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IS 11169 (Part 1) 21C10BT vs IS 11169 (Part 1) 26C10BT

Strong Match — 92.4% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 21C10BT (IS 11169 (Part 1):1984) 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) 21C10BT is typically used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1), 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) 21C10BT 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) 21C10BT vs IS 11169 (Part 1) 26C10BT is a 88.6% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 92.4%.

Frequently Compared With IS 11169 (Part 1) 21C10BT:
UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
88.6%
MECHANICAL MATCH
100%
OVERALL
92.4%
Specifications
Property IS 11169 (Part 1) 21C10BT IS 11169 (Part 1) 26C10BT
Standard IS 11169 (Part 1):1984 IS 11169 (Part 1):1984
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.23-0.29
Mn (%) 0.8-1.1 0.90-1.2
Si (%) 0.15-0.30 0.15-0.30
B (%) 0.0005-0.003 0.0005-0.003
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) 21C10BT IS 11169 (Part 1) 26C10BT
Hardness, annealed <=160 HB <=160 HB
Typical Applications
IS 11169 (Part 1) 21C10BT
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) 26C10BT
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
Can IS 11169 (Part 1) 21C10BT Be Substituted With IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 21C10BT and IS 11169 (Part 1) 26C10BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 26C10BT is often considered as a substitute for IS 11169 (Part 1) 21C10BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 11169 (Part 1) 21C10BT
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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) 21C10BT and IS 11169 (Part 1) 26C10BT?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 11169 (Part 1) 21C10BT be substituted with IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 21C10BT and IS 11169 (Part 1) 26C10BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 26C10BT is often considered as a substitute for IS 11169 (Part 1) 21C10BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.