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IS 4432 20Ni2Cr2Mo2-S vs IS 1570 (Part 4) 103Cr6

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

IS 4432 20Ni2Cr2Mo2-S (IS 4432:1988) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 4432 20Ni2Cr2Mo2-S is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4432 20Ni2Cr2Mo2-S vs IS 1570 (Part 4) 103Cr6 is a 56% 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 20Ni2Cr2Mo2-S:
IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H
Match Breakdown
CHEMISTRY MATCH
56%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 4432 20Ni2Cr2Mo2-S IS 1570 (Part 4) 103Cr6
Standard IS 4432:1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.95-1.10
Si (%) 0.15-0.35 0.10-0.35
Mn (%) 0.70-0.90 0.25-0.45
Ni (%) 0.40-0.70 Not specified
Cr (%) 0.40-0.60 1.40-1.60
Mo (%) 0.15-0.25 Not specified
S (%) 0.020-0.035 Not specified
P (%) <=0.035 Not specified
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 20Ni2Cr2Mo2-S IS 1570 (Part 4) 103Cr6
Core Tensile Strength 850-1200 MPa (16 mm) / 800-1150 MPa (30 mm) / 750-1050 MPa (63 mm) Not specified
Core Yield Strength >=600 MPa (16 mm) / >=550 MPa (30 mm) / >=520 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 20Ni2Cr2Mo2-S
Forgings and fabrication of case-hardened machine or automobile parts
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can IS 4432 20Ni2Cr2Mo2-S Be Substituted With IS 1570 (Part 4) 103Cr6?
IS 4432 20Ni2Cr2Mo2-S and IS 1570 (Part 4) 103Cr6 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.
On M-EX Right Now
IS 4432 20Ni2Cr2Mo2-S
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IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between IS 4432 20Ni2Cr2Mo2-S and IS 1570 (Part 4) 103Cr6?
IS 4432 20Ni2Cr2Mo2-S specifies Ni, Mo, S, P which are not specified for IS 1570 (Part 4) 103Cr6.
Can IS 4432 20Ni2Cr2Mo2-S be substituted with IS 1570 (Part 4) 103Cr6?
IS 4432 20Ni2Cr2Mo2-S and IS 1570 (Part 4) 103Cr6 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.