ASTM A240/A240M S31025 vs IS 11169 (Part 1) 41Cr2Ni2Mo2
Related Material — 56.8% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S31025 (ASTM A240/A240M:2025) and IS 11169 (Part 1) 41Cr2Ni2Mo2 (IS 11169 (Part 1):2022) are both steel grades.
ASTM A240/A240M S31025 is classified under Stainless Steel, while IS 11169 (Part 1) 41Cr2Ni2Mo2 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below.
ASTM A240/A240M S31025 is typically used for pressure vessels and general applications (plate, sheet and strip), while IS 11169 (Part 1) 41Cr2Ni2Mo2 is commonly 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).
ASTM A240/A240M S31025 is defined under ASTM International, originating from United States, while IS 11169 (Part 1) 41Cr2Ni2Mo2 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, ASTM A240/A240M S31025 vs IS 11169 (Part 1) 41Cr2Ni2Mo2 is a 35.2% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a related material overall at 56.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A240/A240M S31025
IS 11169 (Part 1) 41Cr2Ni2Mo2
Tensile Strength
>=640 MPa
Not specified
Yield Strength
>=270 MPa
Not specified
Elongation
>=30%
Not specified
Hardness
<=256 HB
Not specified
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Not specified
Tensile Strength, annealed, cold drawn and annealed (+AC+C+AC)
Not specified
<=640 MPa (over 5 to 40 mm)
Typical Applications
ASTM A240/A240M S31025
Pressure vessels and general applications (plate, sheet and strip)
IS 11169 (Part 1) 41Cr2Ni2Mo2
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)
Key Differences
Different category: ASTM A240/A240M S31025 is Stainless Steel, IS 11169 (Part 1) 41Cr2Ni2Mo2 is Alloy Steel.
ASTM A240/A240M S31025 specifies N, Nb, Ti, B which are not specified for IS 11169 (Part 1) 41Cr2Ni2Mo2.
IS 11169 (Part 1) 41Cr2Ni2Mo2 specifies Cu which is not specified for ASTM A240/A240M S31025.
Can ASTM A240/A240M S31025 Be Substituted With IS 11169 (Part 1) 41Cr2Ni2Mo2?
ASTM A240/A240M S31025 and IS 11169 (Part 1) 41Cr2Ni2Mo2 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 ASTM A240/A240M S31025 and IS 11169 (Part 1) 41Cr2Ni2Mo2?
Different category: ASTM A240/A240M S31025 is Stainless Steel, IS 11169 (Part 1) 41Cr2Ni2Mo2 is Alloy Steel. ASTM A240/A240M S31025 specifies N, Nb, Ti, B which are not specified for IS 11169 (Part 1) 41Cr2Ni2Mo2. IS 11169 (Part 1) 41Cr2Ni2Mo2 specifies Cu which is not specified for ASTM A240/A240M S31025.
Can ASTM A240/A240M S31025 be substituted with IS 11169 (Part 1) 41Cr2Ni2Mo2?
ASTM A240/A240M S31025 and IS 11169 (Part 1) 41Cr2Ni2Mo2 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.