Strong Match — 88.3% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 27C15 (IS 11169 (Part 1):1984) and SAE J403 1527 (SAE J403:2014) are both steel grades.
Both fall under the Carbon Steel category.
IS 11169 (Part 1) 27C15 is typically used for manganese case-hardening steel; used for gears, shafts, and machine components requiring case hardening where higher core strength than plain carbon grades is needed, while SAE J403 1527 is commonly used for chemistry-only grade; product scope as listed in the composition notes.
IS 11169 (Part 1) 27C15 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J403 1527 is defined under SAE International, originating from United States.
As per chemical composition, IS 11169 (Part 1) 27C15 vs SAE J403 1527 is a 88.3% 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 88.3%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 11169 (Part 1) 27C15
SAE J403 1527
Hardness, annealed
<=190 HB
Not specified
Typical Applications
IS 11169 (Part 1) 27C15
Manganese case-hardening steel; used for gears, shafts, and machine components requiring case hardening where higher core strength than plain carbon grades is needed
SAE J403 1527
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
IS 11169 (Part 1) 27C15 specifies Si which is not specified for SAE J403 1527.
SAE J403 1527 specifies P, S which are not specified for IS 11169 (Part 1) 27C15.
Can IS 11169 (Part 1) 27C15 Be Substituted With SAE J403 1527?
IS 11169 (Part 1) 27C15 and SAE J403 1527 overlap closely enough on chemistry and mechanical properties that SAE J403 1527 is often considered as a substitute for IS 11169 (Part 1) 27C15 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 11169 (Part 1) 27C15 and SAE J403 1527?
IS 11169 (Part 1) 27C15 specifies Si which is not specified for SAE J403 1527. SAE J403 1527 specifies P, S which are not specified for IS 11169 (Part 1) 27C15.
Can IS 11169 (Part 1) 27C15 be substituted with SAE J403 1527?
IS 11169 (Part 1) 27C15 and SAE J403 1527 overlap closely enough on chemistry and mechanical properties that SAE J403 1527 is often considered as a substitute for IS 11169 (Part 1) 27C15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.