标准编号:	GB/T 38470-2023
中文名称:	再生铜合金原料
英文名称:	Recycling material for copper alloy
中标分类:	H62    重金属及其合金
行业分类:	GB    国家标准
ICS分类:	77.150.30 77.150.30    铜产品 77.150.30
发布机构:	国家市场监督管理总局 国家标准化管理委员会
发布日期:	2023-05-23
实施日期:	2023-12-1
标准状态:	valid
替代旧标准:	GB/T 38470-2019 再生黄铜原料
翻译语言:	英文
文件格式:	PDF
中文字符数:	29000 字
翻译价格(元):	2030.0
交付时间:	付款后 1 个工作日

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

再生铜合金原料 1 范围 本文件规定了再生铜合金原料(以下简称“原料”)的分类、技术要求、试验方法、检验规则、入厂检验、运输、贮存及随行文件。 本文件适用于再生铜合金原料。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。 GB 5085.1 危险废物鉴别标准 腐蚀性鉴别 GB 5085.2 危险废物鉴别标准 急性毒性初筛 GB 5085.3 危险废物鉴别标准 浸出毒性鉴别 GB 5085.4 危险废物鉴别标准 易燃性鉴别 GB 5085.5 危险废物鉴别标准 反应性鉴别 GB 5085.6 危险废物鉴别标准 毒性物质含量鉴别 GB/T 5121(所有部分) 铜及铜合金化学分析方法 GB/T 8170 数值修约规则与极限数值的表示和判定 SN/T 0570—2022 进口再生原料放射性污染检验规程 YS/T 482 铜及铜合金分析方法 火花放电原子发射光谱法 YS/T 483 铜及铜合金分析方法 X射线荧光光谱法(波长色散型) 3 术语和定义 下列术语和定义适用于本文件。 3.1 回收铜合金原料 copper alloy scrap 被初步分类后回收的、用于再生铜合金的含铜物质，其中可能沾污或混带非铜材料。 3.2 再生铜合金原料 recycling material for copper alloy 回收铜合金原料经过分类和预处理加工后，满足可直接生产利用要求的铜合金原料。 注：铜合金主要指黄铜、青铜、白铜、高铜，以铜为基体金属，加入一种或几种元素以获得某些预定特性的合金。定义见GB/T 11086—2013。 3.3 样品 representative sample 从整批原料中抽取，并能充分代表原料属性特征的一定量实物。 3.4 夹杂物 foreign substance 在生产、收集、包装和运输过程中混入原料中的非金属物质。 注：包括废木料、废纸、废塑料、废橡胶、废玻璃、石块及粉状物(粉尘、污泥、结晶盐、金属氧化物、纤维末等)，但不包括包装物及在运输过程中使用的其他物质。 3.5 涂层 coating 涂在原料表层的有机材料。 注：涂层一般包括标识油漆、防锈漆、绝缘层等。 3.6 镀层 plating 镀在原料表层的金属材料。 注：镀层一般包括镍、锡、锌、铝、铬等。 3.7 挥发物 volatile substance 在350℃的温度下经过适当的加热处理，可从原料中自然分离出的物质。 注：包括以下物质： ——附着于原料上并且在交货过程中可以识别的游离水，称为水分。原料在生产、收集、包装、贮存或运输过程中均可能带来水分。 ——附着于原料上的油脂、乳化液等有机物。 3.8 非铜金属 non-copper metal 在生产、收集、包装、贮存和运输过程中混入原料中的铜及铜合金以外的其他金属物质。 注：非铜金属一般包括游离铁、铝及铝合金、锌及锌合金等。 3.9 铜合金实物量 physical quantity of copper alloy 单位质量的样品，去除夹杂物、其他挥发物和非铜金属后的铜合金量占原样品重量的比值。 注：以质量分数表示。 3.10 金属回收率 metal recovery rate 单位质量的样品，经预处理去除夹杂物和非铜金属，熔化去渣、凝固后，所得铸块质量占原样品质量的比值。 注：以质量分数表示。 3.11 化学成分试样 chemical composition sample 原料中直接抽取或熔融后制取的，用于检测铜及其他元素含量的试样。 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质的量超过其天然存在量，并导致技术上的麻烦或辐射危害。 [来源：SN/T 0570—2022，3.4] 3.13 拆解 dismantling 从回收铜合金原料中分离出含铜部件的工艺过程。 注：例如从电器中分离出含铜部件，从电气中分离出电线。 3.14 破碎分离 crushing and separation 将拆解出来的含铜部件经专用设备进一步切碎、压碎并分离的工艺过程。 注：例如从铜部件破碎分离出塑料、木材、陶瓷、绝缘层等夹杂物。 3.15 分选 sorting 拆解、破碎分离后的含铜部件，去除夹杂物后，按形状和合金类别进行分拣的工艺过程。 3.16 处理 treatment 对分选后含铜物件进行清洁(去油污)、干燥、打包的工艺过程。 4 分类 4.1 类别、名称和代号 原料按合金类别、表观特征、来源和预处理加工方式分为块料和屑料两类。原料的类别、名称和代号见表1。 表1 原料的类别、名称和代号