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AS/NZS 3678:2016 Grade 450 Steel: Specifications & Listings

AS/NZS 3678:2016 Grade 450: Australian and New Zealand standard very high strength structural steel with 450 MPa minimum yield. Quenched and tempered for superior strength-to-weight ratio.

Forms: Plate Category: Structural Steel
Grade Details
GradeAS/NZS 3678:2016 Grade 450
Standard AS/NZS 3678:2016
ApplicationsHeavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.
Most Active InWest (Gujarat, Maharashtra)
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Supply & Demand by FormSee Full Supply & Demand →
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Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
AS/NZS 3678 Grade 400 AS/NZS 3678:2016 Strong Match
AS/NZS 1594 HA350 AS/NZS 1594:2025 Strong Match
AS/NZS Grade 500 AS/NZS 3597:2008 Strong Match
AS/NZS 3678 Grade 350L0 AS/NZS 3678:2016 Strong Match
IS 2062 (Part 1) E500A IS 2062 (Part 1):2025 Strong Match
IS 2062 (Part 1) E500BR IS 2062 (Part 1):2025 Strong Match
EN 10025-3 S420JR EN 10025-3:2019 Strong Match
AS/NZS 1595 C350 AS/NZS 1595:1998 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Si P S
max 0.2 max 1.6 max 0.55 max 0.03 max 0.03

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Plate (2)

Active AS/NZS 3678:2016 Grade 450 Listings on M-EX (For Sale)

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AS/NZS 3678:2016 Grade 450 Plate
8.600 MT
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AS/NZS 3678:2016 Grade 450 Plate
3.800 MT
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