Post Stock Login Register

IS 4367 40Cr4Mo3 vs NF A35-565 100C6

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

IS 4367 40Cr4Mo3 (IS 4367:1991) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. IS 4367 40Cr4Mo3 is typically used for gears, crankshafts, connecting rods, heavy duty shafts, high strength bolts, forged components, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. IS 4367 40Cr4Mo3 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 4367 40Cr4Mo3 vs NF A35-565 100C6 is a 66% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4367 40Cr4Mo3:
GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Cr20Mo6 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
66%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 4367 40Cr4Mo3 NF A35-565 100C6
Standard IS 4367:1991 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 (%) 0.50-0.80 0.25-0.45
Cr (%) 0.90-1.20 1.35-1.65
Mo (%) 0.20-0.35 Not specified
S (%) <=0.035 <=0.025
P (%) <=0.035 <=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 4367 40Cr4Mo3 NF A35-565 100C6
Tensile Strength 700-850 MPa 850-1100 MPa
Yield Strength 540 MPa min Not specified
Elongation >=18% Not specified
Izod Impact 55 J min Not specified
Hardness 208-252 HB 60-66 HRC
Hardness (soft annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 150 mm Not specified
Typical Applications
IS 4367 40Cr4Mo3
gears, crankshafts, connecting rods, heavy duty shafts, high strength bolts, forged components
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can IS 4367 40Cr4Mo3 Be Substituted With NF A35-565 100C6?
IS 4367 40Cr4Mo3 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 4367 40Cr4Mo3
Round Bar → (4 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–6700 mm (204.72–263.78 in)
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 4367 40Cr4Mo3
4 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4367 40Cr4Mo3 and NF A35-565 100C6?
IS 4367 40Cr4Mo3 specifies Mo which is not specified for NF A35-565 100C6.
Can IS 4367 40Cr4Mo3 be substituted with NF A35-565 100C6?
IS 4367 40Cr4Mo3 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.