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LSAW welded steel pipe pile CSA G40.21 50W/350W CAT 3 38" X25.4MM

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.

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. 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


CSA G40.21 Steel Plate Overview:

  • Popular structural steel that meets specifications outlined by the Canadian Standards Association.

  • Available in three grades: 44W (most popular), 50W and 50A.

MATERIAL PROPERTIES

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 LESS4464-9020
44W – GREATER THAN 2.5" TO 4" THICK4064-9020
50W5065-9519
50A5070-9519

 

CHEMICAL COMPOSITION

The following composition properties are for the CSA G40.21 grades.

 

44W
CARBON0.22%
MANGANESE0.50-1.50%
PHOSPHORUS0.04%
SULFUR0.05%
SILICON0.40%

 

GRADE 50W
CARBON0.23%
MANGANESE0.50-1.50%
PHOSPHORUS0.04%
SULFUR0.05%
SILICON0.40%

 

GRADE 50A
CARBON0.20%
MANGANESE0.75-1.35%
PHOSPHORUS0.03%
SULFUR0.04%
SILICON0.15-0.50%
CHROMIUM0.70%
NICKEL0.90%
COPPER0.20-0.60%

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