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IS 11169 (Part 1) 20Cr4 vs EN 10084 28CrS4

Strong Match — 85.2% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 20Cr4 (IS 11169 (Part 1):2022) and EN 10084 28CrS4 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 20Cr4 is typically used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b), while EN 10084 28CrS4 is commonly used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1). IS 11169 (Part 1) 20Cr4 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 11169 (Part 1) 20Cr4 vs EN 10084 28CrS4 is a 85.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 85.2%.

Frequently Compared With IS 11169 (Part 1) 20Cr4:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
85.2%
MECHANICAL MATCH
No shared data
OVERALL
85.2%
Specifications
Property IS 11169 (Part 1) 20Cr4 EN 10084 28CrS4
Standard IS 11169 (Part 1):2022 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 0.24-0.31
Cr (%) 0.90-1.20 0.90-1.20
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.60-0.90
P (%) <=0.025 <=0.025
S (%) <=0.025 0.020-0.040
Si (%) <=0.30 <=0.40
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 20Cr4 EN 10084 28CrS4
Tensile Strength, annealed (+AC) <=640 MPa (over 10 to 40 mm) Not specified
Condition Not specified 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 11169 (Part 1) 20Cr4
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
EN 10084 28CrS4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Key Differences
Can IS 11169 (Part 1) 20Cr4 Be Substituted With EN 10084 28CrS4?
IS 11169 (Part 1) 20Cr4 and EN 10084 28CrS4 overlap closely enough on chemistry and mechanical properties that EN 10084 28CrS4 is often considered as a substitute for IS 11169 (Part 1) 20Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
IS 11169 (Part 1) 20Cr4
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EN 10084 28CrS4
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20Cr4 and EN 10084 28CrS4?
IS 11169 (Part 1) 20Cr4 specifies Cu which is not specified for EN 10084 28CrS4.
Can IS 11169 (Part 1) 20Cr4 be substituted with EN 10084 28CrS4?
IS 11169 (Part 1) 20Cr4 and EN 10084 28CrS4 overlap closely enough on chemistry and mechanical properties that EN 10084 28CrS4 is often considered as a substitute for IS 11169 (Part 1) 20Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.