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IS 11169 (Part 1) 25C9GC vs IS 11169 (Part 1) 40C15

Related Material — 68% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 25C9GC (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 40C15 (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Carbon Steel category. 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) 40C15 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). IS 11169 (Part 1) 25C9GC is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 40C15 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) 40C15 is a 68% 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 68%.

Frequently Compared With IS 11169 (Part 1) 25C9GC:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
68%
MECHANICAL MATCH
No shared data
OVERALL
68%
Specifications
Property IS 11169 (Part 1) 25C9GC IS 11169 (Part 1) 40C15
Standard IS 11169 (Part 1):2022 IS 11169 (Part 1):2022
Category Carbon Steel Carbon Steel
Al (%) <=0.015 Not specified
C (%) 0.23-0.27 0.36-0.44
Cr (%) <=0.30 <=0.20
Cu (%) <=0.30 <=0.35
Mn (%) 0.80-1.00 1.35-1.65
Mo (%) <=0.10 <=0.06
Ni (%) <=0.30 <=0.25
P (%) <=0.025 <=0.030
S (%) <=0.025 <=0.050
Si (%) 0.15-0.25 Not specified
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) 40C15
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
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) 40C15
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
Can IS 11169 (Part 1) 25C9GC Be Substituted With IS 11169 (Part 1) 40C15?
IS 11169 (Part 1) 25C9GC and IS 11169 (Part 1) 40C15 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 11169 (Part 1) 25C9GC
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IS 11169 (Part 1) 40C15
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 25C9GC and IS 11169 (Part 1) 40C15?
IS 11169 (Part 1) 25C9GC specifies Al, Si which are not specified for IS 11169 (Part 1) 40C15.
Can IS 11169 (Part 1) 25C9GC be substituted with IS 11169 (Part 1) 40C15?
IS 11169 (Part 1) 25C9GC and IS 11169 (Part 1) 40C15 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.