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CSA G40.21 260WT vs JIS G3114 SMA400

Related Material — 57.5% match based on chemical composition and mechanical property overlap.

CSA G40.21 260WT (CSA G40.21-13 (R2023)) and JIS G3114 SMA400 (JIS G 3114:2022) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. CSA G40.21 260WT is typically used for weldable structural steel with guaranteed charpy v-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service, while JIS G3114 SMA400 is commonly used for used in bridges, transmission towers, railway wagons, containers, and structural frameworks.. CSA G40.21 260WT is defined under Canadian Standards Association (CSA), originating from Canada, while JIS G3114 SMA400 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, CSA G40.21 260WT vs JIS G3114 SMA400 is a 77.9% match. As per mechanical properties, the match is 16.7%. Combined, this makes them a related material overall at 57.5%.

Frequently Compared With CSA G40.21 260WT:
CSA G40.21 350A CSA G40.21 50W ASTM A588 Grade A ASTM A588 EN 10025-5 S355J2W AS/NZS 3678 Grade 350WR EN 10025-5 S355J0WP EN 10025-5 S355J2WP ASTM A588 Grade B ASTM A709 Grade HPS 70W EN 10025-5 S235J2W CSA G40.21 480A
Match Breakdown
CHEMISTRY MATCH
77.9%
MECHANICAL MATCH
16.7%
OVERALL
57.5%
Specifications
Property CSA G40.21 260WT JIS G3114 SMA400
Standard CSA G40.21-13 (R2023) JIS G 3114:2022
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.20 0.18 max
Mn (%) <=1.35 0.60-1.40
Si (%) <=0.40 0.35-0.75
P (%) <=0.035 0.035 max
S (%) <=0.035 0.035 max
Cu (%) 0.20-0.40 0.20-0.50
Cr (%) 0.40-0.65 0.30-1.25
Ni (%) <=0.40 0.20-0.65
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property CSA G40.21 260WT JIS G3114 SMA400
Tensile Strength 380-480 MPa 400-540 MPa
Yield Strength 260 MPa min 245 MPa min
Elongation 23% min 17% min
Impact 27J at -20°C Not specified
Hardness Not specified 120-170 HB
Typical Applications
CSA G40.21 260WT
Weldable structural steel with guaranteed Charpy V-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service
JIS G3114 SMA400
Used in bridges, transmission towers, railway wagons, containers, and structural frameworks.
Can CSA G40.21 260WT Be Substituted With JIS G3114 SMA400?
CSA G40.21 260WT and JIS G3114 SMA400 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
CSA G40.21 260WT
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2600–2900 mm (102.36–114.17 in)
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)
On M-EX Right Now
CSA G40.21 260WT
2 active listings and RFQs →
JIS G3114 SMA400
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 260WT and JIS G3114 SMA400?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can CSA G40.21 260WT be substituted with JIS G3114 SMA400?
CSA G40.21 260WT and JIS G3114 SMA400 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.