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BS 970 EN32M vs IS 1570 (Part 3) 10C8S10

Related Material — 56% match based on chemical composition and mechanical property overlap.

BS 970 EN32M (BS 970:1955) and IS 1570 (Part 3) 10C8S10 (IS 1570 (Part 3):1979) are both steel grades. Both fall under the Free Machining Steel category. BS 970 EN32M is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 3) 10C8S10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN32M vs IS 1570 (Part 3) 10C8S10 is a 84% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 56%.

Frequently Compared With BS 970 EN32M:
SAE J403 1118 IS 4432 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1126 SAE J403 1132 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
84%
MECHANICAL MATCH
0%
OVERALL
56%
Specifications
Property BS 970 EN32M IS 1570 (Part 3) 10C8S10
Standard BS 970:1955 IS 1570 (Part 3):1979
Category Free Machining Steel Free Machining Steel
C (%) 0.10-0.18 <=0.15
Si (%) 0.05-0.35 0.05-0.30
Mn (%) 0.90-1.20 0.60-0.90
S (%) 0.10-0.15 0.08-0.13
P (%) <=0.050 <=0.060
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN32M IS 1570 (Part 3) 10C8S10
Tensile Strength ≥494 MPa (32 tons/sq in, converted) 370-490 MPa
Elongation ≥20% >=24%
Condition Core, after heat treatment (lowest-strength condition of the standard) Hot rolled or normalized bars, billets and forgings (Table 2), ruling sections up to 150 mm
Typical Applications
BS 970 EN32M
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.
IS 1570 (Part 3) 10C8S10
Not documented
Can BS 970 EN32M Be Substituted With IS 1570 (Part 3) 10C8S10?
BS 970 EN32M and IS 1570 (Part 3) 10C8S10 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.
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BS 970 EN32M
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IS 1570 (Part 3) 10C8S10
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Frequently Asked Questions
What is the difference between BS 970 EN32M and IS 1570 (Part 3) 10C8S10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN32M be substituted with IS 1570 (Part 3) 10C8S10?
BS 970 EN32M and IS 1570 (Part 3) 10C8S10 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.