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EN 10025-2 S275 vs CSA G40.21 400A

Related Material — 64.5% match based on chemical composition and mechanical property overlap.

EN 10025-2 S275 (EN 10025-2:2019) and CSA G40.21 400A (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. EN 10025-2 S275 is typically used for structural beams, columns, bridges, general fabrication, while CSA G40.21 400A is commonly used for atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed. EN 10025-2 S275 is defined under European Standard (EN), originating from Europe, while CSA G40.21 400A is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, EN 10025-2 S275 vs CSA G40.21 400A is a 94.2% match. As per mechanical properties, the match is 5.1%. Combined, this makes them a related material overall at 64.5%.

Frequently Compared With EN 10025-2 S275:
CSA G40.21 260W IS 2062 E165 GOST 19281 09G2S CSA G40.21 300W CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80 ASTM A572 Gr.65
Other Structural Steel Grades to Compare With EN 10025-2 S275:
AS/NZS 3679.1 300 AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 480W
Match Breakdown
CHEMISTRY MATCH
94.2%
MECHANICAL MATCH
5.1%
OVERALL
64.5%
Specifications
Property EN 10025-2 S275 CSA G40.21 400A
Standard EN 10025-2:2019 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) 0-0.25 <=0.23
Mn (%) 0-1.5 <=1.60
Si (%) 0-0.5 <=0.40
P (%) max 0.04 <=0.035
S (%) max 0.04 <=0.035
Cu (%) Not specified 0.20-0.40
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10025-2 S275 CSA G40.21 400A
Yield Strength 275 MPa min (t<=16mm) 400 MPa min
Tensile Strength 410-560 MPa 520-670 MPa
Elongation 23% min 17% min
Impact Not specified 27J at 0°C
Typical Applications
EN 10025-2 S275
Structural beams, columns, bridges, general fabrication
CSA G40.21 400A
Atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed
Key Differences
Can EN 10025-2 S275 Be Substituted With CSA G40.21 400A?
EN 10025-2 S275 and CSA G40.21 400A 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 10025-2 S275
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5000–5000 mm (196.85–196.85 in)
CSA G40.21 400A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–4200 mm (110.24–165.35 in)
On M-EX Right Now
EN 10025-2 S275
2 active listings and RFQs →
CSA G40.21 400A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-2 S275 and CSA G40.21 400A?
CSA G40.21 400A specifies Cu which is not specified for EN 10025-2 S275.
Can EN 10025-2 S275 be substituted with CSA G40.21 400A?
EN 10025-2 S275 and CSA G40.21 400A 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.