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IS 11169 (Part 1) 4C3 vs IS 11169 (Part 1) 21C13BT

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 4C3 (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 21C13BT (IS 11169 (Part 1):2022) are both steel grades. IS 11169 (Part 1) 4C3 is classified under Carbon Steel, while IS 11169 (Part 1) 21C13BT is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 11169 (Part 1) 4C3 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) 21C13BT 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) 4C3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 21C13BT is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 4C3 vs IS 11169 (Part 1) 21C13BT is a 65% 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 65%.

Frequently Compared With IS 11169 (Part 1) 4C3:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
65%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 11169 (Part 1) 4C3 IS 11169 (Part 1) 21C13BT
Standard IS 11169 (Part 1):2022 IS 11169 (Part 1):2022
Category Carbon Steel Alloy Steel
Al (%) 0.020-0.060 Not specified
C (%) 0.02-0.06 0.18-0.23
Cr (%) <=0.30 <=0.20
Cu (%) <=0.30 <=0.35
Mn (%) 0.25-0.40 1.10-1.40
Mo (%) <=0.10 <=0.060
Ni (%) <=0.30 <=0.25
P (%) <=0.020 <=0.040
S (%) <=0.025 <=0.050
Si (%) <=0.10 Not specified
B (%) Not specified 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) 4C3 IS 11169 (Part 1) 21C13BT
Reduction of Area, as rolled (+AR) >=70% (for information) Not specified
Tensile Strength, as rolled (+AR) <=390 MPa (over 5 to 100 mm) Not specified
Typical Applications
IS 11169 (Part 1) 4C3
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) 21C13BT
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) 4C3 Be Substituted With IS 11169 (Part 1) 21C13BT?
IS 11169 (Part 1) 4C3 and IS 11169 (Part 1) 21C13BT 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) 4C3
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IS 11169 (Part 1) 21C13BT
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 4C3 and IS 11169 (Part 1) 21C13BT?
Different category: IS 11169 (Part 1) 4C3 is Carbon Steel, IS 11169 (Part 1) 21C13BT is Alloy Steel. IS 11169 (Part 1) 4C3 specifies Al, Si which are not specified for IS 11169 (Part 1) 21C13BT. IS 11169 (Part 1) 21C13BT specifies B which is not specified for IS 11169 (Part 1) 4C3.
Can IS 11169 (Part 1) 4C3 be substituted with IS 11169 (Part 1) 21C13BT?
IS 11169 (Part 1) 4C3 and IS 11169 (Part 1) 21C13BT 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.