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EN 10025-2 S355JR vs CSA G40.21 400A

Related Material — 68.8% match based on chemical composition and mechanical property overlap.

EN 10025-2 S355JR (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 S355JR is typically used for heavy structural work, pressure vessels, offshore structures, 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 S355JR 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 S355JR vs CSA G40.21 400A is a 94.1% match. As per mechanical properties, the match is 18.3%. Combined, this makes them a related material overall at 68.8%.

Frequently Compared With EN 10025-2 S355JR:
CSA G40.21 260W CSA G40.21 350W CSA G40.21 480W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80 ASTM A283C GOST 19281 09G2S AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 ASTM A572 Gr.65
Other Structural Steel Grades to Compare With EN 10025-2 S355JR:
CSA G40.21 400W
Match Breakdown
CHEMISTRY MATCH
94.1%
MECHANICAL MATCH
18.3%
OVERALL
68.8%
Specifications
Property EN 10025-2 S355JR CSA G40.21 400A
Standard EN 10025-2:2019 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.24 <=0.23
Si (%) <=0.55 <=0.40
Mn (%) <=1.60 <=1.60
P (%) <=0.035 <=0.035
S (%) <=0.035 <=0.035
N (%) <=0.012 Not specified
Cu (%) <=0.55 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 S355JR CSA G40.21 400A
Tensile Strength 470-630 MPa 520-670 MPa
Yield Strength >=355 MPa 400 MPa min
Elongation >=22% 17% min
Condition Nominal thickness up to 16 mm (tensile for 3 to 100 mm, elongation for 3 to 40 mm), longitudinal test pieces Not specified
Impact Not specified 27J at 0°C
Typical Applications
EN 10025-2 S355JR
Heavy structural work, pressure vessels, offshore structures
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 S355JR Be Substituted With CSA G40.21 400A?
EN 10025-2 S355JR 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 S355JR
Plate → (3 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3900–4400 mm (153.54–173.23 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 S355JR
3 active listings and RFQs →
CSA G40.21 400A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-2 S355JR and CSA G40.21 400A?
EN 10025-2 S355JR specifies N which is not specified for CSA G40.21 400A.
Can EN 10025-2 S355JR be substituted with CSA G40.21 400A?
EN 10025-2 S355JR 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.