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BS 970 EN1A Leaded vs IS 1570 (Part 3) 10C8S10

Minimal Match — 49.8% match based on chemical composition and mechanical property overlap.

BS 970 EN1A Leaded (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 EN1A Leaded 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 EN1A Leaded vs IS 1570 (Part 3) 10C8S10 is a 74.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 49.8%.

Frequently Compared With BS 970 EN1A Leaded:
SAE J403 1117 SAE J403 1118 SAE J403 1117 SAE J403 1126 SAE J403 1117 SAE J403 1126 SAE J403 1118 SAE J403 1126 IS 4432 10C8S10 SAE J403 1132 SAE J403 1118 SAE J403 1141
Match Breakdown
CHEMISTRY MATCH
74.6%
MECHANICAL MATCH
0%
OVERALL
49.8%
Specifications
Property BS 970 EN1A Leaded IS 1570 (Part 3) 10C8S10
Standard BS 970:1955 IS 1570 (Part 3):1979
Category Free Machining Steel Free Machining Steel
C (%) 0.07–0.15 <=0.15
Mn (%) 0.80–1.20 0.60-0.90
S (%) 0.20–0.30 0.08-0.13
Pb (%) 0.15–0.35 Not specified
Si (%) Not specified 0.05-0.30
P (%) Not specified <=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 EN1A Leaded IS 1570 (Part 3) 10C8S10
Tensile Strength 380–490 MPa 370-490 MPa
Elongation ≥20% >=24%
Hardness ≤152 HB Not specified
Condition Not specified Hot rolled or normalized bars, billets and forgings (Table 2), ruling sections up to 150 mm
Typical Applications
BS 970 EN1A Leaded
High speed automatic machining, precision parts
IS 1570 (Part 3) 10C8S10
Not documented
Key Differences
Can BS 970 EN1A Leaded Be Substituted With IS 1570 (Part 3) 10C8S10?
BS 970 EN1A Leaded 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.
Forms & Sizes Available on M-EX
BS 970 EN1A Leaded
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 2700–3800 mm (106.3–149.61 in)
IS 1570 (Part 3) 10C8S10
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On M-EX Right Now
BS 970 EN1A Leaded
3 active listings and RFQs →
IS 1570 (Part 3) 10C8S10
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN1A Leaded and IS 1570 (Part 3) 10C8S10?
BS 970 EN1A Leaded specifies Pb which is not specified for IS 1570 (Part 3) 10C8S10. IS 1570 (Part 3) 10C8S10 specifies Si, P which are not specified for BS 970 EN1A Leaded.
Can BS 970 EN1A Leaded be substituted with IS 1570 (Part 3) 10C8S10?
BS 970 EN1A Leaded 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.