Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM A811-03(2008)
• Năm ban hành / Publication date: 2008
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Soft Magnetic Iron Parts Fabricated by Powder Metallurgy (P/M) Techniques
• Chỉ số phân loại Quốc tế (ICS) / By field: 77.160 - Luyện kim bột
• Số trang / Page: 4
• Phạm vi áp dụng / Scope of standard: 1.1 This specification covers parts produced from iron powder metallurgy materials. 1.2 This specification deals with P/M parts in the sintered or annealed condition. Should the sintered parts be subjected to any secondary operation that causes mechanical strain, such as machining or sizing, they should be resintered or annealed. 1.3 The values stated in customary (cgs-emu and inch-pound) units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units which are provided for information only and are not considered standard.