IS 11169 (Part 1) 25Cr4Mo2 vs IS 1570 (Part 7) 10Mo6H
Minimal Match — 41.7% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 25Cr4Mo2 (IS 11169 (Part 1):2022) and IS 1570 (Part 7) 10Mo6H (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 25Cr4Mo2 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) 10Mo6H 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) 25Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 10Mo6H is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 25Cr4Mo2 vs IS 1570 (Part 7) 10Mo6H is a 62.5% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 41.7%.
Frequently Compared With IS 11169 (Part 1) 25Cr4Mo2:
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) 25Cr4Mo2
IS 1570 (Part 7) 10Mo6H
Core Hardness (CH)
>=41 HRC up to 13 mm
Not specified
Tensile Strength, annealed (+AC)
<=580 MPa (over 5 to 40 mm)
Not specified
Tensile Strength
Not specified
>=415 MPa
Yield Strength
Not specified
>=205 MPa (0.2 % proof stress)
Elongation
Not specified
>=30%
Condition
Not specified
Tubes, N+T, thickness - (first row of Table 3)
Typical Applications
IS 11169 (Part 1) 25Cr4Mo2
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) 10Mo6H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
IS 11169 (Part 1) 25Cr4Mo2 specifies Cu which is not specified for IS 1570 (Part 7) 10Mo6H.
Can IS 11169 (Part 1) 25Cr4Mo2 Be Substituted With IS 1570 (Part 7) 10Mo6H?
IS 11169 (Part 1) 25Cr4Mo2 and IS 1570 (Part 7) 10Mo6H 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.
What is the difference between IS 11169 (Part 1) 25Cr4Mo2 and IS 1570 (Part 7) 10Mo6H?
IS 11169 (Part 1) 25Cr4Mo2 specifies Cu which is not specified for IS 1570 (Part 7) 10Mo6H.
Can IS 11169 (Part 1) 25Cr4Mo2 be substituted with IS 1570 (Part 7) 10Mo6H?
IS 11169 (Part 1) 25Cr4Mo2 and IS 1570 (Part 7) 10Mo6H 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.