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IS 1570 (Part 4) 21C10BT vs IS 1570 (Part 4) 34C14BT

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 21C10BT (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 34C14BT (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Carbon Steel category. IS 1570 (Part 4) 21C10BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 34C14BT is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 21C10BT vs IS 1570 (Part 4) 34C14BT is a 85.7% 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 84.9%.

Frequently Compared With IS 1570 (Part 4) 21C10BT:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 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) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
85.7%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property IS 1570 (Part 4) 21C10BT IS 1570 (Part 4) 34C14BT
Standard IS 1570 (Part 4):1988 IS 1570 (Part 4):1988
Category Carbon Steel Carbon Steel
C (%) 0.18-0.23 0.32-0.37
Si (%) 0.15-0.30 0.15-0.30
Mn (%) 0.80-1.1 1.20-1.50
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.
Can IS 1570 (Part 4) 21C10BT Be Substituted With IS 1570 (Part 4) 34C14BT?
IS 1570 (Part 4) 21C10BT and IS 1570 (Part 4) 34C14BT 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.
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IS 1570 (Part 4) 21C10BT
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IS 1570 (Part 4) 34C14BT
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 21C10BT and IS 1570 (Part 4) 34C14BT?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 4) 21C10BT be substituted with IS 1570 (Part 4) 34C14BT?
IS 1570 (Part 4) 21C10BT and IS 1570 (Part 4) 34C14BT 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.