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ISO 683-17 20NiCrMo7 vs NF A35-565 100C6

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

ISO 683-17 20NiCrMo7 (ISO 683-17:1999) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. ISO 683-17 20NiCrMo7 is typically used for used in large gears, turbine shafts, marine gearboxes, heavy-duty pinions, and industrial transmissions., while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. ISO 683-17 20NiCrMo7 is defined under International Organization for Standardization (ISO), originating from International, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.

As per chemical composition, ISO 683-17 20NiCrMo7 vs NF A35-565 100C6 is a 56.8% match. As per mechanical properties, the match is 11.1%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ISO 683-17 20NiCrMo7:
UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10
Other Alloy Steel Grades to Compare With ISO 683-17 20NiCrMo7:
EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
56.8%
MECHANICAL MATCH
11.1%
OVERALL
35%
Specifications
Property ISO 683-17 20NiCrMo7 NF A35-565 100C6
Standard ISO 683-17:1999 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 0.95-1.05
Si (%) 0.15-0.30 0.15-0.35
Mn (%) 0.45-0.65 0.25-0.45
Cr (%) 0.40-0.60 1.35-1.65
Mo (%) 0.20-0.30 Not specified
Ni (%) 1.65-2.00 Not specified
P (%) <=0.035 <=0.027
S (%) <=0.040 <=0.025
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ISO 683-17 20NiCrMo7 NF A35-565 100C6
Tensile Strength 1000-1300 MPa 850-1100 MPa
Yield Strength 800 MPa min Not specified
Elongation 9-12% Not specified
Hardness 300-360 HB 60-66 HRC
Typical Applications
ISO 683-17 20NiCrMo7
Used in large gears, turbine shafts, marine gearboxes, heavy-duty pinions, and industrial transmissions.
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can ISO 683-17 20NiCrMo7 Be Substituted With NF A35-565 100C6?
ISO 683-17 20NiCrMo7 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
ISO 683-17 20NiCrMo7
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6600–7000 mm (259.84–275.59 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
ISO 683-17 20NiCrMo7
2 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ISO 683-17 20NiCrMo7 and NF A35-565 100C6?
ISO 683-17 20NiCrMo7 specifies Mo, Ni which are not specified for NF A35-565 100C6.
Can ISO 683-17 20NiCrMo7 be substituted with NF A35-565 100C6?
ISO 683-17 20NiCrMo7 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.