Market Intelligence › Supply and Demand Balance › CSA G40.21 350A

CSA G40.21 350A Steel: Supply & Demand

Buyer RFQ demand against seller listing supply for CSA G40.21 350A, broken down by form. Signals are indicative and derived from listings and RFQs.

Last updated: 16 Oct 2026, 1:00 AM

Live Signal Lifetime

Lifetime: This grade’s supply and demand by form, across everything ever listed on M-EX. Use this for the long view. For example, “Has this grade historically drawn more buyers than sellers?”

Shortage

In Demand

Healthy

Oversupplied

Deep Supply

Low Activity

Form	Supply	Demand	Status	Price Band (Rs./MT)
Plate	35	1	Deep Supply	49,095 to 63,039 median 56,512

CSA G40.21 350A's demand ranks in the top 38% of all 484 tracked grades platform-wide.

Disclaimer: All information on this page is indicative only and derived from posted listings and RFQs on M-EX. It does not constitute a market price quote or investment advice. M-EX and GTE make no representations as to accuracy or completeness. Actual activity depends on quantity, quality, payment terms and other commercial factors agreed between buyers and sellers.

CSA G40.21 350A is a Structural Steel (Corten / Weathering) grade: Canadian standard atmospheric corrosion resistant structural steel with 350 MPa yield. Superior weathering performance in industrial and marine environments. Typical applications: Exposed structural steelwork, bridges, retaining walls, coastal infrastructure, architectural facades..

Equivalent / Similar Grades (3)

Grade	Standard	Region
ASTM A588	ASTM	USA
EN S355J2W	EN 10025	Europe
CSA G40.21 50W	CSA G40.21	Canada

Chemical Composition (%)

C	Mn	Si	P	S	Cu	Cr	Ni
max 0.19	max 1.35	max 0.65	max 0.035	max 0.035	0.25-0.4	0.4-0.65	0.4-0.7

Mechanical Properties

Yield Strength	350 MPa min
Tensile Strength	480-650 MPa