GB/T 4437.1-2015: Translated English of Chinese Standard. (GBT 4437.1-2015, GB/T4437.1-2015, GBT4437.1-2015): Aluminium and aluminium alloy extruded tubes - Part 1: Seamless tubes
https://www.chinesestandard.net, Feb 8, 2021 - Technology & Engineering - 25 pages
This Part of GB/T 4437 specifies requirements, test methods, inspection rules and marks, packaging, transportation, storage as well as quality certificate and order sheet (or contract) content for aluminium and aluminium alloy extruded seamless tubes. This Part is applicable to aluminium and aluminium alloy extruded seamless tubes for general industrial use.
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Marks packaging transportation storage and quality certificate
Order sheet or contract content
Common terms and phrases
accepted products accordance with GB/T according to GB/T added Allowa nce Allowa alloy tubes aluminium alloy extruded aluminium and aluminium Appearance quality applies batch or heat chemical composition conforming cracks Designation determined as rejected deviation Elongation after breaking heat treatment furnace indicate Inspection method intergranular corrosion performance limit macrostructure specimen marks mass fraction meet the requirements Metallic nce Allowa nce order sheet packaging pieces properties at room purchaser quality certificate references repeat the heat requirements of GB/T requirements of Table Resample to inspect Result of tensile room temperature Seamless tubes sheet or contract spalling corrosion performance specimen fails Specimen state Wall standard strength Rp0.2 MPa stress corrosion performance supplier is allowed Supply state Specimen surface Table 3 continued tensile mechanical properties tensile test test at room test method Transportation tubes is determined tubes shall meet tubes supplied ultrasonic flaw detection ultrasonic inspection wall thickness wrought aluminium