Related Material — 62.2% match
based on chemical composition and mechanical property overlap.
DIN 17111 35S20 (DIN 17111:1980) and IS 4432 10C8S10 (IS 4432:1988) are both steel grades.
Both fall under the Free Machining Steel category.
DIN 17111 35S20 is typically used for high volume turned parts, automotive components, while IS 4432 10C8S10 is commonly used for forgings and fabrication of case-hardened machine or automobile parts.
DIN 17111 35S20 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while IS 4432 10C8S10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, DIN 17111 35S20 vs IS 4432 10C8S10 is a 76.6% match.
As per mechanical properties, the match is 33.3%.
Combined, this makes them a related material overall at 62.2%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
DIN 17111 35S20
IS 4432 10C8S10
Tensile Strength
500–700 MPa
Not specified
Elongation
≥12%
Not specified
Hardness
152–207 HB
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
DIN 17111 35S20
High volume turned parts, automotive components
IS 4432 10C8S10
Forgings and fabrication of case-hardened machine or automobile parts
Key Differences
IS 4432 10C8S10 specifies Si which is not specified for DIN 17111 35S20.
Can DIN 17111 35S20 Be Substituted With IS 4432 10C8S10?
DIN 17111 35S20 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 DIN 17111 35S20 and IS 4432 10C8S10?
IS 4432 10C8S10 specifies Si which is not specified for DIN 17111 35S20.
Can DIN 17111 35S20 be substituted with IS 4432 10C8S10?
DIN 17111 35S20 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.