DIN30670-1991德标防腐标准[1] copy
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防锈油标准一、主流标准目前,国内外常见的防锈油产品标准有以下几种:1. DIN防锈油标准:德国工业标准,适用于钢铁、有色金属和合金等材料的防锈油制备。
2. ISO防锈油标准:国际标准化组织颁布的防锈油标准,适用于汽车行业、电子设备制造业和通用冷却液等领域。
3. ASTM防锈油标准:美国材料和试验协会制定的标准,适用于钢铁、金属、石油和化学制品等领域。
4. GB防锈油标准:国家标准,适用于机械、汽车、船舶、航空等领域。
以上四个防锈油标准是较为主流的标准,通常在相关产业中使用较为广泛。
二、适用范围不同的防锈油产品标准适用于不同领域的防护。
在选择防锈油产品时,要根据自身需求和使用场景来选择配套的产品标准。
1. DIN防锈油标准:适用于防锈剂和防腐剂的制备,主要用于工业原料和制品防锈。
2. ISO防锈油标准:适用于冷却液、黏度指数改进剂和清洗剂的生产,主要应用于汽车、电子设备制造业和其他机械制造领域。
3. ASTM防锈油标准:适用于矿物和润滑油的生产,主要用于石油和化学品制造领域。
4. GB防锈油标准:适用于机械、汽车、船舶、航空等领域,是目前国内使用较为广泛的防锈油标准。
三、防锈油产品标准的重要性防锈油产品标准对于保障产品质量和安全使用至关重要。
防锈油标准协助厂商以合适的材料和工艺生产防锈油,提高了产品的质量,减少了使用过程中出现的安全问题和故障率,更好地满足了用户需求。
因此,在选购防锈油产品时,应该仔细查看产品标准,确保选购符合所需场景的防锈油产品。
总之,本篇文章介绍了防锈油产品的标准体系和适用范围,希望为大家的防腐防锈工作提供一定的参考。
在使用防锈油产品时,一定要选择合适的产品标准,并始终遵循正确的使用方法和操作指南,以确保使用效果和安全使用。
防腐钢管种类及执行标准防腐钢管产品适用于煤矿井下供排水、井下喷浆、正负压通风、抽放瓦斯、消防洒水等管网.电厂:热电厂工艺用水废渣、回水输送管道.消防:对于防喷淋、洒水系统的给水管路具有卓越的适用性。
1、石油天然气用3pe钢管防腐、二层聚乙烯(2PE)钢管防腐.标准:SY/T0413-2002 DIN306702、石油天然气用FBE防腐钢管(单层熔结环氧粉末防腐)钢管、2FBE(双层熔结环氧粉末防腐)钢管.标准:SY/T0315-97、SY/T0315-20053、供水管线水泥沙浆衬里钢管内防腐.标准:CECS10:894、环氧煤沥青玻璃布钢管防腐.标准:GB50268-97SY/T0447-965、供水管线IPN8710高分子无毒涂料钢管内防腐.标准:SY/T0457-20006、销售环氧煤沥青防腐涂料、IPN8710涂料、氯化橡胶防腐涂料、聚氨脂防腐涂料、等防腐涂料.7,高密度聚乙烯聚氨酯发泡保温钢管.标准:SY/T114-2000SY/T115-20011.2PE/3PE防腐3PE防腐:管道三层PE防腐结构:第一层环氧粉末(FBE>100um),第二层胶粘剂(AD)170~250um,第三层聚乙烯(PE)2.5~3.7mm.三种材料融为一体,并与钢管牢固结合形成优良的防腐层.管径范围Φ60~Φ14202PE防腐:管道二层PE防腐结构,第一层胶粘剂(AD),第二层聚乙烯(PE),二种材料融为一体,各层厚度同三层PE相同. 3PE防腐(三层聚乙烯)工艺是上世纪90年代后期从国外引进的先进防腐技术,它的全称为熔结环氧/挤塑聚乙烯结构防护层.3PE防腐技术综合了环氧涂层与挤压聚乙烯两种防腐层的优良性能,将环氧涂层的界面特性和耐化学特性与挤压聚烯防腐层的机械保护特性等优点结合起来,从而显著改善了各自的性能.其特点:机械强度高、耐磨损、耐腐蚀、耐热、耐冷、可应用于150度介质中,在寒冷地带均适应.因此,3PE防腐层是理想的埋地管线外防护层.据权威部门检测,用3PE防腐技术的埋地管道寿命可长达50年.2PE防腐(二层聚乙烯)管道二层PE防腐结构,第一层胶粘剂(AD),第二层聚乙烯(PE),二种材料融为一体,各层厚度同三层PE相同.由此看出区别在于:3PE防腐多了一个环氧粉末层,而环氧粉末耐腐蚀性能好、力学性能好、抗阴极剥离强,虽然它有表面处理严格、耐候性差、吸水率偏高等优点,但它适用于埋地管道海底管道,包覆层厚度仅为0.3~0.5毫米,使用寿命可达40~50年.2.预制聚氨酯保温管保温层材料为密度60kg/m3至80kg/m3的硬质聚氨酯泡沫,充分添满钢管与套管之间的间隙,并具有一定的粘接强度,使钢管、外套管及保温层三者之间形成一个牢固的整体.聚氨酯泡沫具有良好的机械性能和绝热性能,通常情况下可耐温120℃,通过改性或与其它隔热材料组合可耐温180℃.硬质聚氨酯保温管是黑料和白料混合发泡而成的一种绝热管壳.(1)白料的主要成分是含磷聚醚树脂、甘油聚醚树脂、乙二醇聚醚树脂,另外还需要加入阻燃剂、稳泡剂和催化剂.(2)黑料主要成分就是多苯基多异氰酸酯,纯度在90%.(3)外面那层玻璃钢是保温结构中的防潮层,是用玻璃丝布浸渍树脂制作成的,具有较强的耐候性和耐腐蚀性,也具有较强的硬度3.单层环氧粉末防腐单层环氧粉末防腐是近30年来发展起来的新型防腐层,采用静电喷涂工艺涂敷环氧粉末涂料,一次成膜.该涂层具有涂敷操作简单、无污染、涂层抗冲击和抗弯曲性能好、耐温性高等特点,在国外得到了广泛的应用.单层环氧粉末管道防腐钢管产品应用于:煤矿:适用于煤矿井下供排水、井下喷浆、正负压通风、抽放瓦斯、消防洒水等管网.电厂:热电厂工艺用水废渣、回水输送管道.消防:对于防喷淋、洒水系统的给水管路具有卓越的适用性.高速公路:电力、通讯、高速公路等电缆保护套管.市政工程:适用高层建筑给水、热网供热、自来水工程、燃气输送、埋地输水等管道.石油:石油输送管道、化工制药、印染等行业输送腐蚀性介质的工艺管道.污水处理:污水处理排放管、污水管以及生物池防腐工程.农业:农业灌溉用管、深井管、排水管等网路.4.2PP/3PP防腐3PP防腐:管道三层PP防腐结构:第一层环氧粉末(FBE50~100um),第二层胶粘剂(AD)250~400um,第三层聚丙烯(PP)1.4~4.0mm.三种材料融为一体,并与钢管牢固结合形成优良的防腐层,防腐层使用温度可达110度.管径范围Φ60~Φ14202PP防腐:管道二层PP防腐结构:第一层胶粘剂(AD),第二层聚丙烯(PP),二种材料融为一体, 各层厚度同三层PP相同.父亲的格局决定家庭的方向一个家庭的福气运道,不是凭空出现的,它是家庭成员共同努力得来的。
