Stainless Steel

The four major types of stainless steel are:

• Austenitic
• Ferritic
• Austenitic-Ferritic (Duplex)
• Martensitic

Austenitic Stainless Steels

Austenitic is the most widely used type of stainless steel. Nickel and manganese are two alloying elements that will make the structure fully austenitic if added in appropriate amounts. An austenitic structure promotes ductility, non-magnetic properties, good weldability and possibilities for a wide range of service temperatures. The range of applications of austenitic stainless steel includes housewares, containers, industrial piping and vessels, architectural facades and constructional structures.

Ferritic Stainless Steels

Ferritic stainless steel has properties similar to mild steel but with the better corrosion resistance. The most common of these steels are 12% and 17% chromium containing steels, with 12% used mostly in structural applications and 17% in housewares, boilers, washing machines and indoor architecture.

Austenitic-Ferritic (Duplex) Stainless Steels

Duplex stainless steel has a ferritic and austenitic lattice structure - hence common name: duplex stainless steel. Duplex stainless steels have a smaller nickel-content than the austenitic grades. The structure is 50 % ferritic and 50 % austenitic and this gives a layered structure with high strength. The Duplex grades are widely used in tank applications, pulp & paper industry, oil& gas industry and in desalination.

Martensitic Stainless Steels

Martensitic stainless steel contains mostly 11 to 13% chromium and is both strong and hard with moderate corrosion resistance. This steel is for instance used in turbine blades and in knives.

FORMS AND TYPES OF STAINLESS STEEL

STAINLESS STEEL RODS/ROUNDS & WIRE

ROUND BARS, SQUARE RODS, HEXAGONAL RODS,AS PER ASTM AND AISISTD IN 202, 303, 304, 304L, 316, 316L, 310, 321, 410, 420, 430, 431 and all 300 and 400 series and other grades

STAINLESS STEEL FLATS, ANGLES, CHANNELS AND CIRCLES

AS PER ASTM AND AISISTD IN 202, 303, 304, 304L, 316, 316L, 310, 321, 410, 420, 430, 431 and all 300 and 400 series and other grades

STAINLESS STEEL PIPES/TUBES

ROUND PIPES, SQUARE PIPES, RECTANGULAR PIPES OF ERW AND SEAMLESS QUALITY
AS PER ASTM AND AISISTD IN 202, 304, 304L, 316, 316L, 310, 321, 410 and all 300 and 400 series and other grades

STAINLESS STEEL SHEETS AND PLATES

SHEETS (2B,BA,NO.4,MIRROR,MAT FINISHES), PLATES, CHEQURED SHEETS, COILS, AND SHIMS

STAINLESS STEEL FITTINGS

FLANGES, ELBOWS, TEES, REDUCERS, NIPPLES, UNIONS, VALVES, NUTS, BOLTS , FERRULES ETC.