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EN 10084 20MoCrS3 vs IS 1570 (Part 4) 103Cr6

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

EN 10084 20MoCrS3 (EN 10084:2008) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. EN 10084 20MoCrS3 is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10084 20MoCrS3 vs IS 1570 (Part 4) 103Cr6 is a 63.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10084 20MoCrS3:
IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 10Cr36Mo10H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
63.3%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property EN 10084 20MoCrS3 IS 1570 (Part 4) 103Cr6
Standard EN 10084:2008 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 0.95-1.10
Cr (%) 0.40-0.70 1.40-1.60
Mn (%) 0.60-0.90 0.25-0.45
Mo (%) 0.30-0.40 Not specified
P (%) <=0.025 Not specified
S (%) 0.020-0.040 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 20MoCrS3 IS 1570 (Part 4) 103Cr6
Condition Soft annealed Not specified
Hardenability +H band at 1.5 mm from the quenched end: 41 to 49 HRC Not specified
Hardness Soft annealed: 217 HB max Not specified
Typical Applications
EN 10084 20MoCrS3
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can EN 10084 20MoCrS3 Be Substituted With IS 1570 (Part 4) 103Cr6?
EN 10084 20MoCrS3 and IS 1570 (Part 4) 103Cr6 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 20MoCrS3
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IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between EN 10084 20MoCrS3 and IS 1570 (Part 4) 103Cr6?
EN 10084 20MoCrS3 specifies Mo, P, S which are not specified for IS 1570 (Part 4) 103Cr6.
Can EN 10084 20MoCrS3 be substituted with IS 1570 (Part 4) 103Cr6?
EN 10084 20MoCrS3 and IS 1570 (Part 4) 103Cr6 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.