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IS 11169 (Part 1) 18C10BT vs IS 11169 (Part 1) 26C10BT

Close Alternative — 80.5% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 18C10BT (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 26C10BT (IS 11169 (Part 1):1984) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 18C10BT is typically 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), while IS 11169 (Part 1) 26C10BT is commonly used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1). IS 11169 (Part 1) 18C10BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 26C10BT is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 18C10BT vs IS 11169 (Part 1) 26C10BT is a 80.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.5%.

Frequently Compared With IS 11169 (Part 1) 18C10BT:
IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6 IS 4367 10Cr9Mo10 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
80.5%
MECHANICAL MATCH
No shared data
OVERALL
80.5%
Specifications
Property IS 11169 (Part 1) 18C10BT IS 11169 (Part 1) 26C10BT
Standard IS 11169 (Part 1):2022 IS 11169 (Part 1):1984
Category Alloy Steel Alloy Steel
B (%) 0.0008-0.005 0.0005-0.003
C (%) 0.16-0.20 0.23-0.29
Cu (%) <=0.25 Not specified
Mn (%) 0.90-1.20 0.90-1.2
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) <=0.30 0.15-0.30
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) 18C10BT IS 11169 (Part 1) 26C10BT
Tensile Strength, as rolled (+AR) <=580 MPa (over 5 to 40 mm) Not specified
Hardness, annealed Not specified <=160 HB
Typical Applications
IS 11169 (Part 1) 18C10BT
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) 26C10BT
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
Key Differences
Can IS 11169 (Part 1) 18C10BT Be Substituted With IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 18C10BT and IS 11169 (Part 1) 26C10BT are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
IS 11169 (Part 1) 18C10BT
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IS 11169 (Part 1) 26C10BT
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 18C10BT and IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 18C10BT specifies Cu, P, S which are not specified for IS 11169 (Part 1) 26C10BT.
Can IS 11169 (Part 1) 18C10BT be substituted with IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 18C10BT and IS 11169 (Part 1) 26C10BT are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.