JIS G3114 SMA400 vs CSA G40.21 480A

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

JIS G3114 SMA400 (JIS G 3114:2022) and CSA G40.21 480A (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. JIS G3114 SMA400 is typically used for used in bridges, transmission towers, railway wagons, containers, and structural frameworks., while CSA G40.21 480A is commonly used for high-strength atmospheric corrosion-resistant (weathering) structural steel; heavy exposed structural members, bridge girders. JIS G3114 SMA400 is defined under Japanese Industrial Standards (JIS), originating from Japan, while CSA G40.21 480A is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, JIS G3114 SMA400 vs CSA G40.21 480A is a 74.4% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G3114 SMA400:
EN 10025-5 S355J2W AS/NZS 3678 Grade 350WR CSA G40.21 350A ASTM A588 ASTM A588 Grade A EN 10025-5 S355J0WP CSA G40.21 260WT EN 10025-5 S355J2WP ASTM A709 Grade HPS 70W CSA G40.21 50W ASTM A588 Grade B EN 10025-5 S235J2W
Match Breakdown
CHEMISTRY MATCH
74.4%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G3114 SMA400 CSA G40.21 480A
Standard JIS G 3114:2022 CSA G40.21-13 (R2023)
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) 0.18 max <=0.23
Si (%) 0.35-0.75 <=0.40
Mn (%) 0.60-1.40 <=1.60
P (%) 0.035 max <=0.035
S (%) 0.035 max <=0.035
Cu (%) 0.20-0.50 0.20-0.40
Cr (%) 0.30-1.25 0.40-0.65
Ni (%) 0.20-0.65 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G3114 SMA400 CSA G40.21 480A
Tensile Strength 400-540 MPa 620-760 MPa
Yield Strength 245 MPa min 480 MPa min
Elongation 17% min 15% min
Hardness 120-170 HB Not specified
Impact Not specified 27J at 0°C
Typical Applications
JIS G3114 SMA400
Used in bridges, transmission towers, railway wagons, containers, and structural frameworks.
CSA G40.21 480A
High-strength atmospheric corrosion-resistant (weathering) structural steel; heavy exposed structural members, bridge girders
Key Differences
Can JIS G3114 SMA400 Be Substituted With CSA G40.21 480A?
JIS G3114 SMA400 and CSA G40.21 480A share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
JIS G3114 SMA400
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–4100 mm (110.24–161.42 in)
CSA G40.21 480A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3400 mm (98.43–133.86 in)
On M-EX Right Now
JIS G3114 SMA400
2 active listings and RFQs →
CSA G40.21 480A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G3114 SMA400 and CSA G40.21 480A?
JIS G3114 SMA400 specifies Ni which is not specified for CSA G40.21 480A.
Can JIS G3114 SMA400 be substituted with CSA G40.21 480A?
JIS G3114 SMA400 and CSA G40.21 480A share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.