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CSA G40.21-13 (R2023) 300W Steel: Specifications & Listings

CSA G40.21-13 (R2023) 300W: CSA G40.21 300W is a Canadian standard structural steel with 300 MPa minimum yield strength, equivalent to ASTM A36 and IS 2062 E300. It is widely used for structural fabrication, bridges and general construction across Canada.

Forms: Plate Category: Structural Steel
Grade Details
GradeCSA G40.21-13 (R2023) 300W
Standard CSA G40.21-13 (R2023)
Applicationsstructural fabrication,bridges,buildings,machinery frames,general construction,welded structures
Most Active InWest (Gujarat)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A36 ASTM A36 USA 3 listings, 1 RFQ →
EN 10025-2 S275JR EN 10025-2:2019 Europe 0 listings, 3 RFQs →
IS 2062 E250A IS 2062:2011 India 9 listings, 6 RFQs →
GB/T 700 Q235B GB/T 700:2006 China 0 listings, 2 RFQs →
JIS G3101 SS400 JIS G3101:2020 Japan 3 listings, 0 RFQs →
GOST 380 St3sp GOST 380-2005 Russia 2 listings, 0 RFQs →
AS/NZS 3678 Grade 250 AS/NZS 3678:2016 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
AS/NZS 3679.1 300 AS/NZS 3679.1:2016 Close Alternative
AS/NZS 3678 Grade 300 AS/NZS 3678:2016 Close Alternative
AS/NZS 3678 Grade 350 AS/NZS 3678:2016 Close Alternative
KS D3503 SS400 KS D 3503:2016 Close Alternative
AS/NZS 3678 Grade 250 AS/NZS 3678:2016 Close Alternative
CSA G40.21 260W CSA G40.21-13 (R2023) 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
<=0.23 <=1.50 <=0.040 <=0.050
Mechanical Properties
Tensile Strength 450-620 MPa
Yield Strength 300 MPa min
Elongation 20-23 %
Typical Available Sizes
Plate 6-100 mm
Flat Bar 10-150 mm
Round Bar 16-200 mm
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Plate (2)

Active CSA G40.21-13 (R2023) 300W Listings on M-EX (For Sale)

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CSA G40.21-13 (R2023) 300W Plate
11.400 MT
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CSA G40.21-13 (R2023) 300W Plate
9.100 MT
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Buyer RFQs for CSA G40.21-13 (R2023) 300W

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