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The Canadian Standards Association (CSA) specification G40.20/G40.21 covers structural quality steel of a number of different product forms. SSAB produces structural quality plates and sheet in accordance with CSA G40.20/G40.21 with specified minimum yield strengths of 38 ksi to 70 ksi. CSA 60W is a weldable steel with a specified minimum yield strength of 60 ksi for thicknesses up to 2.5 in.
|60W||Mill Plate||0.250 - 2.00||60 - 120||120 - 1020|
|60W||Temper Leveled Plate||0.100 - 0.500||48 - 96||72 - 720|
|—||Coil for Conversion To||0.188 - 0.625||60 - 96||—|
Mill plate: Please inquire for plate thicknesses greater than 2.0 inches and up to 3.0 inches, for plate widths less than 72 inches and greater than 120 inches, and for plate lengths less than 120 inches and greater than 1020 inches
Temper Leveled Plate: SSAB's Cut-To-Length facilities use the temper leveled coil (TLC) process to produce temper leveled plate products. For additional information concerning our temper leveling process, please refer to our SSAB Americas: North American Cut-to-Length Operations brochure located under the Downloads section of our Commercial Steels Overview page
Coil for Conversion To: Coils are excluded from qualification to this specification until they are processed into a finished plate product and all required processing, inspections, and testing are performed. Coils For Conversion To product will be certified to chemistry only. Inquire for physical properties testing. Coils will be subject to availability, so please inquire. Please inquire for coil widths less than 72 inches and greater than 96 inches. Slitting capabilities are determined by strength levels and thicknesses, so please inquire all slit coil opportunities.
Tensile testing is performed in the tranverse direction. The required tensile properties are tabulated below:
|Elongation in 2" 1)
|Elongation in 8" 1)
|60W||0.100 - 2.00||60||75 - 100||15||13|
1) See elongation requirement adjustment of CSA G40.20-13 (Latest edition).
Tolerances for Mill Plate:
Thickness, width and length tolerances for CSA G40.21 60W plates are in accordance with ASTM A6. ASTM A6 Half-Standard Flatness tolerances are available for plate thicknesses of 3/8 inches to 2.0 inches. Inquire for CSA Restrictive Flatness tolerances and for specific mill flatness capabilities.
Tolerances for Temper Leveled Plate:
Thickness, width and length tolerances for CSA G40.21 60W plates are in accordance with ASTM A6. ASTM A6 Half-Standard Flatness tolerances or better are available for temper leveled plates. Flatness capabilities are determined by the processing line and the minimum yield strength of the material. Inquire for CSA Restrictive Flatness tolerances.
Tolerances for Coils for Conversion To:
Thickness and width tolerances are in accordance with ASTM A635 for thicknesses of 0.230 inches to 1.00 inch, inclusive. Thickness tolerances are in accordance with Table S1.1 found in ASTM A635. Width tolerances are in accordance with Table 3 of ASTM A635. Thickness tolerances for nominal gauge orders must be inquired.
All tolerances will be confirmed to the customer via SSAB's Order Acknowledgement document.