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EN 10025-5 S355K2W vs CSA G40.21 260WT

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

EN 10025-5 S355K2W (EN 10025-5:2019) and CSA G40.21 260WT (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. EN 10025-5 S355K2W is defined under European Standard (EN), originating from Europe, while CSA G40.21 260WT is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, EN 10025-5 S355K2W vs CSA G40.21 260WT is a 79.6% match. As per mechanical properties, the match is 1.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-5 S355K2W:
EN 10025-5 S355J2WP EN 10025-5 S355J0W EN 10025-5 S355J5W EN 10025-5 S420J2W EN 10025-5 S420K2W EN 10025-5 S355J2W ASTM A588 ASTM A709 Grade HPS 70W AS/NZS 3678 Grade 350WR EN 10025-5 S235J0W EN 10025-5 S235J2W EN 10025-5 S355J0WP
Match Breakdown
CHEMISTRY MATCH
79.6%
MECHANICAL MATCH
1.3%
OVERALL
35%
Specifications
Property EN 10025-5 S355K2W CSA G40.21 260WT
Standard EN 10025-5:2019 CSA G40.21-13 (R2023)
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.16 <=0.20
Si (%) <=0.50 <=0.40
Mn (%) 0.50-1.50 <=1.35
P (%) <=0.030 <=0.035
S (%) <=0.030 <=0.035
Cr (%) 0.40-0.80 0.40-0.65
Cu (%) 0.25-0.55 0.20-0.40
Ni (%) Not specified <=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 EN 10025-5 S355K2W CSA G40.21 260WT
Tensile Strength 470-630 MPa 380-480 MPa
Yield Strength >=355 MPa 260 MPa min
Elongation >=22% 23% 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
Impact Not specified 27J at -20°C
Typical Applications
EN 10025-5 S355K2W
Not documented
CSA G40.21 260WT
Weldable structural steel with guaranteed Charpy V-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service
Key Differences
Can EN 10025-5 S355K2W Be Substituted With CSA G40.21 260WT?
EN 10025-5 S355K2W 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
EN 10025-5 S355K2W
No active listings currently.
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
EN 10025-5 S355K2W
0 active listings and RFQs →
CSA G40.21 260WT
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-5 S355K2W and CSA G40.21 260WT?
CSA G40.21 260WT specifies Ni which is not specified for EN 10025-5 S355K2W.
Can EN 10025-5 S355K2W be substituted with CSA G40.21 260WT?
EN 10025-5 S355K2W 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.