Post Stock Login Register

AS/NZS 3678:2016 Grade 350 Steel: Specifications & Listings

AS/NZS 3678:2016 Grade 350: AS/NZS 3678 Grade 350 is an Australian and New Zealand standard high strength structural steel with 350 MPa minimum yield strength, equivalent to ASTM A572 Grade 50 and S355JR. It is widely used for bridges, heavy structures and mining equipment in Australia.

Forms: Plate Category: Structural Steel
Grade Details
GradeAS/NZS 3678:2016 Grade 350
Standard AS/NZS 3678:2016
Applicationsbridges,heavy structures,mining equipment,cranes,offshore platforms,pressure vessels,structural components
Most Active InWest (Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A572 Grade 50 ASTM A572 USA 3 listings, 1 RFQ →
EN 10025-2 S355JR EN 10025-2:2019 Europe 3 listings, 0 RFQs →
IS 2062 E350A IS 2062:2011 India 6 listings, 7 RFQs →
GB/T 1591 Q345B GB/T 1591-2018 China 2 listings, 0 RFQs →
CSA G40.21 350WT CSA G40.21-13 (R2023) Canada 0 listings, 2 RFQs →
CSA G40.21 400W CSA G40.21-13 (R2023) Canada 2 listings, 0 RFQs →
AS/NZS 3678 Grade 400 AS/NZS 3678:2016 Australia 2 listings, 0 RFQs →
AS/NZS 1594 HA350 AS/NZS 1594:2025 Australia 2 listings, 0 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Plate →
Low Activity
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 300W CSA G40.21-13 (R2023) Close Alternative
AS/NZS 3679.1 350 AS/NZS 3679.1:2016 Close Alternative
ASTM A572 Gr.65 ASTM A572 Close Alternative
AS/NZS 3678 Grade 250 AS/NZS 3678:2016 Close Alternative
CSA G40.21 260W CSA G40.21-13 (R2023) Close Alternative
AS/NZS 3679.1 300 AS/NZS 3679.1:2016 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn P S
<=0.22 <=1.70 <=0.040 <=0.040
Mechanical Properties
Tensile Strength 480-620 MPa
Yield Strength 360 MPa min
Elongation 18-22 %
Typical Available Sizes
Plate 6-150 mm
Flat Bar 10-150 mm
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Plate (2)

Active AS/NZS 3678:2016 Grade 350 Listings on M-EX (For Sale)

+ Create a Listing for this grade
AS/NZS 3678:2016 Grade 350 Plate
6.300 MT
View Listing
AS/NZS 3678:2016 Grade 350 Plate
2.900 MT
View Listing

Buyer RFQs for AS/NZS 3678:2016 Grade 350

+ Post an RFQ for this grade

No open buyer requirements for AS/NZS 3678:2016 Grade 350 at this time.

Register for Alerts