序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard 1DIN1圆锥销taper pins ISO2339GB/T117-2000 2DIN7圆柱销parallel pins ISO2338GB/T119-2000 3DIN84开槽圆柱头螺钉slotted cheese head screws ISO1207GB/T65-2000 4DIN85开槽盘头螺钉slotted pan head screws ISO1580GB/T67-2000 5DIN93单耳止动垫圈tab washers ISO1580GB/T854-1998 6DIN94开口销split cotter pins ISO1234GB/T91-20007DIN95开槽半沉头木螺钉slotted raised csk head woodscrewsGB/T101-19868DIN96开槽半圆头木螺钉slotted round head wood screws GB/T99-19869DIN97开槽沉头木螺钉slotted countersunk head woodscrewsGB/T100-198610DIN125-A平垫plain washers ISO7089GB/T97.1-1985 11DIN125-B平垫(带倒角)mediun washers ISO7090GB/T97.2-1985 12DIN126平垫plain washers ISO709113DIN127-A重型弹垫spring lock washers,tang ends GB/T7244-1987 14DIN127-B标准弹垫spring lock washers,square ends GB/T93-1987 15DIN128-A鞍形弹垫single coil spring lock washers GB/T7245-1987 16DIN137-A弹簧止动垫圈curved spring washers17DIN137-B波形弹垫wave spring washers GB/T955-1987 18DIN186T型方颈螺栓T-head bolts with square neck GB/T37-1988 19DIN188T型双接头螺栓T-head bolts with double nip20DIN258螺纹圆锥销taper pins with threaded end ISO873721DIN261T型头螺栓T-head bolts22DIN315AF蝶型螺母(美制)wing nuts amercia form23DIN315DF蝶型螺母(德制)wing nuts germany form GB/T62-1988 24DIN316AF蝶型螺钉(美制)wing screws amercia form25DIN317DF蝶型螺钉(德制)wing screws germany form26DIN319圆球型盖型螺母ball knobs27DIN404开槽带孔球面圆柱头螺钉slotted capstan screws GB/T832-198828DIN417开槽长圆柱端紧定螺钉slotted set srews with full dogpointISO7435GB/T75-198529DIN427开槽平端紧定螺钉(半牙)slotted set srews with chamferedendISO2342GB/T73-198530DIN431小六角特薄细牙螺母pipe nuts with thread GB/T808-1988 31DIN432外舌止动垫圈external tap GB/T856-1988 32DIN433小垫圈(用于圆柱头螺钉)washers for cheese head screws ISO7092GB/T848-198533DIN434方斜垫圈(U型)square taper washers for U-sectionGB/T852-198834DIN435方斜垫圈(I型)square taper washers for I-sectionsGB/T852-198835DIN436方垫圈square washers序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard 36DIN438开槽凹端紧定螺钉slotted set with cup point ISO7436GB/T74-1985 37DIN439六角薄螺母hexagon thin nuts ISO4035GB/T6172-2000 38DIN439细牙六角薄螺母hexagon thin nuts ISO8675GB/T6173-200039DIN440木螺钉专用垫圈rounds washers for woodconstructionsISO709440DIN443密封帽sealing caps,push-in type41DIN444活节螺栓B 型eye bolts form B GB/T798-1988 42DIN462内舌止动垫圈internal tab washers43DIN463双耳止动垫圈washers with two taps