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IS 1570 (Part 4) 34C14BT vs BS 970 EN15

Close Alternative — 84.6% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 34C14BT (IS 1570 (Part 4):1988) and BS 970 EN15 (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. IS 1570 (Part 4) 34C14BT is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 4) 34C14BT vs BS 970 EN15 is a 84.6% 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 84.6%.

Frequently Compared With IS 1570 (Part 4) 34C14BT:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 3) 045A10 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 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
84.6%
MECHANICAL MATCH
No shared data
OVERALL
84.6%
Specifications
Property IS 1570 (Part 4) 34C14BT BS 970 EN15
Standard IS 1570 (Part 4):1988 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.32-0.37 0.30-0.40
Si (%) 0.15-0.30 0.10-0.35
Mn (%) 1.20-1.50 1.30-1.70
B (%) 0.0005-0.003 Not specified
S (%) Not specified <=0.050
P (%) Not specified <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 34C14BT BS 970 EN15
Tensile Strength Not specified ≥618 MPa (40 tons/sq in, converted)
Yield Strength Not specified ≥432 MPa (28 tons/sq in, converted)
Elongation Not specified ≥22%
Hardness Not specified 179-229 HB
Condition Not specified Hardened and tempered Q, ruling section 6 in (lowest-strength condition of the standard)
Typical Applications
IS 1570 (Part 4) 34C14BT
Not documented
BS 970 EN15
Heavy duty shafts, couplings, general engineering
Key Differences
Can IS 1570 (Part 4) 34C14BT Be Substituted With BS 970 EN15?
IS 1570 (Part 4) 34C14BT and BS 970 EN15 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.
Forms & Sizes Available on M-EX
IS 1570 (Part 4) 34C14BT
No active listings currently.
BS 970 EN15
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5500–6400 mm (216.54–251.97 in)
On M-EX Right Now
IS 1570 (Part 4) 34C14BT
0 active listings and RFQs →
BS 970 EN15
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 34C14BT and BS 970 EN15?
IS 1570 (Part 4) 34C14BT specifies B which is not specified for BS 970 EN15. BS 970 EN15 specifies S, P which are not specified for IS 1570 (Part 4) 34C14BT.
Can IS 1570 (Part 4) 34C14BT be substituted with BS 970 EN15?
IS 1570 (Part 4) 34C14BT and BS 970 EN15 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.