BSI BS EN 13298 Railway applications Suspension components Helical suspension springs, st... BSI BS EN 13322-2 Transportable gas cylinders - Refillable welded steel gas cylinders - D... BSI BS EN 13322-1 Transportable gas cylinders - Refillable welded steel gas cylinders - D... BSI BS EN 4554 Pipe coupling 37?, spherical, in heat resisting steel Straight unions, thr... BSI BS EN 4551 Pipe coupling 37?, in heat resisting steel Swivel nuts Inch series BSI BS EN 4552 Pipe coupling 37?, spherical, in heat resisting steel Straight nipples, we... BSI BS EN ISO 15761 Steel gate, globe and check valves for sizes DN 100 and smaller, for ... BSI BS EN 4420 Clips, spring tension, in alloy steel FE-PA3903 BSI BS EN ISO 8502-12 Preparation of steel substrates before application of paints and re... BSI BS EN 4563 Pipe coupling, welded, in heat resisting steel Tees Inch series BSI BS EN 4561 Pipe coupling, welded, in heat resisting steel Elbow 90 degree Inch series BSI BS EN 4562 Pipe coupling, welded, in heat resisting steel Reductors Inch series BSI BS EN 4556 Pipe coupling 37 degree, in heat resisting steel Cap assemblies Inch serie... BSI BS EN 4555 Pipe coupling 37 degree, in heat resisting steel Ferrules, welded end Inch... BSI BS EN 4553 Pipe coupling 37 degree, spherical, in heat resisting steel Elbow 90 degre... BSI BS EN 4557 Pipe coupling 37 degree, spherical, in heat resisting steel Tees nipples, ... BSI BS EN 12499 Internal cathodic protection of metallic structures - CORR 14828: Decembe... BSI BS EN 10297-1 Seamless circular steel tubes for mechanical and general engineering pu... BSI BS EN 4549 Pipe coupling, in heat resisting steel or in heat resisting nickel alloy C... BSI BS EN 12680-2 Founding Ultrasonic examination Part 2: Steel castings for highly stres... BSI BS EN 12680-1 Founding Ultrasonic examination Part 1: Steel castings for general purp... BRE FB5 New fire design method for steel frames with composite floor slabs - C Bailey BSI BS ISO/TR 12391-3 Gas cylinders Refillable seamless steel Performance tests Part 3: Fract... BSI BS ISO/TR 12391-2 Gas cylinders Refillable seamless steel Performance tests Part 2: Fract...