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IS 1570 (Part 4) 55Cr3 vs IS 1570 (Part 4) 103Cr6

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

IS 1570 (Part 4) 55Cr3 (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 55Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 55Cr3 vs IS 1570 (Part 4) 103Cr6 is a 77.1% 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 IS 1570 (Part 4) 55Cr3:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
77.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 4) 55Cr3 IS 1570 (Part 4) 103Cr6
Standard IS 1570 (Part 4):1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.50-0.60 0.95-1.10
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.60-0.80 0.25-0.45
Cr (%) 0.60-0.80 1.40-1.60
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 55Cr3 IS 1570 (Part 4) 103Cr6
Tensile Strength 890-1040 MPa Not specified
Yield Strength >=650 MPa (0.2 % proof stress) Not specified
Elongation >=12% Not specified
Izod Impact >=35 J Not specified
Hardness 255-311 HBS (guidance only) Not specified
Condition Wear resisting steel, hardened and tempered, limiting ruling section 63 mm Not specified
Can IS 1570 (Part 4) 55Cr3 Be Substituted With IS 1570 (Part 4) 103Cr6?
IS 1570 (Part 4) 55Cr3 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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IS 1570 (Part 4) 55Cr3
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IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 55Cr3 and IS 1570 (Part 4) 103Cr6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 4) 55Cr3 be substituted with IS 1570 (Part 4) 103Cr6?
IS 1570 (Part 4) 55Cr3 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.