The MGA With An Attitude
Common STEEL ALLOYS, British Specifications -- UT-160
En1A, En3B, En8, En9, En14, En16, En19, , En36

En1A EN1A, also known as 230M07. EN1A is low carbon mild steel. Properties: free cutting, suitable for machining using both automatic and CNC machines.
En1A Leaded  EN1A Leaded, also known as 230M07 Pb. A low carbon mild steel with added lead. Properties: free cutting, suitable for machining using both automatic and CNC machines.
En3B EN3B, also known as 070m20. En3b is a mild steel suitable for welding and general machining. AISI 1020, werkstoff 1.0402.

EN8 also know as 080M40. An unalloyed medium carbon steel. EN8 is a medium strength steel, good tensile strength. Suitable for shafts, stressed pins, studs, keys etc. Available as normalised or rolled. AISI 1040, werkstoff 1.1186.

En9 EN9, also known as 070m55, carbon content 0.50/0.60 this is a medium carbon steel which can develop a tensile strength of 700N/mm 45tsi. In the normalised condition EN9 can be used for gears, sprockets and cams. AISI 1055, werkstoff 1.0535

EN14 also known as 150m19. A medium tensile strength carbon manganese steel suitable for welding. EN14 can be hardened and tempered to 550-850N/mm2. EN14 offers good ductility combined with excellent shock resistance. AISI 1524, werkstoff 1.1160.

En16, En16t EN16 also known as 605m36 comes as rolled or in the T condition it has good mechanical properties and has freedom from temper brittleness ideal for bolts, nuts, shafts and axles.

EN19 also known as 708M40 / 709M40 comes treated in the annealed as rolled or even T condition. Renown for its wear resistance properties and where high strength properties is required. Suitable for gears, shafts, spindles, etc. AISI 4140, werkstoff 1.7225.

En24, En24t EN24 also known as 817m40 comes treated in the T condition to 850/1000 N/mm2. AISI 4340, werkstoff 1.6565.
En36 En36 aka 655m13, is a nickel chromium case hardening steel which is suitable for deep hardening to develop a tough core is suitable for gears, cams rollers available in diameters only. AISI 3415, werkstoff 1.5752.
AISI 4130 AISI 4130 - chromium molybdenum alloy steel. Often used in aircraft parts also frequently used within the gas and oil industry. Supplied treated in the T condition Brinell 248-302 in blocks, flats and squares. Werkstoff 1.7218, BS 970 1991 708A25 / 708M25.

For more information on alloy details and available configurations see

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