CSA G40.21 480A Steel — Specifications & Listings

CSA G40.21

High strength structural steel with 480 MPa yield strength and atmospheric corrosion resistance. Used for heavy plate applications, bridges and structural members requiring high strength with weathering properties.

Category: Mild Steel

Grade Details

Grade	CSA G40.21 480A
Standard	CSA G40.21
Description	High strength structural steel with 480 MPa yield strength and atmospheric corrosion resistance. Used for heavy plate applications, bridges and structural members requiring high strength with weathering properties.
Applications

Equivalent / Similar Grades

Grade	Standard	Region
A709 Grade HPS 70W	ASTM
480W	CSA G40.21

Chemical Composition (%)

C	Mn	Si	P	S	Cu	Cr
<=0.23	<=1.60	<=0.40	<=0.035	<=0.035	0.20-0.40	0.40-0.65

Mechanical Properties

tensile_strength	620-760 MPa
yield_strength	480 MPa min
elongation	15% min
impact	27J at 0°C

Active CSA G40.21 480A Listings on M-EX

No active CSA G40.21 480A listings at this time.