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IS 1570 (Part 4) 16Ni6Cr7Mo3 vs GOST 4543 15H2NM

Close Alternative — 73.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 16Ni6Cr7Mo3 (IS 1570 (Part 4):1988) and GOST 4543 15H2NM (GOST 4543-2016) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 16Ni6Cr7Mo3 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, IS 1570 (Part 4) 16Ni6Cr7Mo3 vs GOST 4543 15H2NM is a 73.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 73.9%.

Frequently Compared With IS 1570 (Part 4) 16Ni6Cr7Mo3:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 GOST 4543 12HN3A NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
73.9%
MECHANICAL MATCH
No shared data
OVERALL
73.9%
Specifications
Property IS 1570 (Part 4) 16Ni6Cr7Mo3 GOST 4543 15H2NM
Standard IS 1570 (Part 4):1988 GOST 4543-2016
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.12-0.18
Si (%) 0.15-0.35 Not specified
Mn (%) 0.40-0.60 0.3-0.6
Ni (%) 1.40-1.70 1.4-1.8
Cr (%) 1.50-1.80 1.25-1.65
Mo (%) 0.25-0.35 0.15-0.3
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) 16Ni6Cr7Mo3 GOST 4543 15H2NM
Tensile Strength Not specified 900-1100 MPa
Yield Strength Not specified 735 MPa min
Elongation Not specified 10% min
Hardness Not specified 58-62 HRC (case)
Typical Applications
IS 1570 (Part 4) 16Ni6Cr7Mo3
Not documented
GOST 4543 15H2NM
Used for heavy-duty gears, shafts, couplings, bearings, and transmission parts.
Key Differences
Can IS 1570 (Part 4) 16Ni6Cr7Mo3 Be Substituted With GOST 4543 15H2NM?
IS 1570 (Part 4) 16Ni6Cr7Mo3 and GOST 4543 15H2NM are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
IS 1570 (Part 4) 16Ni6Cr7Mo3
No active listings currently.
GOST 4543 15H2NM
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6000–6500 mm (236.22–255.91 in)
On M-EX Right Now
IS 1570 (Part 4) 16Ni6Cr7Mo3
0 active listings and RFQs →
GOST 4543 15H2NM
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 16Ni6Cr7Mo3 and GOST 4543 15H2NM?
IS 1570 (Part 4) 16Ni6Cr7Mo3 specifies Si which is not specified for GOST 4543 15H2NM.
Can IS 1570 (Part 4) 16Ni6Cr7Mo3 be substituted with GOST 4543 15H2NM?
IS 1570 (Part 4) 16Ni6Cr7Mo3 and GOST 4543 15H2NM are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.