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IS 4432 16Mn5Cr4-S vs IS 1570 (Part 4) 103Cr4

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 4432 16Mn5Cr4-S (IS 4432:1988) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 4432 16Mn5Cr4-S is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4432 16Mn5Cr4-S vs IS 1570 (Part 4) 103Cr4 is a 77.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 4432 16Mn5Cr4-S:
NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
77.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 4432 16Mn5Cr4-S IS 1570 (Part 4) 103Cr4
Standard IS 4432:1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.95-1.10
Si (%) 0.15-0.35 0.10-0.35
Mn (%) 1.00-1.30 0.25-0.45
Cr (%) 0.80-1.10 0.90-1.20
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 16Mn5Cr4-S IS 1570 (Part 4) 103Cr4
Core Tensile Strength 850-1100 MPa (16 mm) / 800-1050 MPa (30 mm) / 650-950 MPa (63 mm) Not specified
Core Yield Strength >=620 MPa (16 mm) / >=600 MPa (30 mm) / >=450 MPa (63 mm) Not specified
Core Elongation >=9% (16 mm) / >=10% (30 mm) / >=11% (63 mm) Not specified
Core Reduction of Area >=30% (16 mm) / >=40% (30 mm) / >=40% (63 mm) Not specified
Hardness, annealed (A) <=207 HB Not specified
Typical Applications
IS 4432 16Mn5Cr4-S
Forgings and fabrication of case-hardened machine or automobile parts
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can IS 4432 16Mn5Cr4-S Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 4432 16Mn5Cr4-S and IS 1570 (Part 4) 103Cr4 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 16Mn5Cr4-S
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IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between IS 4432 16Mn5Cr4-S and IS 1570 (Part 4) 103Cr4?
IS 4432 16Mn5Cr4-S specifies S, P which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 4432 16Mn5Cr4-S be substituted with IS 1570 (Part 4) 103Cr4?
IS 4432 16Mn5Cr4-S and IS 1570 (Part 4) 103Cr4 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.