Post Stock Login Register

JIS G3114 SMA400 vs CSA G40.21 260WT

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

JIS G3114 SMA400 (JIS G 3114:2022) and CSA G40.21 260WT (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 260WT is commonly used for weldable structural steel with guaranteed charpy v-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service. JIS G3114 SMA400 is defined under Japanese Industrial Standards (JIS), originating from Japan, while CSA G40.21 260WT is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, JIS G3114 SMA400 vs CSA G40.21 260WT 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 JIS G3114 SMA400:
EN 10025-5 S355J2W AS/NZS 3678 Grade 350WR CSA G40.21 350A ASTM A588 Grade A ASTM A588 EN 10025-5 S355J0WP EN 10025-5 S355J2WP ASTM A709 Grade HPS 70W CSA G40.21 50W ASTM A588 Grade B CSA G40.21 480A EN 10025-5 S235J2W
Match Breakdown
CHEMISTRY MATCH
77.9%
MECHANICAL MATCH
16.7%
OVERALL
57.5%
Specifications
Property JIS G3114 SMA400 CSA G40.21 260WT
Standard JIS G 3114:2022 CSA G40.21-13 (R2023)
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) 0.18 max <=0.20
Si (%) 0.35-0.75 <=0.40
Mn (%) 0.60-1.40 <=1.35
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 <=0.40
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 260WT
Tensile Strength 400-540 MPa 380-480 MPa
Yield Strength 245 MPa min 260 MPa min
Elongation 17% min 23% min
Hardness 120-170 HB Not specified
Impact Not specified 27J at -20°C
Typical Applications
JIS G3114 SMA400
Used in bridges, transmission towers, railway wagons, containers, and structural frameworks.
CSA G40.21 260WT
Weldable structural steel with guaranteed Charpy V-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service
Can JIS G3114 SMA400 Be Substituted With CSA G40.21 260WT?
JIS G3114 SMA400 and CSA G40.21 260WT 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 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)
On M-EX Right Now
JIS G3114 SMA400
2 active listings and RFQs →
CSA G40.21 260WT
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G3114 SMA400 and CSA G40.21 260WT?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G3114 SMA400 be substituted with CSA G40.21 260WT?
JIS G3114 SMA400 and CSA G40.21 260WT 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.