GB/T855-1988 44DIN464滚花高头螺钉knurled thumb screws with collar GB/T834-198845DIN465开槽滚花高头螺钉slotted knurled thumb screws with collar46DIN466滚花高螺母knurled thumb nuts with collar GB/T806-1988 47DIN467滚花薄螺母knurled thumb thin nuts GB/T807-1988 48DIN470锁紧垫圈sealing washers49DIN471轴用弹性挡圈retaining rings forshafts(external),circlipsGB/T894.1-198650DIN472孔用弹性挡圈retaining rings forbores(internal),circlipsGB/T893.1-198651DIN478方头带垫螺栓square head bolts with collar52DIN479方头圆柱底端螺栓square head bolts with half dog point53DIN480方头带垫半圆底端螺栓square head bolts withcollar,half dog point and rounded54DIN508T型槽螺母T-slot nuts ISO29955DIN525单头螺柱single end studs56DIN529地脚螺栓masonry bolts GB/T799-1988 57DIN546带槽圆螺母slotted round nuts GB/T817-198858DIN547端面带孔圆螺母round nuts with drilled holes inone faceGB/T815-198859DIN551开槽平端紧定螺钉slotted sit screws with flatpointISO4776GB/T73-198560DIN553开槽锥端紧定螺钉slotted set screws with conepointISO7434GB/T71-198561DIN555六角螺母hexagon nuts ISO403462DIN557方螺母-C square nuts GB/T39-1988 63DIN558六角头螺钉hexagon screws ISO401864DIN561六角头圆柱端紧定螺钉hexagon set screws with full dog point65DIN562薄型方螺母-B square nuts without bevel(pressed nuts)66DIN571六角头木螺钉hexagon head wood screws (coachscrews)GB/T102-198667DIN580吊环螺钉lifting eye bolts ISO3266GB/T825-1988 68DIN582吊环螺母lifting eye nuts69DIN601六角头螺栓hexagon bolts ISO4016序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard70DIN603大半圆头方颈螺栓(马车螺栓)mushroom head square neck bolts(carriage bolts)ISO8677GB/T14-198871DIN604沉头带插销马车螺栓flat countersunk nib bolts72DIN605沉头长方颈马车螺栓flat countersunk long square neck bolts73DIN607半圆头带插销马车螺栓cup head nib bolts74DIN608沉头短方颈马车螺栓flat countersunk short square neck bolts75DIN609六角头精配螺栓(长螺纹)hexagon fitted bolts,long thread76DIN610六角头精配螺栓(短螺纹)hexagon fitted bolts,short thread77DIN653滚花平头螺钉knurled thumb screws thin type GB/T835-1988 78DIN660半圆头铆钉round head rivets ISO1051GB/T867-1986 79DIN661沉头铆钉contersunk head rivets ISO1051GB/T869-1986 80DIN662半沉头铆钉raised contersunk head rivets ISO105181DIN674大扁头铆钉mushroom head rivets ISO105182DIN703重型侧面带孔圆螺母adjusting rings,heavy range (shafting collars)83DIN705侧面带孔圆螺母adjusting rings,light range(shafting collars)GB/T816-198884DIN741卡头wire rope clips85DIN787T型槽螺钉T-slot screws ISO29986DIN835双头螺柱(牙长=2D)studs-metal (end=2d)GB/T900-198887DIN906内六角锥型闭锁螺钉hexagon socket pipe plugs,conical thread88DIN908内六角直型闭锁螺钉hexagon socket screw plugs,cyl. thread89DIN909外六角锥型闭锁螺钉hexagon head pipe plugs,conical thread90DIN910外六角直型闭锁螺钉hexagon head screw plugs,cyl.thread91DIN911内六角扳手socket wrenches