EN 10025-3 S355N vs CSA G40.21 300W

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

EN 10025-3 S355N (EN 10025-3:2019) and CSA G40.21 300W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. EN 10025-3 S355N is defined under European Standard (EN), originating from Europe, while CSA G40.21 300W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, EN 10025-3 S355N vs CSA G40.21 300W is a 58% match. As per mechanical properties, the match is 27.8%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-3 S355N:
CSA G40.21 260W AS/NZS 3679.1 350 CSA G40.21 400A CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A283C ASTM A572 Gr.65 GOST 19281 09G2S CSA G40.21 350W CSA G40.21 480W ASTM A1008 SS Grade 80
Other Structural Steel Grades to Compare With EN 10025-3 S355N:
AS/NZS 3679.1 300
Match Breakdown
CHEMISTRY MATCH
58%
MECHANICAL MATCH
27.8%
OVERALL
35%
Specifications
Property EN 10025-3 S355N CSA G40.21 300W
Standard EN 10025-3:2019 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.20 <=0.23
Si (%) <=0.50 Not specified
Mn (%) 0.90-1.65 <=1.50
P (%) <=0.030 <=0.040
S (%) <=0.025 <=0.050
Nb (%) <=0.05 Not specified
V (%) <=0.12 Not specified
Ni (%) <=0.50 Not specified
N (%) <=0.015 Not specified
Al (%) >=0.02 Not specified
Ti (%) <=0.05 Not specified
Cr (%) <=0.30 Not specified
Mo (%) <=0.10 Not specified
Cu (%) <=0.55 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 S355N CSA G40.21 300W
Tensile Strength 470-630 MPa 450-620 MPa
Yield Strength >=355 MPa 300 MPa min
Elongation >=22% 20-23 %
Condition Normalized or normalized rolled (N), nominal thickness up to 16 mm (tensile strength up to 100 mm), Table 4 Not specified
Typical Applications
EN 10025-3 S355N
Not documented
CSA G40.21 300W
structural fabrication,bridges,buildings,machinery frames,general construction,welded structures
Key Differences
Can EN 10025-3 S355N Be Substituted With CSA G40.21 300W?
EN 10025-3 S355N and CSA G40.21 300W 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 10025-3 S355N
No active listings currently.
CSA G40.21 300W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2800 mm (106.3–110.24 in)
On M-EX Right Now
EN 10025-3 S355N
0 active listings and RFQs →
CSA G40.21 300W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-3 S355N and CSA G40.21 300W?
EN 10025-3 S355N specifies Si, Nb, V, Ni which are not specified for CSA G40.21 300W.
Can EN 10025-3 S355N be substituted with CSA G40.21 300W?
EN 10025-3 S355N and CSA G40.21 300W 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.