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IS 4432 20Ni7Mo2-S vs NF A35-565 100C6

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

IS 4432 20Ni7Mo2-S (IS 4432:1988) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. IS 4432 20Ni7Mo2-S is typically used for forgings and fabrication of case-hardened machine or automobile parts, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. IS 4432 20Ni7Mo2-S 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 4432 20Ni7Mo2-S vs NF A35-565 100C6 is a 57.6% match. As per mechanical properties, the match is 35.7%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4432 20Ni7Mo2-S:
IS 1570 (Part 4) 103Cr6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
57.6%
MECHANICAL MATCH
35.7%
OVERALL
35%
Specifications
Property IS 4432 20Ni7Mo2-S NF A35-565 100C6
Standard IS 4432:1988 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 0.95-1.05
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.40-0.65 0.25-0.45
Ni (%) 1.65-2.00 Not specified
Mo (%) 0.20-0.30 Not specified
S (%) 0.020-0.035 <=0.025
P (%) <=0.035 <=0.027
Cr (%) Not specified 1.35-1.65
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4432 20Ni7Mo2-S NF A35-565 100C6
Core Tensile Strength 800-1150 MPa (16 mm) / 700-1000 MPa (30 mm) / 650-950 MPa (63 mm) Not specified
Core Yield Strength >=550 MPa (16 mm) / >=500 MPa (30 mm) / >=450 MPa (63 mm) Not specified
Core Elongation >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm) Not specified
Core Reduction of Area >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm) Not specified
Hardness, annealed (A) <=217 HB Not specified
Tensile Strength Not specified 850-1100 MPa
Hardness Not specified 60-66 HRC
Typical Applications
IS 4432 20Ni7Mo2-S
Forgings and fabrication of case-hardened machine or automobile parts
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can IS 4432 20Ni7Mo2-S Be Substituted With NF A35-565 100C6?
IS 4432 20Ni7Mo2-S 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 4432 20Ni7Mo2-S
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 4432 20Ni7Mo2-S
0 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4432 20Ni7Mo2-S and NF A35-565 100C6?
IS 4432 20Ni7Mo2-S specifies Ni, Mo which are not specified for NF A35-565 100C6. NF A35-565 100C6 specifies Cr which is not specified for IS 4432 20Ni7Mo2-S.
Can IS 4432 20Ni7Mo2-S be substituted with NF A35-565 100C6?
IS 4432 20Ni7Mo2-S 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.