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NF A35-565 18NCD4 vs IS 4367 10Cr9Mo10

Minimal Match — 40% match based on chemical composition and mechanical property overlap.

NF A35-565 18NCD4 and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. NF A35-565 18NCD4 is defined under Association Francaise de Normalisation (NF), originating from France, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, NF A35-565 18NCD4 vs IS 4367 10Cr9Mo10 is a 60% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 40%.

Frequently Compared With NF A35-565 18NCD4:
UNI 11234 100Cr6 GOST 4543 12HN3A NF A35-565 100C6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
60%
MECHANICAL MATCH
0%
OVERALL
40%
Specifications
Property NF A35-565 18NCD4 IS 4367 10Cr9Mo10
Standard NF A35-565 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.15-0.21 <=0.15
Si (%) 0.15-0.40 <=0.50
Mn (%) 0.50-0.80 0.40-0.70
Ni (%) 0.90-1.40 <=0.30
Cr (%) 0.90-1.40 2.00-2.50
Mo (%) 0.15-0.30 0.90-1.10
P (%) 0.035 max <=0.035
S (%) 0.035 max <=0.035
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 18NCD4 IS 4367 10Cr9Mo10
Tensile Strength 850-1100 MPa 410-590 MPa
Yield Strength 650-850 MPa 245 MPa min
Elongation 10-16% >=18%
Hardness 58-62 HRC (case) Not specified
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Condition Not specified Normalised and tempered, ruling section up to 50 mm
Typical Applications
NF A35-565 18NCD4
Used for gears, aerospace shafts, pinions, transmission components, heavy-duty bearings, and carburized mechanical parts.
IS 4367 10Cr9Mo10
Not documented
Can NF A35-565 18NCD4 Be Substituted With IS 4367 10Cr9Mo10?
NF A35-565 18NCD4 and IS 4367 10Cr9Mo10 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
NF A35-565 18NCD4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6000–6700 mm (236.22–263.78 in)
IS 4367 10Cr9Mo10
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On M-EX Right Now
NF A35-565 18NCD4
2 active listings and RFQs →
IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between NF A35-565 18NCD4 and IS 4367 10Cr9Mo10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can NF A35-565 18NCD4 be substituted with IS 4367 10Cr9Mo10?
NF A35-565 18NCD4 and IS 4367 10Cr9Mo10 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.