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CSA G40.21 480A vs EN 10025-5 S355J2WP

Minimal Match — 50.9% match based on chemical composition and mechanical property overlap.

CSA G40.21 480A (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 480A is typically used for high-strength atmospheric corrosion-resistant (weathering) structural steel; heavy exposed structural members, bridge girders, 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 480A 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 480A vs EN 10025-5 S355J2WP is a 75.8% match. As per mechanical properties, the match is 1.1%. Combined, this makes them a minimal match overall at 50.9%.

Frequently Compared With CSA G40.21 480A:
EN 10025-5 S355J2W CSA G40.21 350A ASTM A588 Grade A EN 10025-5 S355J0WP CSA G40.21 50W ASTM A588 JIS G3114 SMA400 AS/NZS 3678 Grade 350WR ASTM A588 Grade B CSA G40.21 260WT ASTM A709 Grade HPS 70W EN 10025-5 S235J2W
Match Breakdown
CHEMISTRY MATCH
75.8%
MECHANICAL MATCH
1.1%
OVERALL
50.9%
Specifications
Property CSA G40.21 480A EN 10025-5 S355J2WP
Standard CSA G40.21-13 (R2023) EN 10025-5:2019
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.23 <=0.12
Mn (%) <=1.60 <=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
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 480A EN 10025-5 S355J2WP
Tensile Strength 620-760 MPa 470-630 MPa
Yield Strength 480 MPa min >=355 MPa
Elongation 15% min >=22%
Impact 27J at 0°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 480A
High-strength atmospheric corrosion-resistant (weathering) structural steel; heavy exposed structural members, bridge girders
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
Can CSA G40.21 480A Be Substituted With EN 10025-5 S355J2WP?
CSA G40.21 480A 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 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)
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 480A
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 480A and EN 10025-5 S355J2WP?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can CSA G40.21 480A be substituted with EN 10025-5 S355J2WP?
CSA G40.21 480A 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.