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AISI 5120 vs IS 4367 10Cr9Mo10

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

AISI 5120 and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. AISI 5120 is defined under AISI, originating from United States, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, AISI 5120 vs IS 4367 10Cr9Mo10 is a 56.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With AISI 5120:
GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A UNI 11234 100Cr6 NF A35-565 100C6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
56.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property AISI 5120 IS 4367 10Cr9Mo10
Standard AISI IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.17–0.22 <=0.15
Mn (%) 0.70–0.90 0.40-0.70
Cr (%) 0.70–0.90 2.00-2.50
Si (%) 0.15–0.35 <=0.50
Ni (%) Not specified <=0.30
Mo (%) Not specified 0.90-1.10
S (%) Not specified <=0.035
P (%) Not specified <=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 AISI 5120 IS 4367 10Cr9Mo10
Condition Carburized & Case Hardened Normalised and tempered, ruling section up to 50 mm
Tensile Strength 750–950 MPa 410-590 MPa
Case Hardness HRC 58–62 Not specified
Core Hardness HB 207–269 Not specified
Yield Strength Not specified 245 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Typical Applications
AISI 5120
Case hardened gears, pins, shafts, cams
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can AISI 5120 Be Substituted With IS 4367 10Cr9Mo10?
AISI 5120 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
AISI 5120
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–6500 mm (200.79–255.91 in)
IS 4367 10Cr9Mo10
No active listings currently.
On M-EX Right Now
AISI 5120
2 active listings and RFQs →
IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between AISI 5120 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni, Mo, S, P which are not specified for AISI 5120.
Can AISI 5120 be substituted with IS 4367 10Cr9Mo10?
AISI 5120 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.