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IS 11169 (Part 1) 35Mn6Mo3 vs IS 1570 (Part 7) 16Mo3H

Close Alternative — 71.5% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 35Mn6Mo3 (IS 11169 (Part 1):2022) and IS 1570 (Part 7) 16Mo3H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 35Mn6Mo3 is typically used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c), while IS 1570 (Part 7) 16Mo3H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 11169 (Part 1) 35Mn6Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 16Mo3H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 35Mn6Mo3 vs IS 1570 (Part 7) 16Mo3H is a 71.5% 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 71.5%.

Frequently Compared With IS 11169 (Part 1) 35Mn6Mo3:
IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
71.5%
MECHANICAL MATCH
No shared data
OVERALL
71.5%
Specifications
Property IS 11169 (Part 1) 35Mn6Mo3 IS 1570 (Part 7) 16Mo3H
Standard IS 11169 (Part 1):2022 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.30-0.40 0.12-0.20
Cr (%) <=0.15 <=0.30
Cu (%) <=0.15 <=0.30
Mn (%) 1.30-1.80 0.40-0.80
Mo (%) 0.20-0.35 0.25-0.35
Ni (%) <=0.15 <=0.35
P (%) <=0.035 <=0.04
S (%) <=0.035 <=0.04
Si (%) 0.10-0.35 0.10-0.35
Al (metallic) (%) Not specified <=0.02
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 35Mn6Mo3 IS 1570 (Part 7) 16Mo3H
Hardness, annealed (+AC) <=190 HBW Not specified
Tensile Strength Not specified 440-590 MPa
Yield Strength Not specified >=260 MPa (0.2 % proof stress)
Elongation Not specified >=24%
Condition Not specified Seamless pipes, steel plates, N, N+T, thickness over 3 to 16 (first row of Table 3)
Typical Applications
IS 11169 (Part 1) 35Mn6Mo3
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
IS 1570 (Part 7) 16Mo3H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 11169 (Part 1) 35Mn6Mo3 Be Substituted With IS 1570 (Part 7) 16Mo3H?
IS 11169 (Part 1) 35Mn6Mo3 and IS 1570 (Part 7) 16Mo3H 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.
On M-EX Right Now
IS 11169 (Part 1) 35Mn6Mo3
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IS 1570 (Part 7) 16Mo3H
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 35Mn6Mo3 and IS 1570 (Part 7) 16Mo3H?
IS 1570 (Part 7) 16Mo3H specifies Al (metallic) which is not specified for IS 11169 (Part 1) 35Mn6Mo3.
Can IS 11169 (Part 1) 35Mn6Mo3 be substituted with IS 1570 (Part 7) 16Mo3H?
IS 11169 (Part 1) 35Mn6Mo3 and IS 1570 (Part 7) 16Mo3H 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.