Specification for hard metal for wire, bar and tube drawing diesWhat is BS 4276 Hard metal for wire about? BS 4276 provides a set of guidelines that consist of specifications for hard metal for wire, bar, and tube drawing dies. BS 4276 specifies eight types of Hard Metal grades for use in wire, bar, and tube drawing dies and lays down the hardness, composition, and grain size required for the Hard Metal for these grades. BS 4276 has been prepared under the authority of the Mechanical Engineering Industry Standards

for limiting corrosion and other deterioration

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and marking for use in metal-framed wheeled screens to manufacture high quality and durable metal-framed wheeled screens for use in hospitals

Manufacturers working with all cast metallic materials

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d) the minimum working temperature is not lower than -50 oC

This International Standard specifies the safety and interchangeability requirements

BS EN 2583 specifies the characteristics

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or to a combination of these

This standard clarifies the requirements for quality classification of the flexible OCBs incorporating optical glass fibers

a guide to the quality of the board