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GOST 4543 40X Steel — Specifications & Listings

GOST 4543Chromium alloy structural steel with good hardenability, strength and wear resistance after heat treatment. Commonly used for stressed machine parts.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGOST 4543 40X
StandardGOST 4543
DescriptionChromium alloy structural steel with good hardenability, strength and wear resistance after heat treatment. Commonly used for stressed machine parts.
Applicationsgears, shafts, axles, spindles, studs, automotive components
Equivalent / Similar Grades
Grade Standard Region
41Cr4 DIN EN 10083 Germany
AISI 5140 AISI USA
SCr440 JIS Japan
40Cr GB China
GB/T 3077 40Cr GB/T 3077 China
Chemical Composition (%)
C Si Mn S P Cr Ni Cu
0.36-0.44 0.17-0.37 0.50-0.80 <=0.035 <=0.035 0.80-1.10 <=0.30 <=0.30
Mechanical Properties
tensile_strength 980-1180 MPa
yield_strength >=785 MPa
elongation >=10%
hardness 229-285 HB
Typical Available Sizes
Round Bar 16-350 mm dia
Flat Bar 20-250 mm width
Sizes are indicative. Contact seller for exact availability.

Active GOST 4543 40X Listings on M-EX

GOST 4543 40X Round Bar
2.800 MT
View Listing
GOST 4543 40X Round Bar
3.700 MT
View Listing
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