CSA G40.21 350W Steel — Specifications & Listings

CSA G40.21

350W is a Canadian weldable structural steel grade with improved atmospheric toughness and weldability. It is commonly used in load bearing structures and fabricated assemblies.

Category: Mild Steel

Grade Details

Grade	CSA G40.21 350W
Standard	CSA G40.21
Description	350W is a Canadian weldable structural steel grade with improved atmospheric toughness and weldability. It is commonly used in load bearing structures and fabricated assemblies.
Applications	Used in buildings, bridges, cranes, transmission towers, heavy equipment, and structural fabrications.

Chemical Composition (%)

C	Mn	Si	P	S
0.23 max	0.50-1.50	0.15-0.40	0.040 max	0.050 max

Mechanical Properties

tensile_strength	450-620 MPa
yield_strength	350 MPa min
elongation	20% min
hardness	135-180 HB

Active CSA G40.21 350W Listings on M-EX

No active CSA G40.21 350W listings at this time.