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EN 10025-2 S250 vs AS/NZS 3678 Grade 450

Strong Match — 96.7% match based on chemical composition and mechanical property overlap.

EN 10025-2 S250 (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 S250 is typically used for used for fabricated structures, beams, support frames, machinery bases, towers, and construction components., 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 S250 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 S250 vs AS/NZS 3678 Grade 450 is a 96.7% 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 96.7%.

Frequently Compared With EN 10025-2 S250:
CSA G40.21 260W ASTM A283C CSA G40.21 400W CSA G40.21 480W CSA G40.21 300W AS/NZS 3679.1 300 CSA G40.21 400A ASTM A1008 SS Grade 80 GOST 19281 09G2S ASTM A1008 SS Grade 50 ASTM A572 Grade 50 AS/NZS 3679.1 350
Match Breakdown
CHEMISTRY MATCH
96.7%
MECHANICAL MATCH
No shared data
OVERALL
96.7%
Specifications
Property EN 10025-2 S250 AS/NZS 3678 Grade 450
Standard EN 10025-2:2019 AS/NZS 3678:2016
Category Structural Steel Structural Steel
C (%) 0.20 max max 0.2
Mn (%) 1.50 max max 1.6
Si (%) 0.40 max max 0.55
P (%) 0.040 max max 0.03
S (%) 0.040 max 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 S250 AS/NZS 3678 Grade 450
Tensile Strength 410-560 MPa Not specified
Yield Strength 250 MPa min Not specified
Elongation 22-25% Not specified
Hardness 120-170 HB Not specified
Typical Applications
EN 10025-2 S250
Used for fabricated structures, beams, support frames, machinery bases, towers, and construction components.
AS/NZS 3678 Grade 450
Heavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.
Can EN 10025-2 S250 Be Substituted With AS/NZS 3678 Grade 450?
EN 10025-2 S250 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 S250 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 S250
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3300–3500 mm (129.92–137.8 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 S250
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 S250 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 S250 be substituted with AS/NZS 3678 Grade 450?
EN 10025-2 S250 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 S250 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.