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EN 10025-2 S355J2 vs AS/NZS 3678 Grade 450

Strong Match — 95% match based on chemical composition and mechanical property overlap.

EN 10025-2 S355J2 (EN 10025-2:2019) and AS/NZS 3678 Grade 450 (AS/NZS 3678:2016) are both steel grades. Both fall under the Structural Steel category. EN 10025-2 S355J2 is typically used for used for bridges, offshore structures, cranes, construction equipment, structural frames, and heavy fabrication., while AS/NZS 3678 Grade 450 is commonly used for heavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.. EN 10025-2 S355J2 is defined under European Standard (EN), originating from Europe, while AS/NZS 3678 Grade 450 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, EN 10025-2 S355J2 vs AS/NZS 3678 Grade 450 is a 95% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 95%.

Frequently Compared With EN 10025-2 S355J2:
CSA G40.21 480W CSA G40.21 260W CSA G40.21 400W CSA G40.21 300W AS/NZS 3679.1 350 AS/NZS 3679.1 300 CSA G40.21 350W ASTM A1008 SS Grade 50 GOST 19281 09G2S CSA G40.21 400A ASTM A572 Grade 50 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
95%
MECHANICAL MATCH
No shared data
OVERALL
95%
Specifications
Property EN 10025-2 S355J2 AS/NZS 3678 Grade 450
Standard EN 10025-2:2019 AS/NZS 3678:2016
Category Structural Steel Structural Steel
C (%) <=0.24 max 0.2
Si (%) <=0.55 max 0.55
Mn (%) <=1.60 max 1.6
P (%) <=0.025 max 0.03
S (%) <=0.025 max 0.03
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 10025-2 S355J2 AS/NZS 3678 Grade 450
Tensile Strength 470-630 MPa Not specified
Yield Strength >=355 MPa Not specified
Elongation >=22% Not specified
Condition Nominal thickness up to 16 mm (tensile for 3 to 100 mm, elongation for 3 to 40 mm), longitudinal test pieces Not specified
Typical Applications
EN 10025-2 S355J2
Used for bridges, offshore structures, cranes, construction equipment, structural frames, and heavy fabrication.
AS/NZS 3678 Grade 450
Heavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.
Key Differences
Can EN 10025-2 S355J2 Be Substituted With AS/NZS 3678 Grade 450?
EN 10025-2 S355J2 and AS/NZS 3678 Grade 450 overlap closely enough on chemistry and mechanical properties that AS/NZS 3678 Grade 450 is often considered as a substitute for EN 10025-2 S355J2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
EN 10025-2 S355J2
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–2800 mm (110.24–110.24 in)
AS/NZS 3678 Grade 450
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–4200 mm (98.43–165.35 in)
On M-EX Right Now
EN 10025-2 S355J2
2 active listings and RFQs →
AS/NZS 3678 Grade 450
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10025-2 S355J2 and AS/NZS 3678 Grade 450?
EN 10025-2 S355J2 specifies Cu which is not specified for AS/NZS 3678 Grade 450.
Can EN 10025-2 S355J2 be substituted with AS/NZS 3678 Grade 450?
EN 10025-2 S355J2 and AS/NZS 3678 Grade 450 overlap closely enough on chemistry and mechanical properties that AS/NZS 3678 Grade 450 is often considered as a substitute for EN 10025-2 S355J2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.