Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM B30-16
• Năm ban hành / Publication date: 2016
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Copper Alloys in Ingot Form
• Chỉ số phân loại Quốc tế (ICS) / By field: 77.150.30 - Sản phẩm đồng
• Số trang / Page: 14

Phạm vi áp dụng / Scope of standard

1.1 This specification establishes the requirements for copper alloys in ingot form for remelting for the manufacturing of castings having the Copper Alloy UNS No. designation, commercial designations and nominal composition shown in Table 1 and Table 2.

(A) Phosphorus 0.13.(B) Phosphorus 0.04.(C) Phosphorus 0.12.(D) Bismuth 5.0.(E) Selenium 0.5.(F) Selenium 0.9.(G) Selenium 0.20.(H) Selenium 0.03.(I) Phosphorus 0.1(J) Antimony 0.07, Boron 0.001. (A) When fine grained castings are specified, 0.02-0.12 titanium is added.

1.2 A cross reference of Copper Alloy UNS Nos. and copper alloy casting specifications is given in Table 3.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.