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ISO 683-17 20NiCrMo7 vs IS 4367 10Cr9Mo10

Minimal Match — 39.6% match based on chemical composition and mechanical property overlap.

ISO 683-17 20NiCrMo7 (ISO 683-17:1999) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. ISO 683-17 20NiCrMo7 is defined under International Organization for Standardization (ISO), originating from International, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ISO 683-17 20NiCrMo7 vs IS 4367 10Cr9Mo10 is a 59.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 39.6%.

Frequently Compared With ISO 683-17 20NiCrMo7:
UNI 11234 100Cr6 NF A35-565 100C6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Other Alloy Steel Grades to Compare With ISO 683-17 20NiCrMo7:
EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
59.5%
MECHANICAL MATCH
0%
OVERALL
39.6%
Specifications
Property ISO 683-17 20NiCrMo7 IS 4367 10Cr9Mo10
Standard ISO 683-17:1999 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 <=0.15
Si (%) 0.15-0.30 <=0.50
Mn (%) 0.45-0.65 0.40-0.70
Cr (%) 0.40-0.60 2.00-2.50
Mo (%) 0.20-0.30 0.90-1.10
Ni (%) 1.65-2.00 <=0.30
P (%) <=0.035 <=0.035
S (%) <=0.040 <=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 ISO 683-17 20NiCrMo7 IS 4367 10Cr9Mo10
Tensile Strength 1000-1300 MPa 410-590 MPa
Yield Strength 800 MPa min 245 MPa min
Elongation 9-12% >=18%
Hardness 300-360 HB 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
ISO 683-17 20NiCrMo7
Used in large gears, turbine shafts, marine gearboxes, heavy-duty pinions, and industrial transmissions.
IS 4367 10Cr9Mo10
Not documented
Can ISO 683-17 20NiCrMo7 Be Substituted With IS 4367 10Cr9Mo10?
ISO 683-17 20NiCrMo7 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
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)
IS 4367 10Cr9Mo10
No active listings currently.
On M-EX Right Now
ISO 683-17 20NiCrMo7
2 active listings and RFQs →
IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between ISO 683-17 20NiCrMo7 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 ISO 683-17 20NiCrMo7 be substituted with IS 4367 10Cr9Mo10?
ISO 683-17 20NiCrMo7 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.