Steel on IndustryNet
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STEEL (94 companies)
STEEL - Alloy (11 companies)
STEEL - Aluminized (3 companies)
STEEL - Carbon (19 companies)
STEEL - Cold Drawn (8 companies)
STEEL - Cold Finished (19 companies)
STEEL - Cold Rolled (23 companies)
STEEL - Corrugated (2 companies)
STEEL - Dual Phase (2 companies)
STEEL - Flat Rolled (24 companies)
STEEL - Galvanized (39 companies)
STEEL - High Carbon (2 companies)
STEEL - Hot Rolled (27 companies)
STEEL - Hot Rolled Bar, Rod & Wire (1 company)
STEEL - Recycled (10 companies)
STEEL - Reinforcing (43 companies)
STEEL - Shim (2 companies)
STEEL - Specialty (8 companies)
STEEL - Textured (2 companies)
STEEL - Tool (9 companies)
STEEL BALLS (5 companies)
STEEL BARS (58 companies)
STEEL BARS - Chrome Plated (3 companies)
STEEL BILLETS (1 company)
STEEL BLANKING (8 companies)
STEEL CELLAR DOORS (1 company)
STEEL COIL (52 companies)
STEEL COLUMNS & POSTS (8 companies)
STEEL CUTTING (64 companies)
STEEL DETAILERS - Structural (3 companies)
STEEL DISTRIBUTORS & WAREHOUSES (449 companies)
STEEL EDGE CONDITIONING (1 company)
STEEL ERECTORS (34 companies)
STEEL FABRICATING EQUIPMENT (10 companies)
STEEL FLAME CUTTING (15 companies)
STEEL FOUNDATION SYSTEMS (2 companies)
STEEL FRAMING (25 companies)
STEEL HARDENING (1 company)
STEEL IMPORTERS (1 company)
STEEL MILL MACHINERY (18 companies)
STEEL MILLS (22 companies)
STEEL PICKLING (14 companies)
STEEL PLATES (68 companies)
STEEL POLES (12 companies)
STEEL PROCESSING (198 companies)
STEEL PROCESSING EQUIPMENT (15 companies)
STEEL PRODUCTS (90 companies)
STEEL ROLL FORMING (18 companies)
STEEL ROLLING (17 companies)
STEEL ROLLS (17 companies)
STEEL SERVICE CENTERS (420 companies)
STEEL SHEARING (12 companies)
STEEL SHEET (12 companies)
STEEL SHEETS (24 companies)
STEEL SHOT (2 companies)
STEEL SLITTING (67 companies)
STEEL STRAIGHTENING (2 companies)
STEEL STRIP (8 companies)
STEEL STRIP - Cold Rolled (3 companies)
STEEL WATERJET CUTTING (2 companies)
STEEL WOOL (4 companies)
BALLS - Stainless Steel (4 companies)
BARRELS - Steel (2 companies)
BEAMS - Steel (22 companies)
BELLOWS - Stainless Steel (5 companies)
BELTING - Stainless Steel (1 company)
BOILERS - Steel (8 companies)
BOXES - Steel (2 companies)
BRIDGES - Steel (6 companies)
BUILDINGS - Pre-Engineered Steel (48 companies)
BUILDINGS - Steel (38 companies)
BUSHINGS - Steel (1 company)
CABINETS - Steel (11 companies)
CABLES - Steel (2 companies)
CASTERS - Stainless Steel (3 companies)
CASTINGS - Carbon Steel (6 companies)
CASTINGS - Manganese Steel (2 companies)
CASTINGS - Stainless Steel (26 companies)
CASTINGS - Steel (72 companies)
CHAINS - Alloy Steel (10 companies)
CONCRETE REINFORCING STEEL (69 companies)
CONDUIT - Steel (4 companies)
CONES - Steel (0 companies)
CONTAINERS - Steel (48 companies)
CONVEYORS - Stainless Steel (7 companies)
COUNTERTOPS - Stainless Steel (2 companies)
CYLINDERS - Steel (2 companies)
DECKS - Steel (7 companies)
DIES - Steel (8 companies)
DIES - Steel Rule (151 companies)
DOORS - Steel (71 companies)
DRAINS - Stainless Steel (1 company)
DRUM RINGS - Steel (4 companies)
DRUMS - Steel (48 companies)
FASTENERS - Stainless Steel (22 companies)
FASTENERS - Steel (21 companies)
FENCES - Steel (3 companies)
FILTERS - Stainless Steel (3 companies)
FITTINGS - Stainless Steel (24 companies)
FLANGES - Carbon Steel (8 companies)
FLANGES - Stainless Steel (9 companies)
FORGINGS - Carbon Steel (1 company)
FORGINGS - Iron & Steel (12 companies)
FORGINGS - Steel (75 companies)
GIRDERS - Steel (3 companies)
GRINDING - Steel (10 companies)
HANGERS - Structural Steel (2 companies)
HEAT TREATING - Steel (4 companies)
JOISTS - Steel (26 companies)
KETTLES - Stainless Steel (2 companies)
LADDERS - Iron & Steel (2 companies)
LADDERS - Steel (5 companies)
LOCKERS - Steel (8 companies)
MACHINING - Stainless Steel (8 companies)
MOLDS - Steel (31 companies)
PAILS - Steel (7 companies)
PALLET RACKS - Steel (5 companies)
PILINGS - Steel (3 companies)
PIPE - Stainless Steel (33 companies)
PIPE - Steel (182 companies)
PIPE FITTINGS - Stainless Steel (22 companies)
POLISHING - Stainless Steel (4 companies)
PROCESS EQUIPMENT - Stainless Steel (7 companies)
RAILINGS - Iron & Steel (29 companies)
RINGS - Iron & Steel (12 companies)
ROLL FORMED SHAPES - Steel (6 companies)
ROLLERS - Steel (5 companies)
ROOFING - Steel (15 companies)
RUSTIC STEEL (0 companies)
SHELVING - Steel (26 companies)
SINKS - Stainless Steel (20 companies)
SPRING STEEL (1 company)
SPRINGS - Steel (18 companies)
STAINLESS STEEL (51 companies)
STAINLESS STEEL BAR (15 companies)
STAINLESS STEEL DISTRIBUTORS (47 companies)
STAINLESS STEEL FABRICATORS (248 companies)
STAINLESS STEEL FINISHING (4 companies)
STAINLESS STEEL PARTS (8 companies)
STAINLESS STEEL PROCESSING (12 companies)
STAINLESS STEEL RECYCLING (0 companies)
STAINLESS STEEL SCRAP PROCESSING (2 companies)
STAINLESS STEEL SERVICE CENTERS (26 companies)