ISO293692DIN912内六角圆柱头螺钉hexagon socket cap screws ISO4762GB/T70-200093DIN913内六角平端紧定螺钉hexagon socket set screws withflat pointISO4026GB/T77-200094DIN914内六角尖端紧定螺钉hexagon socket set screws withcone pointISO4027GB/T78-200095DIN915内六角圆柱端紧定螺钉hexagon socket set screws withdog pointISO4028GB/T79-200096DIN916内六角凹端紧定螺钉hexagon socket set screws withcup pointISO4029GB/T80-200097DIN917薄型盲螺母hexagon cap nuts98DIN920开槽小圆柱头螺钉slotted short cheese head screws99DIN921开槽大圆柱头螺钉slotted large cheese head screws GB/T838-1988100DIN923开槽圆柱头轴肩螺钉slotted pan head screws withshoulderGB/T830-1988101DIN927开槽无头轴肩螺钉slotted shoulder screws102DIN928焊接方螺母square weld nuts GB/T13680-1992 103DIN929焊接六角螺母hexagon weld nuts GB/T13681-1992序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard 104DIN931六角头螺栓(半牙)hexagon head screws ISO4014GB/T5782-2000 105DIN933六角头螺栓(全牙)hexagon head screws ISO4017GB/T5783-2000 106DIN934六角头螺母(1型)hexagon full nuts ISO4032GB/T6170-2000 107DIN934细牙六角头螺母(1型)hexagon full nuts ISO8673GB/T6171-2000 108DIN935开槽六角螺母hexagon slotted and castle nuts ISO7035GB/T6178-1986 109DIN936六角头薄螺母hexagon thin nuts ISO4035GB/T6172.1-2000110DIN937六角头开槽薄螺母hexagon thin slotted and castlenutsISO7038GB/T6181-1986111DIN938双头螺柱(牙长=1D)studs metal (end=1d)GB/T897-1988 112DIN939双头螺柱(牙长=1.25D)studs metal (end=1.25d)GB/T898-1988 113DIN940双头螺柱(牙长=1.5D)studs metal (end=1.5d)114DIN960六角头细牙螺栓(半牙)hexagon head bolts,metric finepitch threadISO8765GB/T5785-2000115DIN961六角头细牙螺栓(全牙)hexagon head bolts,metric finepitch threadISO8676GB/T5786-2000116DIN962头部穿孔六角头螺栓additional shapes and versions for bolts117DIN963开槽沉头螺钉slotted countersund head screws ISO 2009GB/T68-2000118DIN964开槽半沉头螺钉slotted raised countersunk ovalhead screwsISO 2010GB/T69-2000119DIN965十字槽沉头螺钉cross recessed countersunk headscrewsISO7046GB/T819.1-2000GB/T819.2-1997120DIN966十字槽半沉头螺钉cross recessed raised countersunkhead screwsISO7047GB/T820-2000121DIN970六角头螺母hexagon nuts type-1122DIN971六角头螺母hexagon nuts type-2123DIN972细牙六角头螺母(2型)hexagon nuts with fine thread ISO8674GB/T6176-2000 124DIN975牙条(全螺纹)threaded rods(studdings)GB/T15389-94 125DIN976螺纹销threaded pins(stud bolts)126DIN979六角头开槽薄螺母(2型)hexagon thin slotted and castle nuts127DIN980全金属六角锁紧螺母(1型)prevailling torque type hexagonnuts,all metall nutsISO7199GB/T6184-2000128DIN981圆螺母locknuts ISO2982GB/T812-1988129DIN982六角头尼龙锁紧螺母prevailling torque type hexagonnuts,heavy type ,with nylonISO7040GB/T889.1-2000130DIN985六角头薄型尼龙锁紧螺母prevailling torque type hexagonnuts,heavy type ,with nylonISO10511GB/T6172.2-2000131DIN986六角盖型尼龙锁紧螺母prevailling