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NF A35-565 100C6 vs IS 1570 (Part 4) 103Cr4

Close Alternative — 84.7% match based on chemical composition and mechanical property overlap.

NF A35-565 100C6 and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, NF A35-565 100C6 vs IS 1570 (Part 4) 103Cr4 is a 84.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 84.7%.

Frequently Compared With NF A35-565 100C6:
UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 12Cr4Mo5H IS 11169 (Part 1) 10Ni5Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 12Cr9Mo10H
Match Breakdown
CHEMISTRY MATCH
84.7%
MECHANICAL MATCH
No shared data
OVERALL
84.7%
Specifications
Property NF A35-565 100C6 IS 1570 (Part 4) 103Cr4
Standard NF A35-565 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.95-1.05 0.95-1.10
Si (%) 0.15-0.35 0.10-0.35
Mn (%) 0.25-0.45 0.25-0.45
S (%) <=0.025 Not specified
P (%) <=0.027 Not specified
Cr (%) 1.35-1.65 0.90-1.20
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property NF A35-565 100C6 IS 1570 (Part 4) 103Cr4
Tensile Strength 850-1100 MPa Not specified
Hardness 60-66 HRC Not specified
Typical Applications
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can NF A35-565 100C6 Be Substituted With IS 1570 (Part 4) 103Cr4?
NF A35-565 100C6 and IS 1570 (Part 4) 103Cr4 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.
Forms & Sizes Available on M-EX
NF A35-565 100C6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6700–6700 mm (263.78–263.78 in)
IS 1570 (Part 4) 103Cr4
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On M-EX Right Now
NF A35-565 100C6
2 active listings and RFQs →
IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between NF A35-565 100C6 and IS 1570 (Part 4) 103Cr4?
NF A35-565 100C6 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr4.
Can NF A35-565 100C6 be substituted with IS 1570 (Part 4) 103Cr4?
NF A35-565 100C6 and IS 1570 (Part 4) 103Cr4 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.