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

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

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

As per chemical composition, IS 1570 (Part 4) 103Cr4 vs NF A35-565 100C6 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 IS 1570 (Part 4) 103Cr4:
IS 1570 (Part 4) 07Cr4Mo6 GOST 4543 12HN3A IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 7) 12Cr4Mo5H IS 1570 (Part 7) 12Cr9Mo10H UNI 11234 100Cr6
Match Breakdown
CHEMISTRY MATCH
84.7%
MECHANICAL MATCH
No shared data
OVERALL
84.7%
Specifications
Property IS 1570 (Part 4) 103Cr4 NF A35-565 100C6
Standard IS 1570 (Part 4):1988 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.95-1.10 0.95-1.05
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.25-0.45 0.25-0.45
Cr (%) 0.90-1.20 1.35-1.65
S (%) Not specified <=0.025
P (%) Not specified <=0.027
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) 103Cr4 NF A35-565 100C6
Tensile Strength Not specified 850-1100 MPa
Hardness Not specified 60-66 HRC
Typical Applications
IS 1570 (Part 4) 103Cr4
Not documented
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can IS 1570 (Part 4) 103Cr4 Be Substituted With NF A35-565 100C6?
IS 1570 (Part 4) 103Cr4 and NF A35-565 100C6 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
IS 1570 (Part 4) 103Cr4
No active listings currently.
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)
On M-EX Right Now
IS 1570 (Part 4) 103Cr4
0 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 103Cr4 and NF A35-565 100C6?
NF A35-565 100C6 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 1570 (Part 4) 103Cr4 be substituted with NF A35-565 100C6?
IS 1570 (Part 4) 103Cr4 and NF A35-565 100C6 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.