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EN 10025-3 S420JR vs CSA G40.21 400W

Close Alternative — 79.2% match based on chemical composition and mechanical property overlap.

EN 10025-3 S420JR (EN 10025-3:2019) and CSA G40.21 400W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. EN 10025-3 S420JR is typically used for used in bridges, heavy machinery frames, structural beams, offshore structures, and crane components., while CSA G40.21 400W is commonly used for heavy structural fabrication, bridges, offshore platforms, cranes, pressure vessels, mining equipment.. EN 10025-3 S420JR is defined under European Standard (EN), originating from Europe, while CSA G40.21 400W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, EN 10025-3 S420JR vs CSA G40.21 400W is a 95.2% match. As per mechanical properties, the match is 47.1%. Combined, this makes them a close alternative overall at 79.2%.

Frequently Compared With EN 10025-3 S420JR:
CSA G40.21 400A CSA G40.21 480W GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 ASTM A283C ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
95.2%
MECHANICAL MATCH
47.1%
OVERALL
79.2%
Specifications
Property EN 10025-3 S420JR CSA G40.21 400W
Standard EN 10025-3:2019 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) 0.20 max max 0.23
Si (%) 0.55 max max 0.5
Mn (%) 1.70 max max 1.6
P (%) 0.030 max max 0.035
S (%) 0.030 max max 0.035
N (%) 0.015 max Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10025-3 S420JR CSA G40.21 400W
Tensile Strength 520-680 MPa 520-690 MPa
Yield Strength 420 MPa min 400 MPa min
Elongation 17% min Not specified
Hardness 170-220 HB Not specified
Typical Applications
EN 10025-3 S420JR
Used in bridges, heavy machinery frames, structural beams, offshore structures, and crane components.
CSA G40.21 400W
Heavy structural fabrication, bridges, offshore platforms, cranes, pressure vessels, mining equipment.
Key Differences
Can EN 10025-3 S420JR Be Substituted With CSA G40.21 400W?
EN 10025-3 S420JR and CSA G40.21 400W are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
EN 10025-3 S420JR
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3500–3900 mm (137.8–153.54 in)
CSA G40.21 400W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–5200 mm (98.43–204.72 in)
On M-EX Right Now
EN 10025-3 S420JR
2 active listings and RFQs →
CSA G40.21 400W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-3 S420JR and CSA G40.21 400W?
EN 10025-3 S420JR specifies N which is not specified for CSA G40.21 400W.
Can EN 10025-3 S420JR be substituted with CSA G40.21 400W?
EN 10025-3 S420JR and CSA G40.21 400W are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.