torque typedomed capnuts with nylon insert132DIN988配合垫片shim rings133DIN1052木材连接用垫片washers for timber connectors 134DIN1151沉头钢钉round plain head nails135DIN1440销钉专用垫片A型plain washers for clevis pins(A型)ISO8738136DIN1441销钉专用垫片plain washers for clevis pins137DIN1444带头销钉clevis pins with head ISO2341序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard 138DIN1471圆锥型槽销grooved pins,taper grooved ISO8744GB/T13829.2-92139DIN1472圆锥型槽销(半槽)grooved pins,taper grooved halflengthISO8745GB/T13829.2-92140DIN1473平行槽销(带倒角)grooved pins,parallel groovedfull lengthISO8740141DIN1474前端凹槽槽销grooved pins,reserve grooved halflengthISO8741142DIN1475中部凹槽槽销grooved pins,centre grooved ISO8742143DIN1476圆头槽销grooved pins with round head ISO8746GB/T13829.3-92144DIN1477沉头槽销grooved pins with countersunkheadISO8747145DIN1479六角螺母棒turnuckles(centre parts),made out of hexagon bar146DIN1480花篮螺栓turnuckles with eye bolt and hook bolt147DIN1481弹性圆柱销spring pins,heavy type ISO8752GB/T879-1986 148DIN1587组合式盖型螺母hexagon domed cap nuts GB/T802-1988149DIN1804开槽圆螺母(配合沟头扳手)slotted round nuts for hook spanner150DIN1816圆螺母(带插销孔)round nuts with set holes151DIN2093盘型弹簧垫圈disc springs152DIN3017喉箍hose clamps153DIN3404润滑油嘴(旋扭头)lubricating nipples,button head154DIN3567管夹shackles for conduilts155DIN3570U型螺栓stirrup bolts(U-bolts)156DIN6319球面垫圈spherical washers,conical seats GB/T849-1988 157DIN6325圆柱销parallel pins ISO8734158DIN6330厚六角螺母hexagon nuts ,1.5d GB/T56-1988 159DIN6331厚六角法兰面螺母hexagon nuts ,1.5d with collar GB/T6177-1986 160DIN6334长六角螺母hexagon nuts ,3d161DIN6797-A外齿锁紧垫圈external teeth lock washers GB/T862.1-1987 162DIN6797-I内齿锁紧垫圈internal teeth lock washers GB/T861.1-1987163DIN6798-A外锯齿锁紧垫圈external teeth serrated lockwashersGB/T862.2-1987164DIN6798-I内锯齿锁紧垫圈internal teeth serrated lockwashersGB/T861.2-1987165DIN6799 开口挡圈retaining rings for shafts(E-rings),circlipsGB/T896-1986166DIN6885平键(A型)parallel keys(form A )ISO773/2491167DIN6888半圆键woodruff keys ISO3912168DIN6899嵌环(支撑环)thimbles169DIN6900机器螺钉和垫圈组合件screws and washers assemblies GB/T9074.1-2002170DIN6901自攻螺钉和垫圈组合件tapping screws and washersassembliesGB/T9074.18-1998171DIN6912薄型带孔内六角圆柱头螺钉hexagon socket head cap screws with hole,low head序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard172DIN6914大六角头螺栓hexagon head bolts with large head(friction grip bolts)173DIN6915大六角螺母hexagon nuts with large wideth across flat(friction grip nuts)174DIN6916大垫圈round washers for friction grip bolts175DIN6917楔型方垫圈spuare taper washers forfriction grip bolts on