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SAE J403 1055 vs AISI 1055

Strong Match — 98.9% match based on chemical composition and mechanical property overlap.

SAE J403 1055 (SAE J403:2009) and AISI 1055 are both steel grades. Both fall under the Carbon Steel category. SAE J403 1055 is typically used for chemistry-only grade; product scope as listed in the composition notes, while AISI 1055 is commonly used for springs, hand tools, high strength wire. SAE J403 1055 is defined under SAE International, originating from United States, while AISI 1055 is defined under AISI, originating from United States.

As per chemical composition, SAE J403 1055 vs AISI 1055 is a 98.9% 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 98.9%.

Frequently Compared With SAE J403 1055:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 070M55 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
98.9%
MECHANICAL MATCH
No shared data
OVERALL
98.9%
Specifications
Property SAE J403 1055 AISI 1055
Standard SAE J403:2009 AISI
Category Carbon Steel Carbon Steel
C (%) 0.50-0.60 0.50–0.60
Mn (%) 0.60-0.90 0.60–0.90
P (%) <=0.030 ≤0.030
S (%) <=0.050 ≤0.050
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 1055 AISI 1055
Condition Not specified Hot Rolled
Tensile Strength Not specified 700-750 MPa
Yield Strength Not specified 380-450 MPa
Elongation Not specified 12-16%
Hardness Not specified 197-220 HB
Typical Applications
SAE J403 1055
Chemistry-only grade; product scope as listed in the composition notes
AISI 1055
Springs, hand tools, high strength wire
Can SAE J403 1055 Be Substituted With AISI 1055?
SAE J403 1055 and AISI 1055 overlap closely enough on chemistry and mechanical properties that AISI 1055 is often considered as a substitute for SAE J403 1055 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
SAE J403 1055
No active listings currently.
AISI 1055
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6400–7000 mm (251.97–275.59 in)
On M-EX Right Now
SAE J403 1055
0 active listings and RFQs →
AISI 1055
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J403 1055 and AISI 1055?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SAE J403 1055 be substituted with AISI 1055?
SAE J403 1055 and AISI 1055 overlap closely enough on chemistry and mechanical properties that AISI 1055 is often considered as a substitute for SAE J403 1055 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.