BS EN ISO 439:2020 pdf free.Steel and cast iron - Determination of silicon content - Gravimetric method. BS EN ISO 439 Heat the uncovered beaker slightly until the attack is complete and then, increase the rate of heating.As soon as the first white perchloric acid fumes appear, cover the beaker with the watch glass and continue fuming for about 20...
BS EN ISO 24034:2020 pdf free
BS EN ISO 24034:2020 pdf free.Welding consumables - Solid wire electrodes,solid wires and rods for fusion welding of titanium and titanium alloys - Classification. BS EN ISO 24034 This document specifies requirements for the classification of solid wire electrodes, solid wires and rods for fusion welding of titanium and titanium alloys. The classification is based on their chemical composition.The compositions...
BS EN IEC 60034-5:2020 pdf free
BS EN IEC 60034-5:2020 pdf free.Rotating electrical machines.Degrees of protection provided by the integral design of rotating electrical machines (IP code) —Classification. BS EN IEC 60034-5 This part of IEC 60034 applies to the classification of degrees of protection provided by enclosures for rotating electrical machines. It defines the requirements for protective enclosures that are in all other respects suitable...
BS EN 50488:2020 pdf free
BS EN 50488:2020 pdf free.Railway applications一Fixed installations一Electrical protective measures for working on or near an overhead contact line system and/or its associated return circuit. BS EN 50488 The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies....
BS EN 17414-1:2020 pdf free
BS EN 17414-1:2020 pdf free.District cooling pipes一Factory made flexible pipe system,Classification, general requirements and test methods. BS EN 17414-1 This document specifies requirements and test methods for factory made thermally insulated flexible pipe-in-pipe assemblies for directly buried district cooling distribution systems, comprising a service pipe and a casing of polyethylene. The pipe assembly can also include the following additional elements:measuring...
BS EN 17333-2:2020 pdf free
BS EN 17333-2:2020 pdf free.Characterisation of one component foam,Expansion characteristics. BS EN 17333-2 This document specifies test methods for the evaluation of the expansion properties for moisture curing，self-curing activatable or water drying foams dispensed from single pressurized foam containers.This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility...
BS EN 17333-3:2020 pdf free
BS EN 17333-3:2020 pdf free.Characterisation of one component foam,Application. BS EN 17333-3 This document specifies test methods for the evaluation of the application properties for moisture curing, self-curing activatable or water drying foams dispensed from single pressurized foam containers. This document does not purport to address all of the safety concerns, if any, associated with its use. It is the...
BS EN 17339:2020 pdf free
BS EN 17339:2020 pdf free.Transportable gas cylinders一Fully wrapped carbon composite cylinders and tubes for hydrogen. BS EN 17339 This document specifies minimum requirements for the materials, design, construction,prototype testing and routine manufacturing inspections of composite gas cylinders and tubes for compressed hydrogen. NOTE1 Unless specified in the text, for the purposes of this document, the word "cylinder" includes tubes. This...
BS EN 17375:2020 pdf free
BS EN 17375:2020 pdf free.Electronic cigarettes and e-liquids -Reference e-liquids. BS EN 17375 4.3.1 To perform tests, there are two reference e-liquids (see 4.3.2 and 4.3.3) and their composition is described in 4.3.4. 4.3.2 A reference e-liquid, termed 70/30, which contains propylene glycol (PG) (4.2.1) and glycerol (vegetable glycerine) (VG) (4.2.2) in a ratio of 7:3 respectively.4.3.3 A reference e-liquid,...
BS EN 6046:2020 pdf free
BS EN 6046:2020 pdf free.Aerospace series一Bearing, spherical, plain,in corrosion resisting steel- Narrow series一Dimensions and loads - Inch series. BS EN 6046 This European standard specifies the characteristics of inch based spherical plain bearing, metal to metal, in corrosion resisting steel, narrow series.They are intended for use in fixed or moving parts of the aircraft structure and their control mechanisms.They shall...