Close Alternative — 78.6% match
based on chemical composition and mechanical property overlap.
EN 10025-2 S355K2 (EN 10025-2:2019) and AS/NZS 3678 Grade 300 (AS/NZS 3678:2016) are both steel grades.
Both fall under the Structural Steel category.
EN 10025-2 S355K2 is typically used for hot rolled products of structural steels, while AS/NZS 3678 Grade 300 is commonly used for general fabrication, structural members, high-rise buildings, bridges, storage tanks.
EN 10025-2 S355K2 is defined under European Standard (EN), originating from Europe, while AS/NZS 3678 Grade 300 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.
As per chemical composition, EN 10025-2 S355K2 vs AS/NZS 3678 Grade 300 is a 93.7% match.
As per mechanical properties, the match is 48.3%.
Combined, this makes them a close alternative overall at 78.6%.
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 S355K2
AS/NZS 3678 Grade 300
Tensile Strength
470-630 MPa
430-560 MPa
Yield Strength
>=355 MPa
300 MPa min
Elongation
>=22%
22% min
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 S355K2
Hot rolled products of structural steels
AS/NZS 3678 Grade 300
General fabrication, structural members, high-rise buildings, bridges, storage tanks
Key Differences
EN 10025-2 S355K2 specifies Cu which is not specified for AS/NZS 3678 Grade 300.
Can EN 10025-2 S355K2 Be Substituted With AS/NZS 3678 Grade 300?
EN 10025-2 S355K2 and AS/NZS 3678 Grade 300 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.
What is the difference between EN 10025-2 S355K2 and AS/NZS 3678 Grade 300?
EN 10025-2 S355K2 specifies Cu which is not specified for AS/NZS 3678 Grade 300.
Can EN 10025-2 S355K2 be substituted with AS/NZS 3678 Grade 300?
EN 10025-2 S355K2 and AS/NZS 3678 Grade 300 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.