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prEN 10346 Viešoji apklausa

Komentavimo iki data 2025-07-15

Ištisine lydaline danga dengti plokštieji plieniniai gaminiai, skirti šaltajam formavimui. Techninės tiekimo sąlygos

This document specifies requirements for continuously hot-dip coated products made of low carbon steels for cold forming, of steels for construction and of steels with high proof strength for cold forming coated with zinc (Z), zinc-iron alloy (ZF), zinc-aluminium alloy (ZA), zinc-magnesium alloy (ZM), aluminium-silicon alloy (AS) or aluminium (A) and for continuously hot-dip coated products made of multiphase steels for cold forming coated with zinc (Z), zinc-iron alloy (ZF), zinc-aluminium alloy (ZA) or zinc-magnesium alloy (ZM) in thicknesses of 0,20 mm ≤ t ≤ 6,5 mm. By agreement at the time of enquiry and order, this document is applicable to continuously hot-dip coated flat products of an expanded validity range defined for thicknesses t < 0,20 mm with agreed mechanical properties and test specimens, adhesion of coating and surface condition requirements. This document applies to strip of all widths and to sheets cut from it (≥600 mm width) and cut lengths (<600 mm width). NOTE The products covered by this document are used where cold formability, high strength, a defined minimum yield strength and/or corrosion resistance are the most important factors. Corrosion resistance of the product is depending on coating type and coating thickness, hence to its mass (see also 7.3.2). The products covered by this document can be used as substrates for organic coated flat products specified in EN 10169 for building and general engineering applications.

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prEN ISO 15363 Viešoji apklausa

Komentavimo iki data 2025-07-13

Metalinės medžiagos. Vamzdžio žiedo bandymas hidrauliniu slėgiu (ISO 15363:2017)

ISO 15363:2017 specifies the ring hydraulic pressure test for metallic tubes. It is generally applied to tubes with an outside diameter greater than 120 mm and outside diameter to thickness ratio of not less than 20. The objective of this test is to ascertain the value of the hoop stress required to produce a specified total circumferential (hoop) strain.

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prEN ISO 18203 Viešoji apklausa

Komentavimo iki data 2025-07-06

Plienas. Paviršinio grūdinimo sluoksnių storio nustatymas (ISO/DIS 18203:2025)

ISO 18203:2016 specifies a method of measuring the case hardening depth, surface hardening depth, nitriding hardness depth and total thickness of surface hardening depth obtained, e.g. thermal (flame and induction hardening, electron beam hardening, laser beam hardening, etc.) or thermochemical (carbonitriding, carburizing and hardening, hardening and nitriding, etc.) treatment.

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prEN 573-3 Viešoji apklausa

Komentavimo iki data 2025-05-25

Aliuminis ir aliuminio lydiniai. Deformuotinių gaminių cheminė sudėtis ir forma. 3 dalis. Gaminių cheminė sudėtis ir forma

This document specifies the chemical composition limits of wrought aluminium and wrought aluminium alloys and form of products. NOTE The chemical composition limits of aluminium and aluminium alloys specified herein are completely identical with those registered with the Aluminium Association, 1525, Wilson Boulevard, Suite 600, Arlington, VA 22209, USA, for the corresponding alloys.

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prEN 602 Viešoji apklausa

Komentavimo iki data 2025-05-25

Aliuminis ir aliuminio lydiniai. Deformuotiniai gaminiai. Pusgaminių, naudojamų sąlytį su maisto produktais turintiems gaminiams gaminti, cheminė sudėtis

This document specifies the maximum percentage content of alloying elements and impurities present in wrought aluminium and aluminium alloys which are fabricated into materials and articles designed to be in contact with foodstuff. It contains provisions for the demonstration of conformity of products with the present standard. NOTE 1 Materials include semi-finished products. Articles are finished goods.

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