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IS 1570 (Part 4) 15Cr6Ni6 vs GOST 4543 12HN3A

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 15Cr6Ni6 (IS 1570 (Part 4):1988) and GOST 4543 12HN3A (GOST 4543-2016) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 15Cr6Ni6 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, IS 1570 (Part 4) 15Cr6Ni6 vs GOST 4543 12HN3A is a 75.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 1570 (Part 4) 15Cr6Ni6:
GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 11169 (Part 1) 12Ni3Cr2 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4 GB/T 3077 12CrNi2
Match Breakdown
CHEMISTRY MATCH
75.2%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 4) 15Cr6Ni6 GOST 4543 12HN3A
Standard IS 1570 (Part 4):1988 GOST 4543-2016
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.09-0.16
Si (%) 0.15-0.35 0.17-0.37
Mn (%) 0.40-0.60 0.3-0.6
Ni (%) 1.40-1.70 2.75-3.15
Cr (%) 1.40-1.70 0.6-0.9
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 15Cr6Ni6 GOST 4543 12HN3A
Tensile Strength Not specified 850-1050 MPa
Yield Strength Not specified 685 MPa min
Elongation Not specified 11% min
Hardness Not specified 58-62 HRC (case)
Typical Applications
IS 1570 (Part 4) 15Cr6Ni6
Not documented
GOST 4543 12HN3A
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.
Can IS 1570 (Part 4) 15Cr6Ni6 Be Substituted With GOST 4543 12HN3A?
IS 1570 (Part 4) 15Cr6Ni6 and GOST 4543 12HN3A 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
IS 1570 (Part 4) 15Cr6Ni6
No active listings currently.
GOST 4543 12HN3A
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5600–6600 mm (220.47–259.84 in)
On M-EX Right Now
IS 1570 (Part 4) 15Cr6Ni6
0 active listings and RFQs →
GOST 4543 12HN3A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 15Cr6Ni6 and GOST 4543 12HN3A?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 4) 15Cr6Ni6 be substituted with GOST 4543 12HN3A?
IS 1570 (Part 4) 15Cr6Ni6 and GOST 4543 12HN3A 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.