Hot Rolled High Hardness Stainless Steel Plate Grade 420 440C 17-4PH 17-7PH SS Plate

Our Stainless Steel Sheet Specification Chart

Stainless steel coil plate – ASTM A240M
The most efficient route for a stainless steel production mill to produce plate (5mm and over) is in coil form. The coil is then further downstream processed by the mill or through a service centre with equipment to flatten (often called ‘levelling’) and cut to length.

The maximum plate width produced by mills from coil is 2000mm and the maximum thickness is 13mm for hot rolled and 8mm for cold rolled.

Stainless steel quarto plate products – ASTM Aa240M
Another method of producing stainless steel plate within and beyond the thickness range of coil production is from a slab of steel that is rolled in the flat condition to a specified length, width and thickness. The product of this process is commonly referred to as quarto plate and is available from mills in thickness from 5mm and above and widths to 4000mm in some thicknesses.

The standard grades and thickness for quarto plate are as follows:

Quarto plate is commonly stocked as a dual certified grade, i.e. 304/304L and 316/316L.

Stainless steel chequer (floor) plate

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