Post Stock Login Register

IS 4367 37C15 vs BS 970 (Part 1) 150M40

Strong Match — 88.3% match based on chemical composition and mechanical property overlap.

IS 4367 37C15 (IS 4367:1991) and BS 970 (Part 1) 150M40 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Carbon Steel category. IS 4367 37C15 is typically used for case-hardening steel; used for pins, bushes, and moderately stressed components requiring a hard wear-resistant surface with a tough core, while BS 970 (Part 1) 150M40 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. IS 4367 37C15 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 150M40 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 4367 37C15 vs BS 970 (Part 1) 150M40 is a 88.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 88.3%.

Frequently Compared With IS 4367 37C15:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
88.3%
MECHANICAL MATCH
No shared data
OVERALL
88.3%
Specifications
Property IS 4367 37C15 BS 970 (Part 1) 150M40
Standard IS 4367:1991 BS 970 (Part 1):1983
Category Carbon Steel Carbon Steel
C (%) 0.32-0.42 0.36-0.44
Si (%) 0.10-0.35 Not specified
Mn (%) 1.30-1.70 1.30-1.70
S (%) <=0.035 <=0.050
P (%) <=0.035 <=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 4367 37C15 BS 970 (Part 1) 150M40
Tensile Strength 600-750 MPa Not specified
Yield Strength 440 MPa min Not specified
Elongation >=18% Not specified
Izod Impact 50 J min Not specified
Hardness 178-221 HB Not specified
Hardness (soft annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 150 mm Not specified
Typical Applications
IS 4367 37C15
Case-hardening steel; used for pins, bushes, and moderately stressed components requiring a hard wear-resistant surface with a tough core
BS 970 (Part 1) 150M40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can IS 4367 37C15 Be Substituted With BS 970 (Part 1) 150M40?
IS 4367 37C15 and BS 970 (Part 1) 150M40 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 150M40 is often considered as a substitute for IS 4367 37C15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 4367 37C15
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6800–6900 mm (267.72–271.65 in)
BS 970 (Part 1) 150M40
No active listings currently.
On M-EX Right Now
IS 4367 37C15
2 active listings and RFQs →
BS 970 (Part 1) 150M40
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4367 37C15 and BS 970 (Part 1) 150M40?
IS 4367 37C15 specifies Si which is not specified for BS 970 (Part 1) 150M40.
Can IS 4367 37C15 be substituted with BS 970 (Part 1) 150M40?
IS 4367 37C15 and BS 970 (Part 1) 150M40 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 150M40 is often considered as a substitute for IS 4367 37C15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.