SAE AS7459 Bolts and Screws, Steel UNS K14675 Tensile Strength 195 ksi Fatigue and Stress-Rupture Rated Procurement Spec

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Product Code:SAE AS7459
Title:Bolts and Screws, Steel UNS K14675 Tensile Strength 195 ksi Fatigue and Stress-Rupture Rated Procurement Specification
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This procurement specification covers bolts and screws made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675, having UNJ profile threads. The following specification designations and their properties are covered:AS7459195 ksi minimum ultimate tensile strength at room temperature145 ksi minimum ultimate tensile strength at 900 °F105 ksi stress rupture strength at 900 °F for 100 hours100 ksi tension to 10 ksi tension fatigue at room temperatureProtective treatment to be specified on part drawingAS7459-1AS7459 part plated per AMS2416, nickel-cadmium diffused platingAS7459-2195 ksi minimum ultimate tensile strength at room temperature117 ksi minimum ultimate shear strength at room temperatureProtective treatment to be specified on part drawingAS7459-3AS7459-2 part plated per AMS2416, nickel-cadmium diffused plating

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上一篇: SAE AS5963 Hose Assembly, Polytetrafluoroethylene Cres Braid Reinforced, 400 °F, 5080 psi Flareless, Straight to 90° Elb
下一篇: SAE AS7252 Nuts, Self-Locking, Steel High Strength, All Metal 450 °F Use, UNJ Thread Form

【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Part2:Resonancemethod;Amendment1
【原文标准名称】:机械振动和冲击.粘弹性材料动态机械性能的特性.第2部分:共振法.修改件1
【标准号】:ISO18437-2AMD1-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;弹性(流体);测量;材料的机械性能;共振法;震动;规范(验收);测试;振动;振动效果;振动影响(对人体);振动测量;抗震试验
【英文主题词】:Definitions;Elasticproperties(fluids);Measurement;Mechanicalpropertiesofmaterials;Resonancemethods;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_160
【页数】:3P;A4
【正文语种】:英语

Product Code:SAE J1927
Title:Cumulative Damage Analysis for Hydraulic Hose Assemblies
Issuing Committee:Hydraulic Hose And Hose Fittings Committee
Scope:This SAE Information Report is intended to provide the hydraulic system analyst with a procedure which will assist in the selection and use of high-pressure wire reinforced hydraulic hose assemblies. Many construction, agricultural, industrial, or commercial equipment systems utilize hydraulic hose assemblies that are subjected to irregular cyclic pressure variations (cannot be approximated by a constant amplitude pressure cycle). This document relates damage done by pressure cycles with the pressure-life performance curve for the hose assembly being evaluated, using a linear damage rule to predict fatigue life similar to that used for predicting metal fatigue life. More detailed information on the subject may be found in SAE Paper No. 880713. The accuracy of cumulative damage calculations is directly related to proper measurement of the service pressure history and pressure-life performance for the hose assembly being evaluated. Final selection of a hose assembly must also consider installation and maintenance as noted in SAE J1273.