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AS/NZS 3678:2016 Grade 400 Steel: Specifications & Listings

AS/NZS 3678:2016 Grade 400: Australian and New Zealand standard high-strength structural steel plate and floorplate. 400 MPa minimum yield, good weldability.

Forms: Plate Category: Structural Steel
Grade Details
GradeAS/NZS 3678:2016 Grade 400
Standard AS/NZS 3678:2016
ApplicationsHeavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns.
Most Active InWest (Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A572 Gr60 ASTM A572/A572M-25 USA 0 listings, 2 RFQs →
EN 10025-2 S355JR EN 10025-2:2019 Europe 3 listings, 0 RFQs →
CSA G40.21 400W CSA G40.21-13 (R2023) Canada 2 listings, 0 RFQs →
IS 2062 E350A IS 2062:2011 India 6 listings, 7 RFQs →
ASTM A283C ASTM A283 USA 2 listings, 0 RFQs →
ASTM A572 Gr.65 ASTM A572 USA 2 listings, 2 RFQs →
EN 10025-2 S235J0 EN 10025-2:2019 Europe 2 listings, 0 RFQs →
EN 10025-2 S235J2 EN 10025-2:2019 Europe 2 listings, 0 RFQs →
EN 10025-2 S250 EN 10025-2:2019 Europe 2 listings, 0 RFQs →
EN 10025-2 S355J2 EN 10025-2:2019 Europe 2 listings, 0 RFQs →
EN 10025-3 S420JR EN 10025-3:2019 Europe 2 listings, 0 RFQs →
EN 10025-3 S460 EN 10025-3:2019 Europe 2 listings, 0 RFQs →
EN 10025-3 S460JR EN 10025-3:2019 Europe 2 listings, 0 RFQs →
EN 10025-3 S500 EN 10025-3:2019 Europe 2 listings, 0 RFQs →
JIS G3131 SPHC JIS G 3131:2010 Japan 2 listings, 0 RFQs →
CSA G40.21 350W CSA G40.21-13 (R2023) Canada 2 listings, 0 RFQs →
ASTM A1008 SS Grade 50 ASTM A1008 USA 1 listing, 1 RFQ →
ASTM A1008 SS Grade 80 ASTM A1008 USA 1 listing, 1 RFQ →
EN 10346 S350GD EN 10346:2015 Europe 1 listing, 1 RFQ →
EN 10346 S450GD EN 10346:2015 Europe 1 listing, 1 RFQ →
Supply & Demand by FormSee Full Supply & Demand →
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Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
AS/NZS 3678 Grade 450 AS/NZS 3678:2016 Strong Match
AS/NZS Grade 500 AS/NZS 3597:2008 Strong Match
CSA G40.21 400W CSA G40.21-13 (R2023) Close Alternative
ASTM A572/A572M Grade 60 ASTM A572/A572M:2021 Close Alternative
ASTM A572/A572M Grade 60 ASTM A572/A572M:2018 Close Alternative
CSA G40.21 400A CSA G40.21-13 (R2023) Close Alternative
AS/NZS 1594 HA350 AS/NZS 1594:2025 Related Material
AS/NZS 3678 Grade 350L0 AS/NZS 3678:2016 Related Material
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
Mechanical Properties
Yield Strength 400 MPa min (t<=12mm)
Tensile Strength ~520 MPa min (approx, equivalent to ASTM A572 Gr.60)

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Plate (2)

Active AS/NZS 3678:2016 Grade 400 Listings on M-EX (For Sale)

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AS/NZS 3678:2016 Grade 400 Plate
3.100 MT
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AS/NZS 3678:2016 Grade 400 Plate
4.600 MT
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