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AISI 1030 vs SAE J403 1029

Strong Match — 93.1% match based on chemical composition and mechanical property overlap.

AISI 1030 and SAE J403 1029 (SAE J403:2001) are both steel grades. Both fall under the Carbon Steel category. AISI 1030 is typically used for shafts, axles, gears, general engineering, while SAE J403 1029 is commonly used for chemistry-only grade; product scope as listed in the composition notes. AISI 1030 is defined under AISI, originating from United States, while SAE J403 1029 is defined under SAE International, originating from United States.

As per chemical composition, AISI 1030 vs SAE J403 1029 is a 93.1% 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 93.1%.

Frequently Compared With AISI 1030:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15
Match Breakdown
CHEMISTRY MATCH
93.1%
MECHANICAL MATCH
No shared data
OVERALL
93.1%
Specifications
Property AISI 1030 SAE J403 1029
Standard AISI SAE J403:2001
Category Carbon Steel Carbon Steel
C (%) 0.28–0.34 0.25-0.31
Mn (%) 0.60–0.90 0.60-0.90
S (%) ≤0.050 <=0.050
P (%) ≤0.030 <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property AISI 1030 SAE J403 1029
Condition Hot Rolled Not specified
Tensile Strength 490-550 MPa Not specified
Yield Strength 280-320 MPa Not specified
Elongation 20-32% Not specified
Hardness 137-179 HB Not specified
Typical Applications
AISI 1030
Shafts, axles, gears, general engineering
SAE J403 1029
Chemistry-only grade; product scope as listed in the composition notes
Can AISI 1030 Be Substituted With SAE J403 1029?
AISI 1030 and SAE J403 1029 overlap closely enough on chemistry and mechanical properties that SAE J403 1029 is often considered as a substitute for AISI 1030 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
AISI 1030
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4300–7000 mm (169.29–275.59 in)
SAE J403 1029
No active listings currently.
On M-EX Right Now
AISI 1030
3 active listings and RFQs →
SAE J403 1029
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between AISI 1030 and SAE J403 1029?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AISI 1030 be substituted with SAE J403 1029?
AISI 1030 and SAE J403 1029 overlap closely enough on chemistry and mechanical properties that SAE J403 1029 is often considered as a substitute for AISI 1030 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.