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CSA G40.21 350A vs EN 10025-5 S355J2W

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

CSA G40.21 350A (CSA G40.21-13 (R2023)) and EN 10025-5 S355J2W (EN 10025-5:2019) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. CSA G40.21 350A is typically used for exposed structural steelwork, bridges, retaining walls, coastal infrastructure, architectural facades., while EN 10025-5 S355J2W is commonly used for used for bridges, rail wagons, architectural structures, containers, transmission towers, and outdoor steelwork.. CSA G40.21 350A is defined under Canadian Standards Association (CSA), originating from Canada, while EN 10025-5 S355J2W is defined under European Standard (EN), originating from Europe.

As per chemical composition, CSA G40.21 350A vs EN 10025-5 S355J2W is a 79.3% match. As per mechanical properties, the match is 41.7%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With CSA G40.21 350A:
ASTM A588 AS/NZS 3678 Grade 350WR EN 10025-5 S355J2WP CSA G40.21 260WT CSA G40.21 50W EN 10025-5 S355J0WP JIS G3114 SMA400 ASTM A588 Grade A ASTM A709 Grade HPS 70W CSA G40.21 480A EN 10025-5 S235J2W ASTM A588 Grade B
Match Breakdown
CHEMISTRY MATCH
79.3%
MECHANICAL MATCH
41.7%
OVERALL
35%
Specifications
Property CSA G40.21 350A EN 10025-5 S355J2W
Standard CSA G40.21-13 (R2023) EN 10025-5:2019
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) max 0.19 <=0.16
Mn (%) max 1.35 0.50-1.50
Si (%) max 0.65 <=0.50
P (%) max 0.035 <=0.030
S (%) max 0.035 <=0.030
Cu (%) 0.25-0.4 0.25-0.55
Cr (%) 0.4-0.65 0.40-0.80
Ni (%) 0.4-0.7 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 350A EN 10025-5 S355J2W
Yield Strength 350 MPa min >=355 MPa
Tensile Strength 480-650 MPa 470-630 MPa
Elongation Not specified >=22%
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 350A
Exposed structural steelwork, bridges, retaining walls, coastal infrastructure, architectural facades.
EN 10025-5 S355J2W
Used for bridges, rail wagons, architectural structures, containers, transmission towers, and outdoor steelwork.
Key Differences
Can CSA G40.21 350A Be Substituted With EN 10025-5 S355J2W?
CSA G40.21 350A and EN 10025-5 S355J2W 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 350A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3300–3400 mm (129.92–133.86 in)
EN 10025-5 S355J2W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–4400 mm (114.17–173.23 in)
On M-EX Right Now
CSA G40.21 350A
2 active listings and RFQs →
EN 10025-5 S355J2W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 350A and EN 10025-5 S355J2W?
CSA G40.21 350A specifies Ni which is not specified for EN 10025-5 S355J2W.
Can CSA G40.21 350A be substituted with EN 10025-5 S355J2W?
CSA G40.21 350A and EN 10025-5 S355J2W 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.