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EN 10025-3 S420N vs AS/NZS 3679.1 350

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

EN 10025-3 S420N (EN 10025-3:2019) and AS/NZS 3679.1 350 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. EN 10025-3 S420N is defined under European Standard (EN), originating from Europe, while AS/NZS 3679.1 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, EN 10025-3 S420N vs AS/NZS 3679.1 350 is a 62.5% match. As per mechanical properties, the match is 20%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-3 S420N:
CSA G40.21 260W ASTM A283C ASTM A572 Gr.65 GOST 19281 09G2S CSA G40.21 300W CSA G40.21 350W CSA G40.21 480W
Other Structural Steel Grades to Compare With EN 10025-3 S420N:
AS/NZS 3679.1 300 CSA G40.21 400A CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
62.5%
MECHANICAL MATCH
20%
OVERALL
35%
Specifications
Property EN 10025-3 S420N AS/NZS 3679.1 350
Standard EN 10025-3:2019 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.20 <=0.22
Si (%) <=0.60 <=0.50
Mn (%) 1.00-1.70 <=1.70
P (%) <=0.030 <=0.040
S (%) <=0.025 <=0.040
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 S420N AS/NZS 3679.1 350
Tensile Strength 520-680 MPa 480-640 MPa
Yield Strength >=420 MPa 350 MPa min
Elongation >=19% 20% min
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 S420N
Not documented
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Key Differences
Can EN 10025-3 S420N Be Substituted With AS/NZS 3679.1 350?
EN 10025-3 S420N and AS/NZS 3679.1 350 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 S420N
No active listings currently.
AS/NZS 3679.1 350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3200 mm (114.17–125.98 in)
On M-EX Right Now
EN 10025-3 S420N
0 active listings and RFQs →
AS/NZS 3679.1 350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-3 S420N and AS/NZS 3679.1 350?
EN 10025-3 S420N specifies Nb, V, Ni, N which are not specified for AS/NZS 3679.1 350.
Can EN 10025-3 S420N be substituted with AS/NZS 3679.1 350?
EN 10025-3 S420N and AS/NZS 3679.1 350 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.