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IS 1570 (Part 4) 40Ni6Cr4Mo2 vs NF A35-565 100C6

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

IS 1570 (Part 4) 40Ni6Cr4Mo2 (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) 40Ni6Cr4Mo2 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) 40Ni6Cr4Mo2 vs NF A35-565 100C6 is a 56.7% match. As per mechanical properties, the match is 1.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 4) 40Ni6Cr4Mo2:
UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 GOST 4543 12HN3A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
56.7%
MECHANICAL MATCH
1.3%
OVERALL
35%
Specifications
Property IS 1570 (Part 4) 40Ni6Cr4Mo2 NF A35-565 100C6
Standard IS 1570 (Part 4):1988 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.95-1.05
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.40-0.70 0.25-0.45
Ni (%) 1.20-1.60 Not specified
Cr (%) 0.90-1.30 1.35-1.65
Mo (%) 0.10-0.20 Not specified
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) 40Ni6Cr4Mo2 NF A35-565 100C6
Tensile Strength 1090-1240 MPa 850-1100 MPa
Yield Strength >=830 MPa (0.2 % proof stress) Not specified
Elongation >=11% Not specified
Izod Impact >=41 J Not specified
Hardness 311-363 HBS (guidance only) 60-66 HRC
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 30 mm Not specified
Typical Applications
IS 1570 (Part 4) 40Ni6Cr4Mo2
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) 40Ni6Cr4Mo2 Be Substituted With NF A35-565 100C6?
IS 1570 (Part 4) 40Ni6Cr4Mo2 and NF A35-565 100C6 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.
Forms & Sizes Available on M-EX
IS 1570 (Part 4) 40Ni6Cr4Mo2
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) 40Ni6Cr4Mo2
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) 40Ni6Cr4Mo2 and NF A35-565 100C6?
IS 1570 (Part 4) 40Ni6Cr4Mo2 specifies Ni, Mo which are not specified for NF A35-565 100C6. NF A35-565 100C6 specifies S, P which are not specified for IS 1570 (Part 4) 40Ni6Cr4Mo2.
Can IS 1570 (Part 4) 40Ni6Cr4Mo2 be substituted with NF A35-565 100C6?
IS 1570 (Part 4) 40Ni6Cr4Mo2 and NF A35-565 100C6 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.