Close Alternative — 76.7% match
based on chemical composition and mechanical property overlap.
SAE J403 1215 (SAE J403:2014) and IS 4432 10C8S10 (IS 4432:1988) are both steel grades.
Both fall under the Free Machining Steel category.
SAE J403 1215 is typically used for chemistry-only grade; product scope as listed in the composition notes, while IS 4432 10C8S10 is commonly used for forgings and fabrication of case-hardened machine or automobile parts.
SAE J403 1215 is defined under SAE International, originating from United States, while IS 4432 10C8S10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, SAE J403 1215 vs IS 4432 10C8S10 is a 76.7% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a close alternative overall at 76.7%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
SAE J403 1215
IS 4432 10C8S10
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
SAE J403 1215
Chemistry-only grade; product scope as listed in the composition notes
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 SAE J403 1215.
Can SAE J403 1215 Be Substituted With IS 4432 10C8S10?
SAE J403 1215 and IS 4432 10C8S10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between SAE J403 1215 and IS 4432 10C8S10?
IS 4432 10C8S10 specifies Si which is not specified for SAE J403 1215.
Can SAE J403 1215 be substituted with IS 4432 10C8S10?
SAE J403 1215 and IS 4432 10C8S10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.