See the chemical composition and physical properties of BS Grade M19, find alternative materials, and connect with suppliers. m19 delivered from stock. a medium tensile strength carbon manganese steel suitable for BS /, Chemical Composition, BS USAWELD – Carbon Manganese Steel – Colour: Black/Green BS Part 1: M19 BS EN 28Mn6 BS EN14A.

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Basic Notes on steels BS numbering system explained Modern equivalents to BS ;EN numbers This information is of a general nature for initial guidance. Selection of materials for use must be by communication with the suppliers and by reference to the appropriate codes – The best standards to use are the European EN based standards.

The values below are not comprehensive and must be used with extreme care. The strength values e. In the tables below the relevant sections are often thin and so the strength values are maximum values. Please refer to the relevant standards for important work. The number represents the manganese content x The second and third number indicate the sulphur content x A The steel is supplied to a chemical compostion determine by analysis of the batch sample.

In addition to the above coding a condition coding may be applied.

Carbon Manganese Steels

This is used in conjunction with a limiting section designation. The information on this page has not been checked by an independent person. Use this information at your own risk. A low carbon, free cutting, mild steel suitable for machining using automatic and CNC machines. Available as rolled or normalised in round, flat or 1501m9 form. A mild 150m119 used for general purposes.


Suitable for lightly stressed fasteners ,shafts etc. Can be easily machined and welded. Available hot rolled, normalised, cold drawn or turned. Supplied in Black round or squarebright round square, flat and hexagon. A medium strength steel. Used to make, shafts, racks, pinions, studs, bolts, nuts, rollers, etc. Supplied as square bar, or round bar or flat. Suitable for stressed pins, shafts studs, keys etc.

Available as rolled or normalised. A hs970 wearing medium carbon steel which can be hardened. Available as hot rolled, normalised, Cold drawn or turned. Sections available black round, black square, bright round and black flat. A case hardening mild steel suitable for general engineering applications.

When case 150m199 results in a hard surface with a tough core.

BS 970-1 Grade 150M19

Used for making gears cams and rollers etc. Supplied as black round bar and sections. A manganese molydenum steel with good ductily and mechanical strength.

Available in heat treated condition e. Supplied as black round or square bar and bright round or square, and hexagons. Can be induction hardened. Used for gears, and high strength shafts etc. Suitable for higher strength applications when resistance to shock is required.

A nickel chromium molybdenum steel with high strength and toughness. Used for gears axles and high strength studs. Supplied as rolled, annealed and hardened and tempered. A high quality nickel chromium case hardening steel. Can be hardened to provide hard surface with a strong tough core. Used for high duty gears and shafts. Supplied in as-rolled condition in black square and round bar and bright round. Provide good tough core strength with a hard bbs970 surface for wear resistance.


Supplied in as-rolled, annealed and hardened and tempered condition in black square and round bar. Martensitic Magneticcan be hardened and tempered to give improved tensile strength. Typical applications include cutlery, surgical instruments, fasteners, valves, spindles and shafts. Supplied heat treated sb970 a high tensile strength. Low Strength but good ductility. Used food processing and catering equipment and automotive trim,car exhaust systems etc.

Austenitic Non-Magnetic Cannot be heat treated but work hardens. Readily formed and welded,used mainly in domestic, dairy and decorative appliances general purpose grade for corrosion resistant applications. This grade is the most widely used of all stainless steels. Its chemical composition,provide the best all-round performance S.

It 10m19 excellent low temperature properties.

Lower Carbon grades S15 and less have improved weldability. It offers high resistance to corrosion. Generally machined components and pipe fittings. This grade is almost as popular as the grade the increased Mo content makes the steel more suitable for resisting pitting and crevice then Grade. Titanium stabilized, which offers improved welding properties.

Pocesses good resistance to scaling at high temperatures. For continuous high temperature service in the range – oC.

BS EN steel Equivalent.

BS Steel For Construction, Rs /kilogram, Bharat Aerospace Metals | ID:

Contains physical and mechanical properties Steel grade equivalents. Single page conversion sheet. A comprehensive reference text on european metals including Ref to latest Standards Matweb The best source of material Information in the Web.