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IS 4432 20Ni7Mo2-S vs IS 1570 (Part 4) 07Cr4Mo6

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

IS 4432 20Ni7Mo2-S (IS 4432:1988) and IS 1570 (Part 4) 07Cr4Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 4432 20Ni7Mo2-S is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4432 20Ni7Mo2-S vs IS 1570 (Part 4) 07Cr4Mo6 is a 58.7% 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 IS 4432 20Ni7Mo2-S:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
58.7%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 4432 20Ni7Mo2-S IS 1570 (Part 4) 07Cr4Mo6
Standard IS 4432:1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 <=0.12
Si (%) 0.15-0.35 0.15-0.60
Mn (%) 0.40-0.65 0.40-0.70
Ni (%) 1.65-2.00 <=0.30
Mo (%) 0.20-0.30 0.45-0.65
S (%) 0.020-0.035 Not specified
P (%) <=0.035 Not specified
Cr (%) Not specified 0.70-1.10
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4432 20Ni7Mo2-S IS 1570 (Part 4) 07Cr4Mo6
Core Tensile Strength 800-1150 MPa (16 mm) / 700-1000 MPa (30 mm) / 650-950 MPa (63 mm) Not specified
Core Yield Strength >=550 MPa (16 mm) / >=500 MPa (30 mm) / >=450 MPa (63 mm) Not specified
Core Elongation >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm) Not specified
Core Reduction of Area >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm) Not specified
Hardness, annealed (A) <=217 HB Not specified
Typical Applications
IS 4432 20Ni7Mo2-S
Forgings and fabrication of case-hardened machine or automobile parts
IS 1570 (Part 4) 07Cr4Mo6
Not documented
Key Differences
Can IS 4432 20Ni7Mo2-S Be Substituted With IS 1570 (Part 4) 07Cr4Mo6?
IS 4432 20Ni7Mo2-S 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.
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IS 4432 20Ni7Mo2-S
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IS 1570 (Part 4) 07Cr4Mo6
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Frequently Asked Questions
What is the difference between IS 4432 20Ni7Mo2-S and IS 1570 (Part 4) 07Cr4Mo6?
IS 4432 20Ni7Mo2-S specifies S, P which are not specified for IS 1570 (Part 4) 07Cr4Mo6. IS 1570 (Part 4) 07Cr4Mo6 specifies Cr which is not specified for IS 4432 20Ni7Mo2-S.
Can IS 4432 20Ni7Mo2-S be substituted with IS 1570 (Part 4) 07Cr4Mo6?
IS 4432 20Ni7Mo2-S 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.