BS EN 3833 pdf free download
BS EN 3833 pdf free download.Aerospace series – Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), passivated – Classification: 1 550 MPa [at ambient temperature) / 650 °C – Technical specification.
3.2 inspection lot quantity of parts from a single production batch with the same part number which completely defines the part 3.3 Surface discontinuities 3.3.1 crack rupture in the material which may extend in any direction and which may be intercrystalline or transcrystalline in character 3.3.2 seam open surface defect 3.3.3 lap surface defect caused by folding over metal fins or sharp corners and then rolling or forging them into the surface 3.3.4 inclusions non-metallic particles originating from the material manufacturing process Note 1 to entry: These particles may be isolated or arranged in strings. 3.4 test temperature ambient temperature unless otherwise specified 3.5 simple random sampling taking of n items from a population of N items in such a way that all possible combinations of n items have the same probability of being chosen 3.6 critical defect defect that, according to judgement and experience, is likely to result in hazardous or unsafe conditions for individuals using, maintaining, or depending upon the considered product, or that is likely to prevent performance of the function of a major end item 3.7 major defect defect other than critical, that is likely to result in a failure or to reduce materially the usability of the considered product for its intended purpose 3.8 minor defect defect that is not likely to reduce materially the usability of the considered product for its intended purpose, or that is a departure from established specification having little bearing on the effective use or operation of this product 3.9 sampling plan plan according to which one or more samples are taken in order to obtain information and possibly to reach a decision 3.10 Limiting Quality LQ10 quality limit which, in a sampling plan, corresponds to a specified 10 % probability of acceptance 3.11 Acceptance Quality Limit AQL quality limit which, in a sampling plan, corresponds to a specified but relatively high probability of acceptance Note 1 to entry: It is the maximum per cent defective (or the maximum number of defects per hundred units) that, for purposes of sampling inspection can be considered satisfactory as a process average. 3.12 finished bolt bolt ready for use, inclusive of any possible treatments and/or surface coatings, as specified in the product standard or definition document 3.13 definition document document specifying all the requirements for finished bolts 4 Quality assurance 4.1 Qualification The manufacturer’s operations shall be an approved production organisation for aerospace products and shall demonstrate that it has implemented and is able to maintain a quality management system [e. g. according to EN 9100 or an equivalent aerospace accepted and established quality management system). The qualification procedure for aerospace standard products [e.g. according to EN 9133 or an equivalent aerospace accepted and established qualification procedure) shall be used and documented according to the specified tests if not otherwise agreed between customer and supplier. The product qualification shall be performed to the process as defined in e.g. EN 9133 to achieve a qualification approval from the controlling Certification Authority (CA). Qualification inspections and tests (requirements, methods, numbers of bolts) are specified in Table 1. They shall be carried out on: – each type and diameter of bolt; – 25 bolts selected from a single inspection lot by simple random sampling.BS EN 3833 pdf download.
