Strong Match — 95.1% match
based on chemical composition and mechanical property overlap.
SAE J403 1023 (SAE J403:2014) and AISI 1020 are both steel grades.
Both fall under the Carbon Steel category.
SAE J403 1023 is typically used for chemistry-only grade; product scope as listed in the composition notes, while AISI 1020 is commonly used for shafts, pins, keys, lightly stressed parts.
SAE J403 1023 is defined under SAE International, originating from United States, while AISI 1020 is defined under AISI, originating from United States.
As per chemical composition, SAE J403 1023 vs AISI 1020 is a 95.1% 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 95.1%.
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 1023
AISI 1020
Tensile Strength
Not specified
420–560 MPa
Elongation
Not specified
≥23%
Hardness
Not specified
≤149 HB
Typical Applications
SAE J403 1023
Chemistry-only grade; product scope as listed in the composition notes
AISI 1020
Shafts, pins, keys, lightly stressed parts
Can SAE J403 1023 Be Substituted With AISI 1020?
SAE J403 1023 and AISI 1020 overlap closely enough on chemistry and mechanical properties that AISI 1020 is often considered as a substitute for SAE J403 1023 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 SAE J403 1023 and AISI 1020?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SAE J403 1023 be substituted with AISI 1020?
SAE J403 1023 and AISI 1020 overlap closely enough on chemistry and mechanical properties that AISI 1020 is often considered as a substitute for SAE J403 1023 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.