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EN 10084 28Cr4 vs IS 1570 (Part 4) 103Cr4

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

EN 10084 28Cr4 (EN 10084:2008) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. EN 10084 28Cr4 is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10084 28Cr4 vs IS 1570 (Part 4) 103Cr4 is a 81.3% 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 EN 10084 28Cr4:
IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
81.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10084 28Cr4 IS 1570 (Part 4) 103Cr4
Standard EN 10084:2008 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.24-0.31 0.95-1.10
Cr (%) 0.90-1.20 0.90-1.20
Mn (%) 0.60-0.90 0.25-0.45
P (%) <=0.025 Not specified
S (%) <=0.035 Not specified
Si (%) <=0.40 0.10-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10084 28Cr4 IS 1570 (Part 4) 103Cr4
Condition Soft annealed Not specified
Hardenability +H band at 1.5 mm from the quenched end: 45 to 53 HRC Not specified
Hardness Soft annealed: 217 HB max Not specified
Typical Applications
EN 10084 28Cr4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can EN 10084 28Cr4 Be Substituted With IS 1570 (Part 4) 103Cr4?
EN 10084 28Cr4 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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EN 10084 28Cr4
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IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between EN 10084 28Cr4 and IS 1570 (Part 4) 103Cr4?
EN 10084 28Cr4 specifies P, S which are not specified for IS 1570 (Part 4) 103Cr4.
Can EN 10084 28Cr4 be substituted with IS 1570 (Part 4) 103Cr4?
EN 10084 28Cr4 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.