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IS 1570 (Part 7) 16Mo3H vs IS 11169 (Part 1) 16Ni8Cr6Mo2

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

IS 1570 (Part 7) 16Mo3H (IS 1570 (Part 7):1992) and IS 11169 (Part 1) 16Ni8Cr6Mo2 (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 16Mo3H is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while IS 11169 (Part 1) 16Ni8Cr6Mo2 is commonly used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b). IS 1570 (Part 7) 16Mo3H is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 16Ni8Cr6Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 16Mo3H vs IS 11169 (Part 1) 16Ni8Cr6Mo2 is a 70.7% 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 7) 16Mo3H:
IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H UNI 11234 100Cr6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
70.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 7) 16Mo3H IS 11169 (Part 1) 16Ni8Cr6Mo2
Standard IS 1570 (Part 7):1992 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.12-0.20 0.12-0.20
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.40-0.80 0.40-0.70
P (%) <=0.04 <=0.035
S (%) <=0.04 <=0.035
Cr (%) <=0.30 1.40-1.70
Ni (%) <=0.35 1.80-2.20
Mo (%) 0.25-0.35 0.15-0.25
Al (metallic) (%) <=0.02 Not specified
Cu (%) <=0.30 <=0.15
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 7) 16Mo3H IS 11169 (Part 1) 16Ni8Cr6Mo2
Tensile Strength 440-590 MPa Not specified
Yield Strength >=260 MPa (0.2 % proof stress) Not specified
Elongation >=24% Not specified
Condition Seamless pipes, steel plates, N, N+T, thickness over 3 to 16 (first row of Table 3) Not specified
Hardness, annealed (+AC) Not specified <=190 HBW
Typical Applications
IS 1570 (Part 7) 16Mo3H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 11169 (Part 1) 16Ni8Cr6Mo2
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
Key Differences
Can IS 1570 (Part 7) 16Mo3H Be Substituted With IS 11169 (Part 1) 16Ni8Cr6Mo2?
IS 1570 (Part 7) 16Mo3H and IS 11169 (Part 1) 16Ni8Cr6Mo2 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.
On M-EX Right Now
IS 1570 (Part 7) 16Mo3H
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IS 11169 (Part 1) 16Ni8Cr6Mo2
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 16Mo3H and IS 11169 (Part 1) 16Ni8Cr6Mo2?
IS 1570 (Part 7) 16Mo3H specifies Al (metallic) which is not specified for IS 11169 (Part 1) 16Ni8Cr6Mo2.
Can IS 1570 (Part 7) 16Mo3H be substituted with IS 11169 (Part 1) 16Ni8Cr6Mo2?
IS 1570 (Part 7) 16Mo3H and IS 11169 (Part 1) 16Ni8Cr6Mo2 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.