ISO 683-3-2019 pdf free.Heat-treatable steels, alloy steels and free-cutting steels – Part 3:Case-hardening steels.
A comparison between the designation of steels given in this document with various designation systems is given in AniiexL
5 Information to be supplied by the purchaser
5.1 Mandatory information
The following information shall be supplied by the purchaser at the time of enquiry and order:
a) quantity to be delivered;
b) designation of the product form (slab, bloom, billet, round bar or square bar, wire rod, wide flats, sheet, plate, strip, forging. etc.);
c) either the designation of the dimensional standard(s) and the dimensions and tolerances selected from this or these (see Z) or, for example, in the case of drop forgings, the designation of the drawing or any other document covering the dimensions and tolerances required for the product;
d) a reference to this document. i.e. ISO 6833;
e) the designation of the steel type given in Table&
f) standard designation for a test report 2.2 or, if required, any other type of inspection document in accordance with ISO 10474 (or in accordance with another regional standard, e.g. EN 10204 or JIS G 0415).
5.2 Options and/or supplementary or special requirements
A number of options are specified in this document and listed below, lithe purchaser does not indicate the wish to implement any of these options, the products will be supplied in accordance with the basic specifications of this document (see 5.1):
a) if a heat-treatment condition other than the untreated condition is required, the symbol for this other condition (see Table 1. column 2);
b) if a surface condition other than Thot worked or a special surface quality is required, the surface condition (see TahI2) and the surface quality (see 713);
c) any requirement for restricted hardenability scatter bands for alloy steels (+HH. +HL; see 7J..I Table 6 and Figure 1)
d) if any supplementary requirement shall be complied with, the symbol and, where necessary, the details of this supplementary requirement (see Annex A)
e) any requirement for the verification of non-metallic inclusion content (see 7.);
6.1 General
The manufacturing process of the steel and of the products is. with the restrictions given by the requirements in £2 to £4. left to the discretion of the manufacturer
For minimum reduction ratio or minimum thickness deformation ratio of rolled and forged products. see 11.4.
6.2 Deoxidation
All steels shall he deoxidized.
6.3 Heat-treatment condition and surface condition at delivery
6.3.1 Normal condition at delivery
Unless otherwise agreed at the time of enquiry and order, the products shall be delivered in the untreated condition, i.e. hot-worked condition.
6.3.2 PartIcular heattreatment condition
If so agreed at the time of enquiry and order, the products shall be delivered in one of the heat-treatment conditions given in Table.1, row numbers 3 to 8.
6.3.3 Particular surface conditions
If so agreed at the time of enquiry and order, the products shall be delivered in one of the particular surface conditions given In Tabkl row numbers 3 to 6.
6.4 Traceability of the cast
The products shall be traceable to the cast, see C1aucJO.ISO 683-3 pdf download.
Tags: Case-hardening steels
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ISO 8600-1-2013 pdf free download.Endoscopes – Medical endoscopes and endotherapy devices – Part 1: General requirements. 6 Marking 6.1 Minimum marking Iach individual endoscope or endotherapy device shall have the lollowing minimum marking: a) model number and/or other mark sufficient to identify the endoscope or endotherapy device and its manufacturer; b) maximum insertion portion width, minimum instrument channel width, working length, field of view and/or direction of view where such identification is necessary for the intended use of the endoscope or endotherapy device. The Insertion portion width and instrument channel width units shall be in millimetres. The insertion portion width and instrument channel width can also be marked in French size as defined in 3.5, shown by either ‘Fr or an encircled number; c) wherever reasonable and practicable. the endoscope or endotherapy device and detachable component(s) shall be identified in terms of lot numbers or serial numbers, etc. 6.2 Marking legibility The marking shall remain legible over the lifetime of the device when the endoscope or endotherapy device is used, cleaned, disinlected, sterilized and stored in accordance with the instruction manual. 6.3 Marking exceptions When marking on the endoscope or endotherapy device or detachable component(s) is impossible to achieve due…
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ISO 18436-1-2012 pdf free.Condition monitoring and diagnostics of machines – Requirements for qualification and assessment of personnel一 Part 1: Requirements for assessment bodies and the assessment process. 5 Requirements for assessment body personnel 5.1 General provisions In order to ensure that the assessment process is carried out effectively and uniformly, the competence requirements for personnel involved in the entire process shall be defined by the assessment body and, in the case of a third party, be approved by the responsible TCC (in accordance with ISO/IEC 17024). The assessment body shall require its personnel (internal or external) to sign a contract, or other document, by which they commit themselves to comply with the rules defined by the assessment body, including those relating to confidentiality and those relating to independence from commercial and other interests, and from any prior or present link with the persons to be examined that would, in the opinion of the interested parties, compromise impartiality. Clearly documented instructions shall be available to the personnel, describing their duties and responsibilities. These instructions shall be maintained up to date. All personnel involved in any aspect of assessment activities shall possess appropriate educational qualifications, experience and technical expertise, which satisfy defined…