Related Material — 69.7% match
based on chemical composition and mechanical property overlap.
BS 970 EN7 (BS 970:1955) and IS 4432 10C8S10 (IS 4432:1988) are both steel grades.
Both fall under the Free Machining Steel category.
BS 970 EN7 is typically used for bright bars for machining. a semi-free cutting modification of en 6 for certain restricted applications., while IS 4432 10C8S10 is commonly used for forgings and fabrication of case-hardened machine or automobile parts.
BS 970 EN7 is defined under British Standards (BS), originating from United Kingdom, while IS 4432 10C8S10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, BS 970 EN7 vs IS 4432 10C8S10 is a 78.4% match.
As per mechanical properties, the match is 52.3%.
Combined, this makes them a related material overall at 69.7%.
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 EN7
IS 4432 10C8S10
Tensile Strength
463-618 MPa (30-40 tons/sq in, converted)
Not specified
Elongation
≥12%
Not specified
Condition
size (diameter or width across flats) Over 1 3/4 to 2 1/2 in (lowest-strength condition of the standard)
Not specified
Core Tensile Strength
Not specified
600-850 MPa (16 mm) / 550-800 MPa (30 mm)
Core Yield Strength
Not specified
>=400 MPa (16 mm) / >=330 MPa (30 mm)
Core Elongation
Not specified
>=12% (16 mm) / >=14% (30 mm)
Core Reduction of Area
Not specified
>=35% (16 mm) / >=40% (30 mm)
Hardness, annealed (A)
Not specified
<=150 HB
Typical Applications
BS 970 EN7
Bright bars for machining. A semi-free cutting modification of En 6 for certain restricted applications.
IS 4432 10C8S10
Forgings and fabrication of case-hardened machine or automobile parts
Can BS 970 EN7 Be Substituted With IS 4432 10C8S10?
BS 970 EN7 and IS 4432 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.
What is the difference between BS 970 EN7 and IS 4432 10C8S10?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN7 be substituted with IS 4432 10C8S10?
BS 970 EN7 and IS 4432 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.