标准名称：	铸造用锤击式制样机
中标分类：	机械 >> 通用加工机械与设备 >> 铸造设备
发布日期：
实施日期：	1991-01-01
首发日期：
作废日期：
出版日期：

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Product Code:SAE J1131
Title:Performance Requirements for SAE J844 Nonmetallic Air Brake Tubing and SAE J246 Compression Fitting Assemblies Used in Vehicular Air Brake Systems
Issuing Committee:Air Brake Tubing And Tube Ftg Committee
Scope: This SAE Standard is intended to establish uniform methods of testing SAE J844 tubing and fitting assemblies as used in automotive air brake systems. This document also establishes minimum qualifications for tensile and pressure capabilities, vibrational durability under cyclic temperatures, serviceability, and fitting compatibility requirements. The specific tests and performance criteria applicable to the tubing are set forth in SAE J844. NOTE--The test values contained in this document are for test purposes only. For environmental and usage limitations see SAE J844.Fittings--A type of fitting for use with SAE J844 nonmetallic tubing is included in SAE J246; however, it is not intended to restrict or preclude the use of other designs of fittings that comply with this document.
Rationale: This SAE Standard is intended to establish uniform methods of testing SAE J844 tubing and fitting assemblies as used in automotive air brake systems. This document also establishes minimum qualifications for tensile and pressure capabilities, vibrational durability under cyclic temperatures, serviceability, and fitting compatibility requirements. The specific tests and performance criteria applicable to the tubing are set forth in SAE J844. NOTE--The test values contained in this document are for test purposes only. For environmental and usage limitations see SAE J844.Fittings--A type of fitting for use with SAE J844 nonmetallic tubing is included in SAE J246; however, it is not intended to restrict or preclude the use of other designs of fittings that comply with this document.