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CSA G40.21-13 (R2023) 350WT Steel: Specifications & Listings

CSA G40.21-13 (R2023) 350WT: CSA G40.21 350WT is a Canadian standard high strength structural steel with 350 MPa minimum yield strength and improved toughness, equivalent to ASTM A572 Grade 50 and S355. It is used for bridges, offshore structures and heavy fabrication.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeCSA G40.21-13 (R2023) 350WT
Standard CSA G40.21-13 (R2023)
Applicationsbridges,offshore structures,heavy fabrication,pressure vessels,cranes,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 →
AS/NZS 3678 Grade 350 AS/NZS 3678:2016 Australia 2 listings, 0 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 170H20 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 170H20 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 1) 170H36 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 170H15 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 1) 173H16 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 1) 170H15 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 173H16 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 170H36 BS 970 (Part 1):1991 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 <=1.60 <=0.035 <=0.035
Mechanical Properties
Tensile Strength 480-650 MPa
Yield Strength 350 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:

Round Bar (2)

Active CSA G40.21-13 (R2023) 350WT Listings on M-EX (For Sale)

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Buyer RFQs for CSA G40.21-13 (R2023) 350WT

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CSA G40.21-13 (R2023) 350WT Round Bar
1.200 MT
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CSA G40.21-13 (R2023) 350WT Round Bar
1.900 MT
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