Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: EN 1677-3:2001 /A1:2008
• Năm ban hành / Publication date: 2008
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Components for slings - Safety - Part 3: Forged steel self-locking hooks - Grade 8
• Phạm vi áp dụng / Scope of standard: This European Standard specifies requirements for forged steel self-locking lifting hooks of Grade 8 having eye or clevis and pin up to 21,2 t working load limit (WLL), mainly for use in: - chain slings according to EN 818-4 - steel wire rope slings according to prEN 13414-1 - textile slings according to EN 1492-1, EN 1492-2 intended for lifting objects, materials or goods. The hazards covered by this part of EN 1677 are identified in clause 4. Annex A gives the bases for calculation of hook dimensions. Annex B gives an example of a designation systems for hooks of Grade 8.