【英文标准名称】:Plasticsandrubbermachines-Thermoformingmachines-Safetyrequirements;GermanversionEN12409:2008+A1:2011
【原文标准名称】:塑料和橡胶机械.热成型机械.安全要求.德文版EN12409-2008+A1-2011
【标准号】:EN12409-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accidentprevention;Breathing;Contact;Contactsafetydevices;Control;Dangerzones;Definitions;Design;Drawing-in;Electriccontactprotection;Electricenergy;Electricshock;Electricalequipment;Electricalsafety;Energysupplysystems(buildings);Ergonomics;Gases;Hazardtoinjuries;Hazards;Healthandsafetyrequirements;Healthprotection;Hearing(auditoryperception);Hot-working;Impact;Machinetools;Machines;Mechanicalcrimping;Mechanicalengineering;Moulding(process);Noise;Noise(environmental);Noisereduction;Occupationalsafety;Operatinginstructions;Plasticfilms;Plastics;Plasticsprocessing;Plastics-workingmachinery;Presses;Pressing(forming);Production;Protectiondevices;Protectivemeasures;Rubberindustry;Rubbermachines;Safetydevices;Safetyengineering;Safetymeasures;Safetyofmachinery;Safetyrequirements;Shape;Shearing;Sound;Specification(approval);Stress;Suctionplants;Surfacetemperatures;Temperature;Testing;Thermoformingmachine;Userinformation;Vapours;Vulcanizedrubber;Workplacesafety
【摘要】:
【中国标准分类号】:G95
【国际标准分类号】:83_200
【页数】:50P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforDevelopmentandUseofaGalvanicSeriesforPredictingGalvanicCorrosionPerformance
【原文标准名称】:预测电流腐蚀特性用电流系列的制定和使用的标准指南
【标准号】:ASTMG82-1998(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G01.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:active;corrosionpotential;galvaniccorrosion;GalvanicSeries;noble;passive;Acceleratedaging/testing--corrosion;Aluminum;Aluminumalloys--corrosiontesting;Austeniticsteel;Brass;Bronze;Cadmiummetals/alloys;Conductanceandconductivity(el
【摘要】:Whentwodissimilarmetalsinelectricalcontactareexposedtoacommonelectrolyte,oneofthemetalscanundergoincreasedcorrosionwhiletheothercanshowdecreasedcorrosion.Thistypeofacceleratedcorrosionisreferredtoasgalvaniccorrosion.Becausegalvaniccorrosioncanoccuratahighrate,itisimportantthatameansbeavailabletoalerttheuserofproductsorequipmentthatinvolvetheuseofdissimilarmetalcombinationsinanelectrolyteofthepossibleeffectsofgalvaniccorrosion.Onemethodthatisusedtopredicttheeffectsofgalvaniccorrosionistodevelopagalvanicseriesbyarrangingalistofthematerialsofinterestinorderofobservedcorrosionpotentialsintheenvironmentandconditionsofinterest.Themetalthatwillsufferincreasedcorrosioninagalvaniccoupleinthatenvironmentcanthenbepredictedfromtherelativepositionofthetwometalsintheseries.TypesofGalvanicSeries:OetypeofGalvanicSeriesliststhemetalsofinterestinorderoftheircorrosionpotentials,startingwiththemostactive(electronegative)andproceedinginordertothemostnoble(electropositive).Thepotentialsthemselves(versusanappropriatereferencehalf-cell)arelistedsothatthepotentialdifferencebetweenmetalsintheseriescanbedetermined.ThistypeofGalvanicSerieshasbeenputingraphicalformasaseriesofbarsdisplayingtherangeofpotentialsexhibitedbythemetallistedoppositeeachbar.SuchaseriesisillustratedinFig.1.Thesecondtypeofgalvanicseriesissimilartothefirstinthatitliststhemetalsofinterestinorderoftheircorrosionpotentials.Theactualpotentialsthemselvesarenotspecified,however.Thus,onlytherelativepositionofmaterialsintheseriesisknownandnotthemagnitudeoftheirpotentialdifference.SuchaseriesisshowninFig.2.UseofaGalvanicSeries:Generally,uponcouplingtwometalsintheGalvanicSeries,themoreactive(electronegative)metalwillhaveatendencytoundergoincreasedcorrosionwhilethemorenoble(electropositive)metalwillhaveatendencytoundergoreducedcorrosion.Usually,thefurtheraparttwometalsareintheseries,andthusthegreaterthepotentialdifferencebetweenthem,thegreateristhedrivingforceforgalvaniccorrosion.Allotherfactorsbeingequal,andsubjecttotheprecautionsinSection5,thisincreaseddrivingforcefrequently,althoughnotalways,resultsinagreaterdegreeofgalvaniccorrosion.Note8212;Darkboxesindicateactivebehaviorofactive-passivealloys.FIG.1GalvanicSeriesofVariousMetalsinFlowingSeawaterat2.4to4.0m/sfor5to15Daysat5to30x00B0;C(RedrawnfromOriginal)(seeFootnote5)ACTIVEEND
Magnesium
(x2212;)
MagnesiumAlloys
x2191;
Zinc
brvbar;
GalvanizedSteel
brvbar;
Aluminum1100
brvbar;
Aluminum6053
brvbar;
Alclad
基本信息
| 标准名称： | 柔性机械接口灰口铸铁管 |
| 英文名称： | Soft mechanical joint grey cast iron pipe |
| 中标分类： |
冶金 >>
钢铁产品 >>
生铁 |
| ICS分类： |
流体系统和通用件 >>
管道部件和管道 >>
铁管和钢管
|
| 替代情况： | 被GB/T 6483-2008代替 |
| 发布部门： | 中国钢铁工业协会 |
| 发布日期： | 1986-06-07 |
| 实施日期： | 1987-05-01 |
| 首发日期： | 1986-06-07 |
| 作废日期： | 2009-05-01 |
| 主管部门： | 中国钢铁工业协会 |
| 归口单位： | 全国钢标准化技术委员会 |
| 起草单位： | 赤峰铸造厂 |
| 出版日期： | 1900-01-01 |
| 页数： | 23页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 冶金 钢铁产品 生铁 流体系统和通用件 管道部件和管道 铁管和钢管