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Alloy Steel
Alloy Steel: Properties, Processing and Applications
Alloy steel is a class of steel that, in addition to carbon, is alloyed with other elements, ranging from 1 wt.% to 50 wt.%, which are used to enhance the material’s various properties. These elements commonly include manganese, nickel, chromium, molybdenum, vanadium, silicon, and boron. Less common elements include aluminum, cobalt, copper, cerium, niobium, titanium, tungsten, tin, zinc, lead, and zirconium.
If you do not find the alloy steel grade you require on our website, please contact our sales team who may assist you with your inquiry.
Engineering Steel
Nitriding Steel
Case Hardening Steel
Oil & Gas Steel
Alloy Spring Steel
Heat Treatment
Welding
Engineering Steel
Engineering Steel grades are commonly alloy steels which can be hardened and tempered to a range of high tensile strengths and mechanical properties. Engineering steel grades are tough, easily heat treated and do not suffer from temper brittleness. These steels are used in a wide variety of applications where high tensile properties are required. Common engineering components produced include crankshafts, gears, bolts and machine parts.
Nitriding Steel
Nitriding Steel grades are commonly chromium molybdenum (chrome moly) and chromium aluminium molybdenum types, such as EN40B and EN41. Nitrided EN40B can achieve a surface hardness in excess of 65HRc. The addition of aluminium to EN41 nitriding steel enables this grade to achieve a surface hardness in excess of 68HRc. Flat bar sizes are limited in these specifications, we can offer 1.2311 or 1.2312 nitriding steel grades as an alternative.
Case Hardening Steel
Case Hardening Steel grades are commonly supplied in the as rolled condition and can be carburised heat treated to give a high surface hardness and (with alloy case hardening steel grades) a tough core. The nickel and chromium combination of EN36 make this a good quality case hardening steel specification offering higher strength levels and a more uniform hardness than that of other carburising grades.
Oil & Gas Steel
Oil & Gas Steel grades are supplied in round bar only, diameters can be cut to your required lengths. These grades are commonly supplied heat treated conforming to SAE and AISI steel specifications.
Alloy Spring Steel
Silicon manganese spring steel (often used for producing and repairing leaf springs) is supplied in flat bar with a limited range of sizes in round bar. Chromium vanadium alloy spring steel is available in a limited range of round bar.
Heat Treatment
Heat treatment temperatures for alloy steel specifications, including rate of heating, cooling and soaking times etc. will vary due to factors such as the shape and size of each alloy steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of alloy steel grades.
Welding
We recommend you contact your welding consumables supplier who should provide you with full assistance and information on welding alloy steel grades.
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