Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: JIS B 7724:2017
• Năm ban hành / Publication date: 2017
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Brinell hardness test -- Verification and calibration of testing machines (Foreign Standard)
• Số trang / Page: 25
• Phạm vi áp dụng / Scope of standard: JIS B 7724:2017 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with JIS Z 2243.; This Standard is applicable to both fixed location and portable hardness testing machines (hereafter referred to as testing machines).; For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.