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SAE J403 1049 vs AISI 1050

Strong Match — 95% match based on chemical composition and mechanical property overlap.

SAE J403 1049 (SAE J403:2001) and AISI 1050 are both steel grades. Both fall under the Carbon Steel category. SAE J403 1049 is typically used for chemistry-only grade; product scope as listed in the composition notes, while AISI 1050 is commonly used for used for gears, shafts, hand tools, springs, agricultural implements, and machine components.. SAE J403 1049 is defined under SAE International, originating from United States, while AISI 1050 is defined under AISI, originating from United States.

As per chemical composition, SAE J403 1049 vs AISI 1050 is a 95% 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%.

Frequently Compared With SAE J403 1049:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045M10
Match Breakdown
CHEMISTRY MATCH
95%
MECHANICAL MATCH
No shared data
OVERALL
95%
Specifications
Property SAE J403 1049 AISI 1050
Standard SAE J403:2001 AISI
Category Carbon Steel Carbon Steel
C (%) 0.46-0.53 0.48-0.55
Mn (%) 0.60-0.90 0.60-0.90
P (%) <=0.030 ≤0.030
S (%) <=0.050 0.050 max
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 1049 AISI 1050
Condition Not specified Hot Rolled
Tensile Strength Not specified 590-660 MPa
Yield Strength Not specified 310-380 MPa
Elongation Not specified 15-20%
Hardness Not specified 170-197 HB
Typical Applications
SAE J403 1049
Chemistry-only grade; product scope as listed in the composition notes
AISI 1050
Used for gears, shafts, hand tools, springs, agricultural implements, and machine components.
Can SAE J403 1049 Be Substituted With AISI 1050?
SAE J403 1049 and AISI 1050 overlap closely enough on chemistry and mechanical properties that AISI 1050 is often considered as a substitute for SAE J403 1049 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 1049
No active listings currently.
AISI 1050
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5300–7000 mm (208.66–275.59 in)
On M-EX Right Now
SAE J403 1049
0 active listings and RFQs →
AISI 1050
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J403 1049 and AISI 1050?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SAE J403 1049 be substituted with AISI 1050?
SAE J403 1049 and AISI 1050 overlap closely enough on chemistry and mechanical properties that AISI 1050 is often considered as a substitute for SAE J403 1049 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.