STAINLESS STEEL SHEET (9 companies)
STAINLESS STEEL STRIP (6 companies)
STAIRS - Iron & Steel (68 companies)
STAMPINGS - Steel (15 companies)
STAMPS - Steel Marking (9 companies)
STRAPPING - Steel (22 companies)
STRUCTURAL STEEL ERECTION (25 companies)
STRUCTURAL STEEL FABRICATION (1,605 companies)
STRUCTURAL STEEL HAULING (0 companies)
STUDS - Steel (18 companies)
TABLES - Stainless Steel (2 companies)
TANKS - Carbon Steel (9 companies)
TANKS - Stainless Steel (49 companies)
TANKS - Steel (77 companies)
TOOL STEEL DISTRIBUTORS (18 companies)
TOOLS - Steel (9 companies)
TRAILERS - Steel (13 companies)
TRUSSES - Steel (34 companies)
TUBING - Carbon Steel (8 companies)
TUBING - Stainless Steel (55 companies)
TUBING - Steel (127 companies)
TUBING - Steel, Seamless (7 companies)
TUBING - Steel, Welded (25 companies)
TUBING - Structural Steel (11 companies)
VALVES - Stainless Steel (15 companies)
WATERJET CUTTING SERVICES - Stainless Steel (5 companies)
WELDING - Stainless Steel (15 companies)
WINDOWS - Steel (3 companies)
WIRE - Stainless Steel (13 companies)
WIRE - Steel (37 companies)
WIRE ROPE - Stainless Steel (5 companies)
Steel
Steel is alloys of iron and other elements, mostly carbon and is widely used in construction and other applications due to its high tensile, strength, and low cost.
Although steel had been produced in bloomery furnaces for thousand of years, steel’s use has expanded extensively after more efficient production methods were devised. Manufacturing Processes for Steel: There are two major commercial processes for making steel, namely basic oxygen steel making and arc furnace (EAF) steelmaking. Basic Oxygen Steel Making Process (also known as primary steelmaking process) • Iron is extracted from iron ores, is mined and refined to remove the oxygen content This is done by heating the ores with coke and limestone to temperature of about 1600C in a blast furnace • The resultant material after the heating process is completed is referred to as pig or cast iron and is brittle in consistency. Some carbon residue remains, in addition to other unwanted elements, which must be reduced by further refinement before the material becomes steel • A controlled system of oxidation is used to manipulate the carbon content. Other impurities must also be removed from the melt so as to achieve the appropriate content. This process is known as basic due to the chemical nature of the refractories, calcium oxide and magnesium oxide, which line the vessel to withstand the corrosive nature of the molten metal and slag. The slag chemistry of the process is also controlled to ensure that Impurities such as silicon and phosphorus are removed from the metal. Another process for primary steelmaking is the Hisarna steelmaking process, in which iron ore is processed almost directly into steel. This process is based around a new type of blast furnace called a Cyclone Converter Furnace. This allows the process of manufacturing pig iron pellets to be skipped. The Hisarna steelmaking process is more energy efficient and has a lower carbon footprint than the traditional steelmaking processes. The vast majority of steel manufactured in the world today is produced using this method. Electric Arc Furnace (EAF) Steel Making or (secondary steel making process) • Uses scrap steel or direct reduced iron (DRI) as the main feed materials • Electrical energy us then used to melt the materials Secondary steel making involves refining of the crude steel before casting. The various operations are normally carried out in ladles. In this metallurgy, alloying agents are added, dissolved gases in the steel are lowered and inclusions are removed or altered chemically to ensure high quality steel is produced after casting. Electric Arc Furnace steelmaking process, typically uses furnaces of a capacity of around 100 tonnes, and produces steel every 40 to 50 minutes. EAF or Electrical Arc Furnace steelmaking technology has evolved closer to oxygen steelmaking as more chemical energy is introduced into the process. The carbon content of steel is crucial to its strength and is lower than 2.11%. This figure is an indicator where in the processing of the materials at 900 C5, a complete phase change can occur. Plain carbon steels are those in which manganese is the only other remaining element. The general term alloy steel in the industry refers to those steels which have contributors from other elements amounting to 5% by weight or over. Purchasing Tips: • Assess your needs prior to starting the purchasing process. Know what is needed and where it’s available • Know the brands – conduct detailed researches and choose popular manufacturers who are well known and well respected in the industry- read their customers reviews. • Obtain several estimates for comparison • Determine and decide on a purchasing budget and price range.
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