an alternative to the functional tolerances in Annex B, BS EN [1] does allow the use of BS EN ISO [4]; this is more likely to be used in cases of. International Standard ISO was prepared by the European Committee for Standardization (CEN) in collaboration with ISO Technical Committee TC Specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four classes, these being based on customary.

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Retrieved 7 November Welding — Guidance on the measurement of preheating temperature, interpass temperature and preheat mainteanance temperature. The actual size of an angle shall be determined by applying suitable measuring devices tangentially to the weldment, but away from the zone immediately influenced by the weld.

These normative references are cited at the appropriate place in the text and the publications are listed hereafter. Technical requirements for steel structures.

Skip to content Personal Growth. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover.


This does not preclude the free use, in the course of bd the standard, of necessary details such as symbols, and size, type or grade designations. Contact the Information Centre.

The program asks the user to drag and drop a DVD icon into it for ripping. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Februaryand conflicting national standards shall be withdrawn at the latest by February The distances between the actual surface and the measuring plane shall be measured example see Figure 8.


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Formes et positions Title in German Schweissen. A British Standard does not purport to include all the necessary provisions of a contract. Recommendations for joint preparation. You may find similar items within these categories by selecting from the choices below:. ISO Tolerances Perhaps you have a typo.

The European Committee bs en iso Standardization CEN had issued numerous standards covering welding processes, which unified and isk former national standards. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. Covered electrodes for manual metal arc welding of non-alloy and fine grain steels.

Diver-welders and welding operators for hyperbaric dry welding. Welding and allied processes. Formes et positions Title in German Schweissen.

BS EN ISO 焊接.焊接结构的通用公差.长度和角度尺寸.形状和位置 – MBA智库文档

Welding and allied processes — Classification of geometric bs en iso in metallic materials bs en iso Part 1: Users can change the font in which the document is displayed and adjust the size from between 12 and 30 point.

This does not apply to temporary dimensions. For undated references the last edition of the publication referred to applies. Users of British Standards are responsible for their correct application.


Iso bf single V weld preparation. ISOVernier callipers reading to 0,02 mm. Search all products by. The length of the leg may also be assumed to extend to a specified reference point. Petroleum and natural gas industries — Pipeline ixo systems — Welding of pipelines.

See Table 2 for the relevant tolerances. BSI isoo holds the copyright, in the UK, of the publications of the international standardization bodies. Other testing and measuring devices may be used by agreement. The potential difficulty associated with working to specified tolerances is the amount of checking required iso bf the fabrication factory. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have 13902 published as British Standards, unless otherwise requested.

The level of accuracy common to a mechanical engineering workshop is generally unnecessary for constructional steelwork — for which it would have to be justified because such accuracy comes at a substantial cost and enn special facilities, including machining.

Revisions British Standards are updated by amendment or revision. Shape and position Status: This may be effected, for example, with the aid of optical devices, isp water levels, span wires, floor plates, surface plates, and machine beds.