標(biāo)準(zhǔn)編號:	GB/T 38470-2023
中文名稱:	再生銅合金原料
英文名稱:	Recycling material for copper alloy
中標(biāo)分類:	H62    重金屬及其合金
行業(yè)分類:	GB    國家標(biāo)準(zhǔn)
ICS分類:	77.150.30 77.150.30    銅產(chǎn)品 77.150.30
發(fā)布機(jī)構(gòu):	國家市場監(jiān)督管理總局 國家標(biāo)準(zhǔn)化管理委員會
發(fā)布日期:	2023-05-23
實(shí)施日期:	2023-12-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	GB/T 38470-2019 再生黃銅原料
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	29000 字
翻譯價格(元):	2030.0
交付時間:	付款后 1 個工作日

GB/T 38470-2023 Recycling material for copper alloy 1 Scope This document specifies the classification, technical requirements, test methods, inspection rules, incoming inspection, transportation, storage and accompanying documents of recycling material for copper alloy (hereinafter referred to as the "raw material"). This document is applicable to the recycling material for copper alloy. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 5085.1 Identification standards for hazardous wastes - Identification for corrosivity GB 5085.2 Identification standards for hazardous wastes - Screening test for acute toxicity GB 5085.3 Identification standards for hazardous wastes - Identification for extraction toxicity GB 5085.4 Identification standards for hazardous wastes - Identification for ignitability GB 5085.5 Identification standards for hazardous wastes - Identification for reactivity GB 5085.6 Identification standards for hazardous wastes - Identification for toxic substance content GB/T 5121 (All parts) Methods for chemical analysis of copper and copper alloys GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values SN/T 0570-2022 Rules for the inspection of radioactive contamination of imported recycling materials YS/T 482 Methods for analysis of copper and copper alloys - The spark discharge atomic emission spectrometry YS/T 483 Methods for analysis of copper and copper alloys - X-Ray fluorescence spectrometric (wavelength dispersive) ? 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 copper alloy scrap copper-containing substance recovered after initial classification for production of recycling copper alloy, which may be contaminated with or mixed with non-copper materials 3.2 recycling material for copper alloy copper alloy scrap that meets the requirements of direct production and utilization after classification, pretreatment and processing Note: Copper alloy refers to the alloy with copper as substrate and added with one or more elements to obtain certain predefined characteristics, such as brass, bronze, cupronickel and high copper. See GB/T 11086-2013 for definition. 3.3 representative sample certain quantity of physical object which is extracted from the whole batch of raw materials and can fully represent the attributes and characteristics of raw materials 3.4 foreign substance non-metallic substance mixed into raw materials during production, collection, packaging and transportation Note: It includes waste wood, waste paper, waste plastics, waste rubber, waste glass, stones and powders (such as dust, sludge, crystalline salt, metal oxide, fiber dust, etc.), but does not include packaging materials and other substances used in transportation. 3.5 coating organic materials painted on the surface of raw materials Note: In general, coating includes logo paint, antirust paint and insulating layer. 3.6 plating metallic material coated on the surface of raw materials Note: In general, plating includes nickel, tin, zinc, aluminum and chromium. ? 3.7 volatile substance substance that may be separated from raw materials naturally after proper heat treatment at 350°C Note: It includes the following substances: ——Moisture, i.e. the free water adhered to the raw material and recognizable during delivery. Raw materials may bring moisture during production, collection, packaging, storage or transportation. ——Organic matter such as grease and emulsion adhered to raw materials. 3.8 non-copper metal metallic substances other than copper and copper alloys mixed into raw materials during production, collection, packaging, storage and transportation Note: In general, non-copper metal includes free iron, aluminum and aluminum alloy, zinc and zinc alloy. 3.9 physical quantity of copper alloy after removing foreign substances, other volatile substances and non-copper metals, ratio of the mass of copper alloy per unit mass of the representative sample to the mass of the original representative sample Note: It is expressed as mass fraction. 3.10 metal recovery rate after pretreatment to remove foreign substances and non-copper metals, melting to remove slag and solidification, ratio of the mass of casting block obtained to the mass of original representative sample Note: It is expressed as mass fraction. 3.11 chemical composition sample sample made by direct extraction or melting of raw materials and used for detecting the content of copper and other elements 3.12 radioactive contamination contamination caused by undesirable radioactive materials present on the surface of the raw material in excess of their natural amounts, resulting in technical trouble or radiation hazards [Source: GB/T 0570-2022, 3.4]

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Technical requirements 6 Test methods 7 Inspection rules 8 Incoming inspection 9 Transportation, storage and accompanying documents Annex A (Informative) Typical photos of apparent characteristics of raw materials Annex B (Normative) Detection method of volatile substance Annex C (Normative) Incoming inspection Annex D (Normative) Preparation of chemical composition samples and detection method of metal recovery rate Bibliography

