Specification for 2 ½% nickel-chromium-molybdenum steel tubes (1160 MPa)1 Scope This British Standard specifies the inspection and testing procedures, chemical composition, heat treatment and mechanical properties for 2 % nickel chromium molybdenum steel supplied in the form of tube for aerospace purposes.

is determined

safety integrity and safety-related systems

safety and environmentally acceptable practices

is excluded from BS EN 61000-3-2 and may be subject to installation restrictions as indicated in IEC/TR 61000-3-4 or IEC 61000-3-12

Who is BS EN 13087-10-Protective helmets for radiant heat resistance for

It details how to screen individuals who want to work in “secure” environments

Is there anything BS 7375 - Electricity on construction and demolition sites does not cover

This European Standard specifies the measurement and test methods for the efficiency assessment of petrol vapour recovery systems for service stations (Stage II)

Although specific situations and investigation objectives may require adjustments to the outlined procedure the general principles given in BS EN 17136 should still be valid

Although this document is primarily applicable to the development of sanitation systems that are not connected to water and electricity networks

Note 1: ISO 21013-4 is restricted to valves not exceeding a size of DN 300 designed to relieve single-phase vapours

2 Sludge quantity assessment