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JIS G4051 S40C Steel — Specifications & Listings

JIS G4051Japanese medium carbon steel, widely used

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeJIS G4051 S40C
StandardJIS G4051
DescriptionJapanese medium carbon steel, widely used
ApplicationsShafts, gears, bolts, couplings, machine parts
Equivalent / Similar Grades
Grade Standard Region
C40 DIN Germany
EN8 BS970 UK
AISI 1040 SAE USA
IS1875 C40 IS India
Chemical Composition (%)
C Si Mn S P
0.37–0.43 0.15–0.35 0.60–0.90 ≤0.035 ≤0.030
Mechanical Properties
Tensile Strength ≥570 MPa
Yield Strength ≥390 MPa
Elongation ≥17%
Hardness ≤179 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 JIS G4051 S40C Listings on M-EX

JIS G4051 S40C Round Bar
4.100 MT
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JIS G4051 S40C Round Bar
3.200 MT
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JIS G4051 S40C Round Bar
4.300 MT
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