Product Code:SAE USCAR5-2
Title:Avoidance of Hydrogen Embrittlement of Steel
Issuing Committee:
Scope:This standard outlines the conditions that enhance the risk of hydrogen embrittlement of steel and define the relief procedures required to minimize the risk of hydrogen embrittlement. It is intended to control the process. 1.1 Hydrogen embrittlement of steel, which can cause brittle fractures under stress, occurs as a result of the absorption of hydrogen during cleaning, phosphate coating and plating processes. The susceptibility to hydrogen embrittlement increases with increasing stress (internal or externally applied stress) and increasing material strength. 1.2 Hardness readings in this specification are in Vickers scale. SAE J417 should be referred to for conversion to other scales. NOTE 1: All references to temperatures relate to part core temperature and not the indicated oven air temperature. Statistical data of verifications in temperature at the center of the oven load and oven temperature shall be established to develop the oven profile. The temperature of parts in a batch type of baking furnace shall be monitored with a thermocouple placed in the middle of the load. For continuous bake ovens a temperature trace through the oven must be run with a calibrated thermocouple in the lowest temperature position, at least once a year.【英文标准名称】:Elastomericseals.Materialsrequirementsforpipejointsealsusedinwateranddrainageapplications.Part1:vulcanizedrubber.
【原文标准名称】:弹性密封件.排水设备用管接头密封件用材料的要求.第1部分:硫化橡胶
【标准号】:NFT47-305-1-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-12-01
【实施或试行日期】:1996-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:排水;饮用水供给;检验;质量控制;硫化橡胶;管道;水常规;分类系统;监督(认可);物理性能;硬度;分类;塑料;管;公差(测量);试验;材料;作标记;特性;规范(验收);弹性体;管联接器;橡胶;;水常规(实验);污水工程;输水管道;硬化材料;密封环;名称与符号;密封材料;下水道;管连接件;密封件;密封层(剂)
【英文主题词】:CEmarking;Certificatesofconformity;Certification(approval);Classification;Classificationsystems;Conformity;Designations;Drainage;Drinkingwatersupply;Elastomers;Hardness;Inspection;Marking;Materials;Physicalproperties;Pipecouplings;Pipelines;Pipes;Plastics;Productioncontrol;Properties;Qualitycontrol;Rubber;Rubbertechnology;Sealants;Sealingmaterials;Sealingrings;Seals;Sewerage;Sewers;Specification(approval);Stormdrainage;Surveillance(approval);Testing;Tolerances(measurement);Vulcanizedmaterials;Vulcanizedrubber;Waterpipelines;Waterpractice
【摘要】:
【中国标准分类号】:G43
【国际标准分类号】:23_040_80
【页数】:25P.;A4
【正文语种】:其他