Guide reading: There are many copper material standards, there are Chinese and foreign standards. We usually focus on domestic standards. Copper material domestic standards and industry standards, local standards and enterprise standards. The national standard of Copper Material Standard has the distinction of Recommendation Standard and compulsory standard. Most of the enterprises are using the Chinese standard copper material. Of course, some enterprises have set a higher standard than the national standard, that is, the enterprise standard. Copper Material Enterprise Standard of course is the standard of the enterprise. Each factory can make copper enterprise standard. There are also a number of brass plate systems. The United States, the United States, the United Kingdom, France and Russia.

What is the grade of copper? Copper Material: pure copper material with a purplish red color. Copper material also includes pure copper, oxygen-free copper, phosphorus deoxy copper and special copper material. BRASS MATERIAL BRAND: COPPER ZINC alloy material. BRONZE MATERIAL GRADE: originally referred to copper-tin Alloy material, later referred to copper alloy material other than brass white copper. 4. CUPRONICKEL: A silver-white, metallic copper-based alloy with nickel as the main additive. Chinese copper material designation method? China’s National Standard (GB340-76) stipulates that the designation of processed copper and copper alloys is indicated by “Copper type code, element content or sequence number after chemical symbol”, in which copper type code takes the first majuscule of the first Chinese character Pinyin, “T”stands for pure copper, “Q”stands for bronze, and “B”stands for white copper.

What is the designation for American copper? The United States UNS numbering system (astme 527) provides that copper and copper alloys are coded by 5-digit numbers and are denoted by “C + XXXXX (5-digit number)”, where processed copper is “CL0000? C15999”, processing copper alloy for “C16000? C79999”. This code system is based on the past 3-digit code names, developed by the American Society for materials and testing and the American Society of Automotive Engineers, and is part of the uniform digital code system for metals and alloys (UNS)

DESIGNATION OF COPPER MATERIALS IN USA? DESIGNATION OF COPPER MATERIALS IN JAPAN? The Japanese industrial standard (Jis) for processing copper alloy plate numbers is basically the same as the United States UNS number (less than one digit) . That is: C + XXXX (four digits). The first digit represents the alloy series and is 2 ~ 9. The Meanings of the figures are as follows: 2-cu-zn alloys; 3-cu-zn-pb alloys; 4-cu-zn-sn alloys; 5-cu-sn, cu-sn-pb Alloys; 6-cu-al, Cu-si and Special cu-zn alloys; 7—— Cu-ni and cu-ni-zn alloys; 8,9 -- not yet in use.

Table of shapes and codes of copper materials in Japan

What is the designation for German copper? In the German Industrial Standard (Din) , Non-ferrous metal materials are represented in two systems. One is a chemical element, marked letters, and Arabic numerals; the other is a seven digit number system. In the current DIN technical standard documents, the two systems are listed in parallel and cross-referenced with each other. A chemical element designation designation as specified in din 1700 as 1954, the designation for processed copper and copper alloys is generally composed of two parts: (1) the letters indicating the method of manufacture and the scope of application. For example: See Table of pure copper; (2) direct identification of alloy composition. For example, see copper alloys in the table.

Code for designation of German Copper Materials Table 1B code for designation as Din 17007-1956, the seven-digit code is as follows: X XXXX (i.e. : Category Number, category number, additional number) where: category number -- divided into 10 groups, copper and Copper Alloys for Group 2; category number -- Specific Alloy, mainly based on the chemical composition of the material, preparation method; additional number -- used to mark such things as melting, pouring, heat treatment, and whether the processing hardening and shape, surface condition, etc. . The specific numerical codes for German copper and copper alloys are shown in table.

INTERNATIONAL DESIGNATION FOR COPPER MATERIALS? The International Organization for Standardization Standard (ISO1190/1-1982) stipulates that the chemical composition of materials used for the designation of copper and copper alloys. All brands should be prefixed with the word “ISO”, but the word “ISO”may be omitted for the sake of simplicity when it is clearly known in international standards or communications documents that an ISO number is being used. Matrix elements and major alloying elements shall be represented by an international symbol of the chemical element followed by a letter indicating the characteristics of the metal or a number indicating the nominal composition of the alloy. The composition of ISO processed copper and copper alloy plates is shown in table.

Source: Tongxinbao

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