Post Stock Login Register

CSA G40.21 260WT vs EN 10025-5 S355J2WP

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

CSA G40.21 260WT (CSA G40.21-13 (R2023)) and EN 10025-5 S355J2WP (EN 10025-5:2019) 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 EN 10025-5 S355J2WP is commonly used for high-phosphorus weathering steel for enhanced patina formation, improved low-temperature toughness; containers, smokestacks, freight wagons, silos, pylons, bridges, architectural exposed structures. CSA G40.21 260WT is defined under Canadian Standards Association (CSA), originating from Canada, while EN 10025-5 S355J2WP is defined under European Standard (EN), originating from Europe.

As per chemical composition, CSA G40.21 260WT vs EN 10025-5 S355J2WP is a 70.1% match. As per mechanical properties, the match is 1.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With CSA G40.21 260WT:
CSA G40.21 350A CSA G40.21 50W ASTM A588 Grade A ASTM A588 AS/NZS 3678 Grade 350WR EN 10025-5 S355J2W JIS G3114 SMA400 EN 10025-5 S355J0WP ASTM A588 Grade B ASTM A709 Grade HPS 70W EN 10025-5 S235J2W CSA G40.21 480A
Match Breakdown
CHEMISTRY MATCH
70.1%
MECHANICAL MATCH
1.3%
OVERALL
35%
Specifications
Property CSA G40.21 260WT EN 10025-5 S355J2WP
Standard CSA G40.21-13 (R2023) EN 10025-5:2019
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.20 <=0.12
Mn (%) <=1.35 <=1.0
Si (%) <=0.40 <=0.75
P (%) <=0.035 0.06-0.15
S (%) <=0.035 <=0.030
Cu (%) 0.20-0.40 0.25-0.55
Cr (%) 0.40-0.65 0.30-1.25
Ni (%) <=0.40 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 CSA G40.21 260WT EN 10025-5 S355J2WP
Tensile Strength 380-480 MPa 470-630 MPa
Yield Strength 260 MPa min >=355 MPa
Elongation 23% min >=22%
Impact 27J at -20°C Not specified
Condition Not specified Nominal thickness up to 16 mm for yield, 3 to 100 mm for tensile, 3 to 40 mm for elongation (Lo = 5.65 sqrt(S0), longitudinal); transverse values are lower, see blocks
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
EN 10025-5 S355J2WP
High-phosphorus weathering steel for enhanced patina formation, improved low-temperature toughness; containers, smokestacks, freight wagons, silos, pylons, bridges, architectural exposed structures
Key Differences
Can CSA G40.21 260WT Be Substituted With EN 10025-5 S355J2WP?
CSA G40.21 260WT and EN 10025-5 S355J2WP 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)
EN 10025-5 S355J2WP
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3900–4200 mm (153.54–165.35 in)
On M-EX Right Now
CSA G40.21 260WT
2 active listings and RFQs →
EN 10025-5 S355J2WP
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 260WT and EN 10025-5 S355J2WP?
CSA G40.21 260WT specifies Ni which is not specified for EN 10025-5 S355J2WP.
Can CSA G40.21 260WT be substituted with EN 10025-5 S355J2WP?
CSA G40.21 260WT and EN 10025-5 S355J2WP 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.