ASTM A105 vs ASTM A36

Close Alternative — 72.7% match based on chemical composition and mechanical property overlap.

ASTM A105 (ASTM A105) and ASTM A36 (ASTM A36) are both steel grades. Both fall under the Carbon Steel category. ASTM A105 is typically used for flanges, fittings, valves, pressure piping components, forged pressure vessel parts, while ASTM A36 is commonly used for structural fabrication, bridges, buildings, machinery parts, flanges. ASTM A105 is defined under ASTM International, originating from United States, while ASTM A36 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A105 vs ASTM A36 is a 92.4% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a close alternative overall at 72.7%.

Frequently Compared With ASTM A105:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 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 3) 045M10 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
92.4%
MECHANICAL MATCH
33.3%
OVERALL
72.7%
Specifications
Property ASTM A105 ASTM A36
Standard ASTM A105 ASTM A36
Category Carbon Steel Carbon Steel
C (%) ≤0.35 ≤0.26
Mn (%) 0.60–1.05 ≤1.20
Si (%) 0.10–0.35 0.15–0.40
P (%) ≤0.035 ≤0.040
S (%) ≤0.040 ≤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 ASTM A105 ASTM A36
Tensile Strength 485 MPa min 400–550 MPa
Yield Strength 250 MPa min 250 MPa min
Elongation ≥22% ≥23%
Hardness ≤197 HB Not specified
Typical Applications
ASTM A105
Flanges, fittings, valves, pressure piping components, forged pressure vessel parts
ASTM A36
Structural fabrication, bridges, buildings, machinery parts, flanges
Can ASTM A105 Be Substituted With ASTM A36?
ASTM A105 and ASTM A36 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
ASTM A105
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6100–7000 mm (240.16–275.59 in)
ASTM A36
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5600–6500 mm (220.47–255.91 in)
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
ASTM A105
2 active listings and RFQs →
ASTM A36
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A105 and ASTM A36?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A105 be substituted with ASTM A36?
ASTM A105 and ASTM A36 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.