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EN 10025-3 S420JR vs AS/NZS 3679.1 350

Close Alternative — 70.2% match based on chemical composition and mechanical property overlap.

EN 10025-3 S420JR (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 S420JR is typically used for used in bridges, heavy machinery frames, structural beams, offshore structures, and crane components., while AS/NZS 3679.1 350 is commonly used for hot-rolled structural bars and sections for primary structural beams, columns, and framing. EN 10025-3 S420JR 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 S420JR vs AS/NZS 3679.1 350 is a 95.3% match. As per mechanical properties, the match is 20%. Combined, this makes them a close alternative overall at 70.2%.

Frequently Compared With EN 10025-3 S420JR:
CSA G40.21 400A CSA G40.21 480W CSA G40.21 400W GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 300W CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 ASTM A283C ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
95.3%
MECHANICAL MATCH
20%
OVERALL
70.2%
Specifications
Property EN 10025-3 S420JR AS/NZS 3679.1 350
Standard EN 10025-3:2019 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) 0.20 max <=0.22
Si (%) 0.55 max <=0.50
Mn (%) 1.70 max <=1.70
P (%) 0.030 max <=0.040
S (%) 0.030 max <=0.040
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 AS/NZS 3679.1 350
Tensile Strength 520-680 MPa 480-640 MPa
Yield Strength 420 MPa min 350 MPa min
Elongation 17% min 20% min
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.
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Key Differences
Can EN 10025-3 S420JR Be Substituted With AS/NZS 3679.1 350?
EN 10025-3 S420JR and AS/NZS 3679.1 350 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)
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 S420JR
2 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 S420JR and AS/NZS 3679.1 350?
EN 10025-3 S420JR specifies N which is not specified for AS/NZS 3679.1 350.
Can EN 10025-3 S420JR be substituted with AS/NZS 3679.1 350?
EN 10025-3 S420JR and AS/NZS 3679.1 350 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.