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IS 1570 (Part 3) 10C8S10 vs BS 970 (Part 3) 210M15

Close Alternative — 81% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 3) 10C8S10 (IS 1570 (Part 3):1979) and BS 970 (Part 3) 210M15 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Free Machining Steel category. IS 1570 (Part 3) 10C8S10 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 210M15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 3) 10C8S10 vs BS 970 (Part 3) 210M15 is a 81% 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 81%.

Frequently Compared With IS 1570 (Part 3) 10C8S10:
SAE J403 1132 SAE J403 1117 SAE J403 1117 IS 4432 10C8S10 SAE J403 1118 SAE J403 1141 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1132 SAE J403 1126 SAE J403 1137
Match Breakdown
CHEMISTRY MATCH
81%
MECHANICAL MATCH
No shared data
OVERALL
81%
Specifications
Property IS 1570 (Part 3) 10C8S10 BS 970 (Part 3) 210M15
Standard IS 1570 (Part 3):1979 BS 970 (Part 3):1991
Category Free Machining Steel Free Machining Steel
C (%) <=0.15 0.12-0.18
Si (%) 0.05-0.30 0.10-0.40
Mn (%) 0.60-0.90 0.90-1.30
P (%) <=0.060 <=0.05
S (%) 0.08-0.13 0.10-0.18
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 3) 10C8S10 BS 970 (Part 3) 210M15
Tensile Strength 370-490 MPa Not specified
Elongation >=24% Not specified
Condition Hot rolled or normalized bars, billets and forgings (Table 2), ruling sections up to 150 mm Not specified
Typical Applications
IS 1570 (Part 3) 10C8S10
Not documented
BS 970 (Part 3) 210M15
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; case hardening steel, carbon and carbon manganese (Table 14)
Can IS 1570 (Part 3) 10C8S10 Be Substituted With BS 970 (Part 3) 210M15?
IS 1570 (Part 3) 10C8S10 and BS 970 (Part 3) 210M15 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.
On M-EX Right Now
IS 1570 (Part 3) 10C8S10
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BS 970 (Part 3) 210M15
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Frequently Asked Questions
What is the difference between IS 1570 (Part 3) 10C8S10 and BS 970 (Part 3) 210M15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 3) 10C8S10 be substituted with BS 970 (Part 3) 210M15?
IS 1570 (Part 3) 10C8S10 and BS 970 (Part 3) 210M15 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.