T-sections176DIN6923六角法兰面螺母hexagon flange nuts ISO4161GB/T6177-2000177DIN6925全金属六角锁紧螺母(2型)prevailing torque type hexagonnuts,all metallic nutsISO7042GB/T6185.1-2000178DIN7337开口型抽芯铆钉(沉头、扁圆头)blind rivets GB/T12617/12618-1990179DIN7338扁平头半空心/全空心铆钉rivets for brake and clutchliningGB/T875/975-1986180DIN7343螺旋夹紧销spiral pins ISO8750 181DIN7346轻型弹性圆柱销spring pins,light type ISO13337182DIN7349重型弹性圆柱销用垫圈washers for bolts with heavy type spring pinss183DIN7500ISO公制螺纹螺钉(多种头型)threadforming screws for ISO-metric thread184DIN7504自攻自钻螺钉(多种头型)self-drilling tapping screws 185DIN7513开槽切削螺纹螺钉(多种头型)thread cutting screws186DIN7516十字槽切削螺纹螺钉(多种头型)thread cutting screws cross recess187DIN7965T型四爪螺母tee nuts with pronge188DIN7968钢结构用六角头螺栓连接副hexagon head fitted bolts forsteel structuresGB/T1228/1229/1230-2006189DIN7971开槽盘头自攻螺钉pan head tapping screws with slot ISO1481GB/T5282-1985190DIN7972开槽沉头自攻螺钉countersunk flat head tappingscrews with slotISO1482GB/T5283-1985191DIN7973开槽半沉头自攻螺钉raised countersunk oval headtapping screws with slotISO1483GB/T5284-1985192DIN7976六角头自攻螺钉hexagon tapping screws ISO1479GB/T5285-1985193DIN7980圆柱头螺钉用弹簧垫圈spring lock washers for screwswith cylindrical headsISO8738194DIN7981十字槽盘头自攻螺钉pan head tapping screws withcross recessedISO 7049GB/T845-1985195DIN7982十字槽沉头自攻螺钉countersunk flat head tappingscrews with cross recessedISO7050GB/T846-1985196DIN7983十字槽半沉头自攻螺钉raised countersunk oval headtapping screws with crossISO7051GB/T847-1986197DIN7984薄型内六角圆柱头螺钉hexagon socket head cap screws with,reduced head198DIN7985十字槽盘头螺钉pan head screws with crossrecessedISO7045GB/T818-2000199DIN7989钢结构用垫圈washers for steel structures GB/T1230-2006200DIN7990钢结构用六角头螺栓hexagon head bolts for steelstructuresGB/T1229-2006201DIN7991内六角沉头螺钉hexagon socket countersunk headscrewsISO10642202DIN7993轴用钢丝挡圈roundwire snap rings for shafts GB/T895.2-1986203DIN7995十字槽半沉头木螺钉cross recessed raised countersunkhead wood screwsGB/T952-1986204DIN7996十字槽圆头木螺钉cross recessed round head woodscrewsGB/T950-1986205DIN7997十字槽沉头木螺钉cross recessed countersunk headwood screwsGB/T951-1986序号德国标准中文品名英文品名国际标准中国标准Item DIN-Standard Description in Chinese Description in English ISO-Standard GB-Standard206DIN8140螺纹护套(普通\自锁等)ciol inserts,coarse,fine thread,silf locking207DIN9021大外径垫圈washers,outside diameter appro.3d ISO7093GB/T96-1985 208DIN11024弹簧卡子spring cotter for a bolt209DIN13257平板螺栓belting bolts (elevator bolts)210DIN18182干壁钉(墙板钉)dry wall screws211DIN28129环型螺母lifting nuts(eye nuts)GB/T63-1988212DIN70952圆螺母用止退垫圈tab washers for slotted roundnutsGB/T858-1988。