BS EN 1559-1:2011 pdf download – Founding — Technical conditions of delivery Part 1 : General 6 Manufacture 6.1 ●● Manufacturing process The manufacturing process shall be left to the discretion of the manufacturer unless otherwise agreed by the time of ordering or otherwise specified in the product standard. NOTE The manufacturing process covers all operations up to the delivery of the casting(s). If requested in the order, the melting and moulding processes shall be indicated to the purchaser for information. 6.2 Welding operations 6.2.1 General The terms and definitions contained in the relevant European Standards for welding shall apply. 6.2.2 ●● Production welding 6.2.2.1 Production welding includes finishing welding and joint welding. When joint welding is required, the purchaser shall give clear information in the inquiry and order. 6.2.2.2 ●● According to the weldability of the material, the geometry of the weld and the shape and the purpose of the casting three options are available for finishing welding. Unless the option of choice is laid down in any relevant product standard and/or delivery standards, then the parties shall agree on one or more of the options below: a) manufacturer may undertake finishing welding without reference back to the purchaser; b) manufacturer shall inform the purchaser that finishing welding has been undertaken; c) manufacturer shall obtain the purchaser’s agreement prior to undertake finishing welding. The order may require an approved procedure and/or a technical welding sheet and/or suitably qualified welders. 6.2.2.3 ●● With due regard to the material and the shape of the casting, production welds shall be made in such a manner that the values obtained for the relevant properties of the weld metal and the heat-affected zone, are sufficient to correspond to the requirements of the parent material. Agreements may be made regarding the filler metals used. Otherwise, the manufacturer shall decide this, where applicable, in accordance with the recommendations of the standard covering the material, or his experiences. The areas where production welds are to be made shall be prepared and inspected so as to ensure a satisfactory weld. No plugs or similar devices shall be used when carrying out the welding work unless agreements to the contrary have been made with the purchaser. If filler pieces are inserted in the case of large weld areas, these shall be similar to parent material. 6.2.2.4 ●● If a casting is locally or completely subject to exceptional stresses and...
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