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IS 4432 20Mn5Cr5-S vs EN 10084 20MnCrS5

Strong Match — 96.1% match based on chemical composition and mechanical property overlap.

IS 4432 20Mn5Cr5-S (IS 4432:1988) and EN 10084 20MnCrS5 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. IS 4432 20Mn5Cr5-S is typically used for forgings and fabrication of case-hardened machine or automobile parts, while EN 10084 20MnCrS5 is commonly used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1). IS 4432 20Mn5Cr5-S is defined under Bureau of Indian Standards (IS), originating from India, while EN 10084 20MnCrS5 is defined under European Standard (EN), originating from Europe.

As per chemical composition, IS 4432 20Mn5Cr5-S vs EN 10084 20MnCrS5 is a 94.2% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 96.1%.

Frequently Compared With IS 4432 20Mn5Cr5-S:
IS 1570 (Part 4) 103Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 12Cr2Mo5V2H
Match Breakdown
CHEMISTRY MATCH
94.2%
MECHANICAL MATCH
100%
OVERALL
96.1%
Specifications
Property IS 4432 20Mn5Cr5-S EN 10084 20MnCrS5
Standard IS 4432:1988 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 0.17-0.22
Si (%) 0.15-0.35 <=0.40
Mn (%) 1.00-1.40 1.10-1.40
Cr (%) 1.00-1.30 1.00-1.30
S (%) 0.020-0.035 0.020-0.040
P (%) <=0.035 <=0.025
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 20Mn5Cr5-S EN 10084 20MnCrS5
Core Tensile Strength 1000-1300 MPa (16 mm) / 1000-1300 MPa (30 mm) / 800-1100 MPa (63 mm) Not specified
Core Yield Strength >=750 MPa (16 mm) / >=700 MPa (30 mm) / >=550 MPa (63 mm) Not specified
Core Elongation >=7% (16 mm) / >=8% (30 mm) / >=10% (63 mm) Not specified
Core Reduction of Area >=25% (16 mm) / >=30% (30 mm) / >=35% (63 mm) Not specified
Hardness, annealed (A) <=217 HB Not specified
Condition Not specified Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 41 to 49 HRC
Hardness Not specified Soft annealed: 217 HB max
Typical Applications
IS 4432 20Mn5Cr5-S
Forgings and fabrication of case-hardened machine or automobile parts
EN 10084 20MnCrS5
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Can IS 4432 20Mn5Cr5-S Be Substituted With EN 10084 20MnCrS5?
IS 4432 20Mn5Cr5-S and EN 10084 20MnCrS5 overlap closely enough on chemistry and mechanical properties that EN 10084 20MnCrS5 is often considered as a substitute for IS 4432 20Mn5Cr5-S in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 4432 20Mn5Cr5-S
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EN 10084 20MnCrS5
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Frequently Asked Questions
What is the difference between IS 4432 20Mn5Cr5-S and EN 10084 20MnCrS5?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4432 20Mn5Cr5-S be substituted with EN 10084 20MnCrS5?
IS 4432 20Mn5Cr5-S and EN 10084 20MnCrS5 overlap closely enough on chemistry and mechanical properties that EN 10084 20MnCrS5 is often considered as a substitute for IS 4432 20Mn5Cr5-S in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.