IS 11169 (Part 1) 25C9GC vs IS 11169 (Part 1) 20Ni2Cr2Mo2
Related Material — 65% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 25C9GC (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 20Ni2Cr2Mo2 (IS 11169 (Part 1):2022) are both steel grades.
IS 11169 (Part 1) 25C9GC is classified under Carbon Steel, while IS 11169 (Part 1) 20Ni2Cr2Mo2 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below.
IS 11169 (Part 1) 25C9GC is typically used for cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex a), while IS 11169 (Part 1) 20Ni2Cr2Mo2 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 11169 (Part 1) 25C9GC is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 20Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 25C9GC vs IS 11169 (Part 1) 20Ni2Cr2Mo2 is a 57.1% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a related material overall at 65%.
Frequently Compared With IS 11169 (Part 1) 25C9GC:
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) 25C9GC
IS 11169 (Part 1) 20Ni2Cr2Mo2
Reduction of Area, as rolled (+AR)
>=50% (for information)
Not specified
Tensile Strength, as rolled (+AR)
<=590 MPa (over 5 to 100 mm)
Not specified
Hardness, ferrite-pearlite (+FP)
Not specified
149-194 HB
Tensile Strength, annealed (+AC)
Not specified
<=590 MPa (over 5 to 40 mm)
Typical Applications
IS 11169 (Part 1) 25C9GC
Cold heading and cold extrusion of parts not heat treated after cold forming; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex A)
IS 11169 (Part 1) 20Ni2Cr2Mo2
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
Different category: IS 11169 (Part 1) 25C9GC is Carbon Steel, IS 11169 (Part 1) 20Ni2Cr2Mo2 is Alloy Steel.
IS 11169 (Part 1) 25C9GC specifies Al which is not specified for IS 11169 (Part 1) 20Ni2Cr2Mo2.
Can IS 11169 (Part 1) 25C9GC Be Substituted With IS 11169 (Part 1) 20Ni2Cr2Mo2?
IS 11169 (Part 1) 25C9GC and IS 11169 (Part 1) 20Ni2Cr2Mo2 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) 25C9GC and IS 11169 (Part 1) 20Ni2Cr2Mo2?
Different category: IS 11169 (Part 1) 25C9GC is Carbon Steel, IS 11169 (Part 1) 20Ni2Cr2Mo2 is Alloy Steel. IS 11169 (Part 1) 25C9GC specifies Al which is not specified for IS 11169 (Part 1) 20Ni2Cr2Mo2.
Can IS 11169 (Part 1) 25C9GC be substituted with IS 11169 (Part 1) 20Ni2Cr2Mo2?
IS 11169 (Part 1) 25C9GC and IS 11169 (Part 1) 20Ni2Cr2Mo2 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.