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GOST 4543 30HN3A vs IS 4367 10Cr9Mo10

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

GOST 4543 30HN3A (GOST 4543-2016) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 4543 30HN3A vs IS 4367 10Cr9Mo10 is a 57.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 4543 30HN3A:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 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) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
57.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GOST 4543 30HN3A IS 4367 10Cr9Mo10
Standard GOST 4543-2016 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.27-0.34 <=0.15
Cr (%) 0.6-0.9 2.00-2.50
Ni (%) 2.75-3.15 <=0.30
Mn (%) 0.3-0.6 0.40-0.70
Si (%) 0.17-0.37 <=0.50
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 GOST 4543 30HN3A IS 4367 10Cr9Mo10
Tensile Strength 980-1180 MPa 410-590 MPa
Yield Strength 835 MPa min 245 MPa min
Elongation 10% min >=18%
Hardness 285-352 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
GOST 4543 30HN3A
Used for aircraft fittings, shafts, gears, spindles, and heavy machinery parts.
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can GOST 4543 30HN3A Be Substituted With IS 4367 10Cr9Mo10?
GOST 4543 30HN3A 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
GOST 4543 30HN3A
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6000–6300 mm (236.22–248.03 in)
IS 4367 10Cr9Mo10
No active listings currently.
On M-EX Right Now
GOST 4543 30HN3A
2 active listings and RFQs →
IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between GOST 4543 30HN3A and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Mo, S, P which are not specified for GOST 4543 30HN3A.
Can GOST 4543 30HN3A be substituted with IS 4367 10Cr9Mo10?
GOST 4543 30HN3A 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.