CSA G40.21 300W Steel — Specifications & Listings

CSA G40.21

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.

Category: Mild Steel

Grade Details

Grade	CSA G40.21 300W
Standard	CSA G40.21
Description	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.
Applications	structural fabrication,bridges,buildings,machinery frames,general construction,welded structures

Equivalent / Similar Grades

Grade	Standard	Region
ASTM A36	ASTM	USA
S275JR	EN 10025	Europe
IS 2062 E250A	IS 2062	India
Q235B	GB/T 700	China
SS400	JIS G3101	Japan
St3sp	GOST 380	Russia
AS/NZS 3678 Grade 250	AS/NZS 3678	Australia

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.

Active CSA G40.21 300W Listings on M-EX

No active CSA G40.21 300W listings at this time.