Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM F204-76(2013)
• Năm ban hành / Publication date: 2013
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Surface Flaws in Tungsten Seal Rod and Wire
• Chỉ số phân loại Quốc tế (ICS) / By field: 21.140 - Vật bít kín, miếng đệm
• Số trang / Page: 2

Phạm vi áp dụng / Scope of standard

1.1 This test method covers the determination of the presence of surface flaws in tungsten-seal rod and wire of random or cut lengths, and in the tungsten section of multiple-piece-through leads used in electronic devices, by means of examination of a glass bead sealed to the tungsten.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.