再生銅合金原料 1 范圍 本文件規(guī)定了再生銅合金原料(以下簡稱“原料”)的分類、技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則、入廠檢驗(yàn)、運(yùn)輸、貯存及隨行文件。 本文件適用于再生銅合金原料。 2 規(guī)范性引用文件 下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中，注日期的引用文件，僅該日期對應(yīng)的版本適用于本文件；不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。 GB 5085.1 危險廢物鑒別標(biāo)準(zhǔn) 腐蝕性鑒別 GB 5085.2 危險廢物鑒別標(biāo)準(zhǔn) 急性毒性初篩 GB 5085.3 危險廢物鑒別標(biāo)準(zhǔn) 浸出毒性鑒別 GB 5085.4 危險廢物鑒別標(biāo)準(zhǔn) 易燃性鑒別 GB 5085.5 危險廢物鑒別標(biāo)準(zhǔn) 反應(yīng)性鑒別 GB 5085.6 危險廢物鑒別標(biāo)準(zhǔn) 毒性物質(zhì)含量鑒別 GB/T 5121(所有部分) 銅及銅合金化學(xué)分析方法 GB/T 8170 數(shù)值修約規(guī)則與極限數(shù)值的表示和判定 SN/T 0570—2022 進(jìn)口再生原料放射性污染檢驗(yàn)規(guī)程 YS/T 482 銅及銅合金分析方法 火花放電原子發(fā)射光譜法 YS/T 483 銅及銅合金分析方法 X射線熒光光譜法(波長色散型) 3 術(shù)語和定義 下列術(shù)語和定義適用于本文件。 3.1 回收銅合金原料 copper alloy scrap 被初步分類后回收的、用于再生銅合金的含銅物質(zhì)，其中可能沾污或混帶非銅材料。 3.2 再生銅合金原料 recycling material for copper alloy 回收銅合金原料經(jīng)過分類和預(yù)處理加工后，滿足可直接生產(chǎn)利用要求的銅合金原料。 注：銅合金主要指黃銅、青銅、白銅、高銅，以銅為基體金屬，加入一種或幾種元素以獲得某些預(yù)定特性的合金。定義見GB/T 11086—2013。 3.3 樣品 representative sample 從整批原料中抽取，并能充分代表原料屬性特征的一定量實(shí)物。 3.4 夾雜物 foreign substance 在生產(chǎn)、收集、包裝和運(yùn)輸過程中混入原料中的非金屬物質(zhì)。 注：包括廢木料、廢紙、廢塑料、廢橡膠、廢玻璃、石塊及粉狀物(粉塵、污泥、結(jié)晶鹽、金屬氧化物、纖維末等)，但不包括包裝物及在運(yùn)輸過程中使用的其他物質(zhì)。 3.5 涂層 coating 涂在原料表層的有機(jī)材料。 注：涂層一般包括標(biāo)識油漆、防銹漆、絕緣層等。 3.6 鍍層 plating 鍍在原料表層的金屬材料。 注：鍍層一般包括鎳、錫、鋅、鋁、鉻等。 3.7 揮發(fā)物 volatile substance 在350℃的溫度下經(jīng)過適當(dāng)?shù)募訜崽幚恚蓮脑现凶匀环蛛x出的物質(zhì)。 注：包括以下物質(zhì)： ——附著于原料上并且在交貨過程中可以識別的游離水，稱為水分。原料在生產(chǎn)、收集、包裝、貯存或運(yùn)輸過程中均可能帶來水分。 ——附著于原料上的油脂、乳化液等有機(jī)物。 3.8 非銅金屬 non-copper metal 在生產(chǎn)、收集、包裝、貯存和運(yùn)輸過程中混入原料中的銅及銅合金以外的其他金屬物質(zhì)。 注：非銅金屬一般包括游離鐵、鋁及鋁合金、鋅及鋅合金等。 3.9 銅合金實(shí)物量 physical quantity of copper alloy 單位質(zhì)量的樣品，去除夾雜物、其他揮發(fā)物和非銅金屬后的銅合金量占原樣品重量的比值。 注：以質(zhì)量分?jǐn)?shù)表示。 3.10 金屬回收率 metal recovery rate 單位質(zhì)量的樣品，經(jīng)預(yù)處理去除夾雜物和非銅金屬，熔化去渣、凝固后，所得鑄塊質(zhì)量占原樣品質(zhì)量的比值。 注：以質(zhì)量分?jǐn)?shù)表示。 3.11 化學(xué)成分試樣 chemical composition sample 原料中直接抽取或熔融后制取的，用于檢測銅及其他元素含量的試樣。 3.12 放射性污染 radioactive contamination 存在于原料表面上的不希望有的放射性物質(zhì)的量超過其天然存在量，并導(dǎo)致技術(shù)上的麻煩或輻射危害。 [來源：SN/T 0570—2022，3.4] 3.13 拆解 dismantling 從回收銅合金原料中分離出含銅部件的工藝過程。 注：例如從電器中分離出含銅部件，從電氣中分離出電線。 3.14 破碎分離 crushing and separation 將拆解出來的含銅部件經(jīng)專用設(shè)備進(jìn)一步切碎、壓碎并分離的工藝過程。 注：例如從銅部件破碎分離出塑料、木材、陶瓷、絕緣層等夾雜物。 3.15 分選 sorting 拆解、破碎分離后的含銅部件，去除夾雜物后，按形狀和合金類別進(jìn)行分揀的工藝過程。 3.16 處理 treatment 對分選后含銅物件進(jìn)行清潔(去油污)、干燥、打包的工藝過程。 4 分類 4.1 類別、名稱和代號 原料按合金類別、表觀特征、來源和預(yù)處理加工方式分為塊料和屑料兩類。原料的類別、名稱和代號見表1。 表1 原料的類別、名稱和代號