EN 10025-3 S420NL vs CSA G40.21 400W

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

EN 10025-3 S420NL (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 S420NL 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 S420NL vs CSA G40.21 400W is a 61.6% match. As per mechanical properties, the match is 47.1%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-3 S420NL:
ASTM A283C ASTM A572 Gr.65 GOST 19281 09G2S AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 400A CSA G40.21 480W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80
Other Structural Steel Grades to Compare With EN 10025-3 S420NL:
CSA G40.21 260W CSA G40.21 350W
Match Breakdown
CHEMISTRY MATCH
61.6%
MECHANICAL MATCH
47.1%
OVERALL
35%
Specifications
Property EN 10025-3 S420NL CSA G40.21 400W
Standard EN 10025-3:2019 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.20 max 0.23
Si (%) <=0.60 max 0.5
Mn (%) 1.00-1.70 max 1.6
P (%) <=0.025 max 0.035
S (%) <=0.020 max 0.035
Nb (%) <=0.05 Not specified
V (%) <=0.20 Not specified
Ni (%) <=0.80 Not specified
N (%) <=0.025 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 S420NL CSA G40.21 400W
Tensile Strength 520-680 MPa 520-690 MPa
Yield Strength >=420 MPa 400 MPa min
Elongation >=19% Not specified
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 S420NL
Not documented
CSA G40.21 400W
Heavy structural fabrication, bridges, offshore platforms, cranes, pressure vessels, mining equipment.
Key Differences
Can EN 10025-3 S420NL Be Substituted With CSA G40.21 400W?
EN 10025-3 S420NL and CSA G40.21 400W 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 S420NL
No active listings currently.
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 S420NL
0 active listings and RFQs →
CSA G40.21 400W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-3 S420NL and CSA G40.21 400W?
EN 10025-3 S420NL specifies Nb, V, Ni, N which are not specified for CSA G40.21 400W.
Can EN 10025-3 S420NL be substituted with CSA G40.21 400W?
EN 10025-3 S420NL and CSA G40.21 400W 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.