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BS 970 EN43D vs IS 1875 Class 6

Strong Match — 87.6% match based on chemical composition and mechanical property overlap.

BS 970 EN43D (BS 970:1955) and IS 1875 Class 6 (IS 1875:1992) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN43D is defined under British Standards (BS), originating from United Kingdom, while IS 1875 Class 6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN43D vs IS 1875 Class 6 is a 87.6% 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 87.6%.

Frequently Compared With BS 970 EN43D:
BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40 BS 970 (Part 1) 060A45 BS 970 (Part 1) 060A62 BS 970 (Part 1) 040A12
Match Breakdown
CHEMISTRY MATCH
87.6%
MECHANICAL MATCH
No shared data
OVERALL
87.6%
Specifications
Property BS 970 EN43D IS 1875 Class 6
Standard BS 970:1955 IS 1875:1992
Category Carbon Steel Carbon Steel
C (%) 0.60-0.65 0.60-0.70
Si (%) 0.05-0.35 0.15-0.35
Mn (%) 0.40-0.60 0.50-0.80
S (%) <=0.060 <=0.04
P (%) <=0.060 <=0.04
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 EN43D IS 1875 Class 6
Tensile Strength Not specified 740 MPa min
Yield Strength Not specified 370 MPa min
Elongation Not specified >=10%
Hardness Not specified 210 HB min
Condition Not specified as rolled or as forged and normalised, ruling section up to 100 mm
Normalising Temperature Not specified 800-830 °C (for information)
Typical Applications
BS 970 EN43D
Not documented
IS 1875 Class 6
Billets, blooms, slabs and bars for general engineering forgings
Can BS 970 EN43D Be Substituted With IS 1875 Class 6?
BS 970 EN43D and IS 1875 Class 6 overlap closely enough on chemistry and mechanical properties that IS 1875 Class 6 is often considered as a substitute for BS 970 EN43D in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 EN43D
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IS 1875 Class 6
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Frequently Asked Questions
What is the difference between BS 970 EN43D and IS 1875 Class 6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN43D be substituted with IS 1875 Class 6?
BS 970 EN43D and IS 1875 Class 6 overlap closely enough on chemistry and mechanical properties that IS 1875 Class 6 is often considered as a substitute for BS 970 EN43D in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.