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EN 10025-2 S250 vs CSA G40.21 400A

Related Material — 65% match based on chemical composition and mechanical property overlap.

EN 10025-2 S250 (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 S250 is typically used for used for fabricated structures, beams, support frames, machinery bases, towers, and construction components., 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 S250 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 S250 vs CSA G40.21 400A is a 95% match. As per mechanical properties, the match is 5.1%. Combined, this makes them a related material overall at 65%.

Frequently Compared With EN 10025-2 S250:
CSA G40.21 260W ASTM A283C CSA G40.21 400W CSA G40.21 480W CSA G40.21 300W AS/NZS 3679.1 300 ASTM A1008 SS Grade 80 GOST 19281 09G2S ASTM A1008 SS Grade 50 ASTM A572 Grade 50 AS/NZS 3679.1 350 CSA G40.21 350W
Match Breakdown
CHEMISTRY MATCH
95%
MECHANICAL MATCH
5.1%
OVERALL
65%
Specifications
Property EN 10025-2 S250 CSA G40.21 400A
Standard EN 10025-2:2019 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) 0.20 max <=0.23
Mn (%) 1.50 max <=1.60
Si (%) 0.40 max <=0.40
P (%) 0.040 max <=0.035
S (%) 0.040 max <=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 S250 CSA G40.21 400A
Tensile Strength 410-560 MPa 520-670 MPa
Yield Strength 250 MPa min 400 MPa min
Elongation 22-25% 17% min
Hardness 120-170 HB Not specified
Impact Not specified 27J at 0°C
Typical Applications
EN 10025-2 S250
Used for fabricated structures, beams, support frames, machinery bases, towers, and construction components.
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 S250 Be Substituted With CSA G40.21 400A?
EN 10025-2 S250 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 S250
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3300–3500 mm (129.92–137.8 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 S250
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 S250 and CSA G40.21 400A?
CSA G40.21 400A specifies Cu which is not specified for EN 10025-2 S250.
Can EN 10025-2 S250 be substituted with CSA G40.21 400A?
EN 10025-2 S250 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.