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IS 4367 20Mn5Cr5 vs EN 10084 28CrS4

Close Alternative — 84.5% match based on chemical composition and mechanical property overlap.

IS 4367 20Mn5Cr5 (IS 4367:1991) and EN 10084 28CrS4 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. IS 4367 20Mn5Cr5 is defined under Bureau of Indian Standards (IS), originating from India, while EN 10084 28CrS4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, IS 4367 20Mn5Cr5 vs EN 10084 28CrS4 is a 76.7% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 84.5%.

Frequently Compared With IS 4367 20Mn5Cr5:
NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 12Cr2Mo5V2H
Match Breakdown
CHEMISTRY MATCH
76.7%
MECHANICAL MATCH
100%
OVERALL
84.5%
Specifications
Property IS 4367 20Mn5Cr5 EN 10084 28CrS4
Standard IS 4367:1991 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.18-0.22 0.24-0.31
Si (%) 0.10-0.35 <=0.40
Mn (%) 1.00-1.40 0.60-0.90
Cr (%) 1.00-1.30 0.90-1.20
S (%) <=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 4367 20Mn5Cr5 EN 10084 28CrS4
Tensile Strength 1000 MPa min Not specified
Elongation >=8% Not specified
Izod Impact 38 J min Not specified
Hardness (soft annealed) <=217 HB Not specified
Condition Refined, quenched and stress relieved (core properties), ruling section up to 30 mm Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 45 to 53 HRC
Hardness Not specified Soft annealed: 217 HB max
Typical Applications
IS 4367 20Mn5Cr5
Not documented
EN 10084 28CrS4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Can IS 4367 20Mn5Cr5 Be Substituted With EN 10084 28CrS4?
IS 4367 20Mn5Cr5 and EN 10084 28CrS4 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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IS 4367 20Mn5Cr5
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EN 10084 28CrS4
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Frequently Asked Questions
What is the difference between IS 4367 20Mn5Cr5 and EN 10084 28CrS4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4367 20Mn5Cr5 be substituted with EN 10084 28CrS4?
IS 4367 20Mn5Cr5 and EN 10084 28CrS4 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.