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EN 10025-2 S275 vs AS/NZS 3678 Grade 450

Strong Match — 96% match based on chemical composition and mechanical property overlap.

EN 10025-2 S275 (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 S275 is typically used for structural beams, columns, bridges, general 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 S275 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 S275 vs AS/NZS 3678 Grade 450 is a 96% 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 96%.

Frequently Compared With EN 10025-2 S275:
CSA G40.21 260W IS 2062 E165 GOST 19281 09G2S CSA G40.21 300W CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80 ASTM A572 Gr.65
Other Structural Steel Grades to Compare With EN 10025-2 S275:
AS/NZS 3679.1 300 AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 400A
Match Breakdown
CHEMISTRY MATCH
96%
MECHANICAL MATCH
No shared data
OVERALL
96%
Specifications
Property EN 10025-2 S275 AS/NZS 3678 Grade 450
Standard EN 10025-2:2019 AS/NZS 3678:2016
Category Structural Steel Structural Steel
C (%) 0-0.25 max 0.2
Mn (%) 0-1.5 max 1.6
Si (%) 0-0.5 max 0.55
P (%) max 0.04 max 0.03
S (%) max 0.04 max 0.03
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 S275 AS/NZS 3678 Grade 450
Yield Strength 275 MPa min (t<=16mm) Not specified
Tensile Strength 410-560 MPa Not specified
Elongation 23% min Not specified
Typical Applications
EN 10025-2 S275
Structural beams, columns, bridges, general fabrication
AS/NZS 3678 Grade 450
Heavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.
Can EN 10025-2 S275 Be Substituted With AS/NZS 3678 Grade 450?
EN 10025-2 S275 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 S275 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 S275
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5000–5000 mm (196.85–196.85 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 S275
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 S275 and AS/NZS 3678 Grade 450?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10025-2 S275 be substituted with AS/NZS 3678 Grade 450?
EN 10025-2 S275 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 S275 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.