gears, axles, general engineering
Equivalent / Similar Grades
Grade Standard Region
EN8 BS970:1955 UK
C40 DIN Germany
AISI 1040 SAE USA
Chemical Composition (%)
C Mn Si S P
0.36–0.44 0.60–1.00 0.10–0.40 ≤0.050 ≤0.050
Mechanical Properties
Tensile Strength 550–700 MPa
Yield Strength ≥275 MPa
Elongation ≥16%
Hardness 152–207 HB
Typical Available Sizes
Round Bar 10mm–250mm dia
Flat Bar 16×5mm–200×50mm
Sizes are indicative. Contact seller for exact availability.

Active 080M40 Listings on M-EX

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