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GOST 4543 40X vs IS 1570 (Part 4) 07Cr4Mo6

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GOST 4543 40X (GOST 4543-2016) and IS 1570 (Part 4) 07Cr4Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 07Cr4Mo6 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 4543 40X vs IS 1570 (Part 4) 07Cr4Mo6 is a 70.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 4543 40X:
GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
70.6%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property GOST 4543 40X IS 1570 (Part 4) 07Cr4Mo6
Standard GOST 4543-2016 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.36-0.44 <=0.12
Si (%) 0.17-0.37 0.15-0.60
Mn (%) 0.50-0.80 0.40-0.70
S (%) <=0.035 Not specified
P (%) <=0.035 Not specified
Cr (%) 0.80-1.10 0.70-1.10
Ni (%) <=0.30 <=0.30
Cu (%) <=0.30 Not specified
Mo (%) Not specified 0.45-0.65
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 4543 40X IS 1570 (Part 4) 07Cr4Mo6
Tensile Strength 980-1180 MPa Not specified
Yield Strength >=785 MPa Not specified
Elongation >=10% Not specified
Hardness 229-285 HB Not specified
Typical Applications
GOST 4543 40X
gears, shafts, axles, spindles, studs, automotive components
IS 1570 (Part 4) 07Cr4Mo6
Not documented
Key Differences
Can GOST 4543 40X Be Substituted With IS 1570 (Part 4) 07Cr4Mo6?
GOST 4543 40X and IS 1570 (Part 4) 07Cr4Mo6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
GOST 4543 40X
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–6000 mm (200.79–236.22 in)
IS 1570 (Part 4) 07Cr4Mo6
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On M-EX Right Now
GOST 4543 40X
2 active listings and RFQs →
IS 1570 (Part 4) 07Cr4Mo6
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Frequently Asked Questions
What is the difference between GOST 4543 40X and IS 1570 (Part 4) 07Cr4Mo6?
GOST 4543 40X specifies S, P, Cu which are not specified for IS 1570 (Part 4) 07Cr4Mo6. IS 1570 (Part 4) 07Cr4Mo6 specifies Mo which is not specified for GOST 4543 40X.
Can GOST 4543 40X be substituted with IS 1570 (Part 4) 07Cr4Mo6?
GOST 4543 40X and IS 1570 (Part 4) 07Cr4Mo6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.