Steel Sheet Wih High Flatness

Up thru 3 over 3 allowable difference in length of diagonals inches maximum difference between aa and bb up thru 12 over 12 3 32 x width ft 2 9 64 x width ft 2 5 64 x width ft 2 7 64 x width ft 2 specified thickness in.

Steel sheet wih high flatness.

1 1 this specification covers the general requirements for steel sheet in coils and cut lengths. Squareness tolerances flat sheet and plate specified length ft. For example 72 inch wide material with a 100 000 psi yield strength can have a crossbow of 2 to 12 in wavy edges and excessive crown. These shape imperfections must be removed to produce a high quality steel sheet that is not only flat but will remain flat during such subsequent manufacturing operations as laser plasma and punch cutting.

Applications for punched flats include. 914 mm the tolerance is not greater than in. Table a2 20 permitted variations in flatness of plate mill plate quarto plate note 1 tolerances in this table apply to any length not necessarily the rolling direction up to 36 in. Shop our warehouse for structural steel get prices check stock.

It applies to the following specifications that describe carbon steel structural steel and high strength low alloy steel hsla furnished as hot rolled sheet and cold rolled sheet. Metals depot is the america s largest small quantity supplier of hot rolled structural steel stocking thousands of shapes sizes lengths and grades including steel angles steel channels steel beams steel flats steel squares steel rounds steel tubes steel pipe steel sheet steel plate steel diamond. Note 2 if the longer dimension is under 36 in. Flatness tolerances for sheet are published only for full size sheets.

Specified width ft. If it was a flat surface the steel would just bounce back to the bend. 914mm and to any 36 in. High strength and highly formable hr steel sheet and plate is also easy to drill form and weld.

Flat bars are generally used as support braces flat bars are generally used as support braces ladder hangers and gate latches. It is important to remember that these tolerances apply to the mill produced product where they have specialized equipment to perform flattening operations. The press brake uses a v shaped die to do this to give enough room to bend the steel. Measured while the plate rests on a flat surface with the concavity of the curvature upward.

Specifications a414 a414m a424 a424m a606 a606m a659 a659m a794 a794m a1008 a1008m a1011 a1011m and a1039. 914mm of longer lengths in the plane of the plate measured while the plate rests on a flat surface with the concavity of the. When galvanized it is also regularly used in applications where corrosion resistance is a necessity. The steel will be placed in the press brake where a bend or bow is the top press is lowered just enough to bend the steel beyond the yield point.

Flat punched whole and slotted hole. Specifications a 480 and ams 2242 cover many of the stainless steel flat products. Available in various sizes and materials. Common types of bars include.