Strong Match — 90.2% match
based on chemical composition and mechanical property overlap.
IS 4432 10C4 (IS 4432:1988) and SAE J403 1009 (SAE J403:2001) are both steel grades.
Both fall under the Carbon Steel category.
IS 4432 10C4 is typically used for forgings and fabrication of case-hardened machine or automobile parts, while SAE J403 1009 is commonly used for chemistry-only grade; product scope as listed in the composition notes.
IS 4432 10C4 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1009 is defined under SAE International, originating from United States.
As per chemical composition, IS 4432 10C4 vs SAE J403 1009 is a 90.2% 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 90.2%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 4432 10C4
SAE J403 1009
Core Tensile Strength
550-800 MPa (16 mm) / 500-650 MPa (30 mm)
Not specified
Core Yield Strength
>=330 MPa (16 mm) / >=300 MPa (30 mm)
Not specified
Core Elongation
>=13% (16 mm) / >=16% (30 mm)
Not specified
Core Reduction of Area
>=40% (16 mm) / >=45% (30 mm)
Not specified
Hardness, annealed (A)
<=131 HB
Not specified
Typical Applications
IS 4432 10C4
Forgings and fabrication of case-hardened machine or automobile parts
SAE J403 1009
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
IS 4432 10C4 specifies Si which is not specified for SAE J403 1009.
Can IS 4432 10C4 Be Substituted With SAE J403 1009?
IS 4432 10C4 and SAE J403 1009 overlap closely enough on chemistry and mechanical properties that SAE J403 1009 is often considered as a substitute for IS 4432 10C4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 4432 10C4 and SAE J403 1009?
IS 4432 10C4 specifies Si which is not specified for SAE J403 1009.
Can IS 4432 10C4 be substituted with SAE J403 1009?
IS 4432 10C4 and SAE J403 1009 overlap closely enough on chemistry and mechanical properties that SAE J403 1009 is often considered as a substitute for IS 4432 10C4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.