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EN 10025-5 S355J2WP vs CSA G40.21 50W

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

EN 10025-5 S355J2WP (EN 10025-5:2019) and CSA G40.21 50W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. EN 10025-5 S355J2WP is typically used for high-phosphorus weathering steel for enhanced patina formation, improved low-temperature toughness; containers, smokestacks, freight wagons, silos, pylons, bridges, architectural exposed structures, while CSA G40.21 50W is commonly used for bridges, architectural structures, transmission towers, outdoor exposed structures, railway wagons.. EN 10025-5 S355J2WP is defined under European Standard (EN), originating from Europe, while CSA G40.21 50W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, EN 10025-5 S355J2WP vs CSA G40.21 50W is a 71.7% match. As per mechanical properties, the match is 26%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-5 S355J2WP:
CSA G40.21 350A EN 10025-5 S355J2W EN 10025-5 S355J0WP ASTM A588 Grade A AS/NZS 3678 Grade 350WR ASTM A588 JIS G3114 SMA400 EN 10025-5 S235J2W CSA G40.21 260WT CSA G40.21 480A ASTM A709 Grade HPS 70W ASTM A588 Grade B
Match Breakdown
CHEMISTRY MATCH
71.7%
MECHANICAL MATCH
26%
OVERALL
35%
Specifications
Property EN 10025-5 S355J2WP CSA G40.21 50W
Standard EN 10025-5:2019 CSA G40.21-13 (R2023)
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.12 max 0.19
Si (%) <=0.75 max 0.65
Mn (%) <=1.0 max 1.35
P (%) 0.06-0.15 max 0.035
S (%) <=0.030 max 0.035
Cr (%) 0.30-1.25 0.4-0.65
Cu (%) 0.25-0.55 0.25-0.4
Ni (%) Not specified 0.4-0.7
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10025-5 S355J2WP CSA G40.21 50W
Tensile Strength 470-630 MPa 450-655 MPa (65-95 ksi)
Yield Strength >=355 MPa 345 MPa (50 ksi) min
Elongation >=22% 19% min
Condition 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 Not specified
Typical Applications
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
CSA G40.21 50W
Bridges, architectural structures, transmission towers, outdoor exposed structures, railway wagons.
Key Differences
Can EN 10025-5 S355J2WP Be Substituted With CSA G40.21 50W?
EN 10025-5 S355J2WP and CSA G40.21 50W 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
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)
CSA G40.21 50W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–4300 mm (106.3–169.29 in)
On M-EX Right Now
EN 10025-5 S355J2WP
2 active listings and RFQs →
CSA G40.21 50W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-5 S355J2WP and CSA G40.21 50W?
CSA G40.21 50W specifies Ni which is not specified for EN 10025-5 S355J2WP.
Can EN 10025-5 S355J2WP be substituted with CSA G40.21 50W?
EN 10025-5 S355J2WP and CSA G40.21 50W 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.