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AISI 4140 vs IS 1570 (Part 4) 07Cr4Mo6

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

AISI 4140 and IS 1570 (Part 4) 07Cr4Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. AISI 4140 is defined under AISI, originating from United States, while IS 1570 (Part 4) 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, AISI 4140 vs IS 1570 (Part 4) 07Cr4Mo6 is a 64.7% 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 AISI 4140:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr6 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
64.7%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property AISI 4140 IS 1570 (Part 4) 07Cr4Mo6
Standard AISI IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.38–0.43 <=0.12
Mn (%) 0.75–1.00 0.40-0.70
Cr (%) 0.80–1.10 0.70-1.10
Mo (%) 0.15–0.25 0.45-0.65
Si (%) 0.15–0.35 0.15-0.60
S (%) ≤0.040 Not specified
P (%) ≤0.035 Not specified
Ni (%) Not specified <=0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property AISI 4140 IS 1570 (Part 4) 07Cr4Mo6
Condition Quenched & Tempered Not specified
Tensile Strength 850–1000 MPa Not specified
Yield Strength ≥680 MPa Not specified
Elongation ≥13% Not specified
Hardness 248–302 HB Not specified
Impact (Charpy) ≥54 J Not specified
Typical Applications
AISI 4140
Gears, shafts, dies, bolts, crankshafts, tooling
IS 1570 (Part 4) 07Cr4Mo6
Not documented
Key Differences
Can AISI 4140 Be Substituted With IS 1570 (Part 4) 07Cr4Mo6?
AISI 4140 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
AISI 4140
Round Bar → (3 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5800–7000 mm (228.35–275.59 in)
IS 1570 (Part 4) 07Cr4Mo6
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On M-EX Right Now
AISI 4140
3 active listings and RFQs →
IS 1570 (Part 4) 07Cr4Mo6
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Frequently Asked Questions
What is the difference between AISI 4140 and IS 1570 (Part 4) 07Cr4Mo6?
AISI 4140 specifies S, P which are not specified for IS 1570 (Part 4) 07Cr4Mo6. IS 1570 (Part 4) 07Cr4Mo6 specifies Ni which is not specified for AISI 4140.
Can AISI 4140 be substituted with IS 1570 (Part 4) 07Cr4Mo6?
AISI 4140 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.