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AISI 1040 Steel — Specifications & Listings

AISI

Medium carbon steel, widely used in machined parts

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeAISI 1040
StandardAISI
DescriptionMedium carbon steel, widely used in machined parts
ApplicationsShafts, gears, bolts, couplings, crankshafts
Equivalent / Similar Grades
Grade Standard Region
C40 DIN Germany
EN8 BS970 UK
S40C JIS Japan
IS1875 C40 IS India
Chemical Composition (%)
C Mn S P
0.37–0.44 0.60–0.90 ≤0.050 ≤0.040
Mechanical Properties
Tensile Strength 620–770 MPa
Yield Strength ≥415 MPa
Elongation ≥13%
Hardness 179–235 HB
Typical Available Sizes
Round Bar 10mm–250mm dia
Flat Bar 16×5mm–200×50mm
Hex Bar 13mm–100mm A/F
Sizes are indicative. Contact seller for exact availability.

Active AISI 1040 Listings on M-EX

AISI 1040 Round Bar
6.800 MT
View Listing
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