CSA G40.21 STRUCTURAL STEEL is A high-strength, low-alloy steel plate grade specified within G40.21 of the Canadian Standards Association (CSA). This grade is utilized in a variety of structural applications.
A high-strength, low-alloy steel plate grade specified within G40.21 of the Canadian Standards Association (CSA). This grade is utilized in a variety of structural applications. It is also referred to as 350W, which is its metric designation. This material is also available as Charpy tested when referenced with a "T", such as 50WT / 350WT. When Charpy tests are required, the category will be indicated. The values of these categories are outlined below in mechanical properties.
Mechanical Properties 50W/350W:
Tensile:
65 to 95 ksi
Yield:
50 ksi min
Elongation:
19% min in 8" 22% min in 2"
CAT 1 (32°F):20 ft/lbs
CAT 2 (0°F):20 ft/lbs
CAT 3 (-20°F):20 ft/lbs
CAT 4 (-50°F):20 ft/lbs
CAT 5:(Specified by Purchaser)
STOCK SIZES 50W
Popular structural steel that meets specifications outlined by the Canadian Standards Association.
Available in three grades: 44W (most popular), 50W and 50A.
The following material properties are will be confirmed on the Mill Test Report.
YIELD POINT (KSI) | TENSILE STRENGTH (KSI) | ELONGATION % | |
44W – 2.5" THICK OF LESS | 44 | 64-90 | 20 |
44W – GREATER THAN 2.5" TO 4" THICK | 40 | 64-90 | 20 |
50W | 50 | 65-95 | 19 |
50A | 50 | 70-95 | 19 |
The following composition properties are for the CSA G40.21 grades.
44W | |
CARBON | 0.22% |
MANGANESE | 0.50-1.50% |
PHOSPHORUS | 0.04% |
SULFUR | 0.05% |
SILICON | 0.40% |
GRADE 50W | |
CARBON | 0.23% |
MANGANESE | 0.50-1.50% |
PHOSPHORUS | 0.04% |
SULFUR | 0.05% |
SILICON | 0.40% |
GRADE 50A | |
CARBON | 0.20% |
MANGANESE | 0.75-1.35% |
PHOSPHORUS | 0.03% |
SULFUR | 0.04% |
SILICON | 0.15-0.50% |
CHROMIUM | 0.70% |
NICKEL | 0.90% |
COPPER | 0.20-0.60% |
Contact: Mr. Lee
Phone: 13931739696
Tel: 0317-5500163
Email: sale@galaxy-steel.com
Add: 1202, Floor 12, Culture and Art Building, Yunhe District, Cangzhou, Hebei