EN 10025-3 S420N vs AS/NZS 3679.1 300

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

EN 10025-3 S420N (EN 10025-3:2019) and AS/NZS 3679.1 300 (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 3679.1 300 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 3679.1 300 is a 62.5% match. As per mechanical properties, the match is 11.1%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10025-3 S420N:
GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 350 ASTM A283C ASTM A572 Gr.65 CSA G40.21 300W CSA G40.21 350W CSA G40.21 480W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80
Other Structural Steel Grades to Compare With EN 10025-3 S420N:
CSA G40.21 400A CSA G40.21 400W
Match Breakdown
CHEMISTRY MATCH
62.5%
MECHANICAL MATCH
11.1%
OVERALL
35%
Specifications
Property EN 10025-3 S420N AS/NZS 3679.1 300
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 3679.1 300
Tensile Strength 520-680 MPa 440-600 MPa
Yield Strength >=420 MPa 300 MPa min
Elongation >=19% 22% 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 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Key Differences
Can EN 10025-3 S420N Be Substituted With AS/NZS 3679.1 300?
EN 10025-3 S420N and AS/NZS 3679.1 300 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 3679.1 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2700 mm (106.3–106.3 in)
On M-EX Right Now
EN 10025-3 S420N
0 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-3 S420N and AS/NZS 3679.1 300?
EN 10025-3 S420N specifies Nb, V, Ni, N which are not specified for AS/NZS 3679.1 300.
Can EN 10025-3 S420N be substituted with AS/NZS 3679.1 300?
EN 10025-3 S420N and AS/NZS 3679.1 300 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.