I-DIN931 Hex Head Bolt eneZinc Plated Grade 8.8 10.9
I-DIN931 Hex Head Bolt eneZinc Plated Grade 8.8 10.9
Inkcazo
KHAWULEZAImpendulo
KHAWULEZAUcaphulo
KHAWULEZAUkuhanjiswa
ILUNGELE UKUTHUMELA NGENQANABA
10000+ SKU kwindawo yokugcina impahla
Sizibophelela kwizinto ze-RTS:
70% izinto ezizisiweyo phakathi kweentsuku ezi-5
80% izinto ezizisiweyo phakathi kweentsuku ezisi-7
90% izinto ezizisiweyophakathi kweentsuku ezili-10
Iiodolo ezininzi, nceda uqhagamshelane nenkonzo yabathengi
| Into | I-DIN933 Hex Head Bolt eneBakala 8.8 10.9 Zinc Plated Carbon Steel |
| Umgangatho | DIN,ANSI,BS,ISO,JIS |
| IBanga | 4.8, 6.8, 8.8, 10.9, 12.9 |
| Ubungakanani | M3-M40 |
| Izinto eziphathekayo | Carbon Steel Q195, Q235, Q345, 10B21, 35K, 45# |
| Unyango lomphezulu | cacileyo |
| Iinkcukacha zokuPakisha | ukupakisha isambuku kwiibhokisi, emva koko unxibe iipalethi, okanye ngokwezicelo zakho. |
| Uyilo lwabathengi | iqela lethu lobunjineli abanamava linokuphuhlisa iimveliso kunye nokwenza ngokuhambelana neesampuli, imizobo okanye izimvo kuphela |
| Immimiselo yokuhlawula | FOB, CIF, CFR, L/C, okanye abanye. |
| Indlela yokuhambisa | ngolwandle, ngomoya okanye ngenkonzo ecacileyo |
| Iziqinisekiso | ISO9001:2015 |
Inkcazo yeenkcukacha
Izibophelelo zokuqina eziphezulu ziya kuvelisa ukuqaqamba xa zifakwe igalvanized. Kufuneka ingqalelo ekhethekileyo.
I-Hydrogen embrittlement idla ngokubonakaliswa ngokulibaziseka ukuphuka phantsi koxinzelelo. Kubekho imithombo yemoto, iiwasha, izikrufu, izithonga zamashiti kunye nezinye iindawo ezifakwe amazimba, kwiiyure ezimbalwa emva kokuba indibano yaphukile, umlinganiselo wokwaphuka wama-40% ~ 50%. Kwinkqubo yokusebenzisa iinxalenye ze-cadmium-plated zemveliso ekhethekileyo, kwakukho i-batch crack fracture, kwaye ingxaki engundoqo yelizwe yasonjululwa kwaye inkqubo engqongqo ye-dehydrogenation yenziwe. Ukongeza, kukho ezinye i-hydrogen embrittlement ayibonisi isenzeko sokulibaziseka kokwaphuka, okufana: i-electroplating hanger (intambo yentsimbi, ucingo lobhedu) ngenxa yamaxesha amaninzi e-electroplating kunye ne-pickling plating, ukungena kwe-hydrogen kubi kakhulu, kaninzi kubonakala xa kusetyenziswa isibaya. kwenzeke isiganeko sokuqhekeka kwamathambo; I-mandrel yompu, emva kwamaxesha amaninzi e-chroming, yawa phantsi yaza yaphuka; Ezinye iindawo ezicinyiweyo (uxinzelelo olukhulu lwangaphakathi) ziya kuqhekeka xa zikhetha. Ezi nxalenye zine-hydrogenated kakhulu kwaye ziqhekeka ngaphandle koxinzelelo lwangaphandle, olungasayi kuphinda lusetyenziswe ukubuyisela ubunzima bokuqala nge-dehydrogenation.
Ukuphakama kwamandla ezinto eziphathekayo, lukhulu uvakalelo lwe-hydrogen embrittlement. Le ngcamango esisiseko ekufuneka icaciswe ngabachwephesha bonyango lomphezulu xa bequlunqa iinkcukacha zenkqubo ye-electroplating. Iintsimbi ezinamandla okuqina σb>105kg/mm2 ezifunwa yimigangatho yamazwe ngamazwe kufuneka zibe phantsi koxinzelelo lwangaphambili kunye nonyango lwe-post-plating dehydrogenation ngokufanelekileyo. Ishishini lenqwelomoya laseFransi lifuna unyango oluhambelanayo lwe-dehydrogenation kumalungu entsimbi anamandla esivuno σs>90kg/mm2.
Ngenxa yembalelwano elungileyo phakathi kokuqina kwentsimbi kunye nokuqina, kuyaqondakala kwaye kulula ukugweba uvakalelo lwe-hydrogen embrittlement yezinto ngobulukhuni kunokuba ngamandla. Ngenxa yokuba umzobo ogqibeleleyo wemveliso kunye nenkqubo yomatshini kufuneka imakwe ngobulukhuni bentsimbi. Kwi-electroplating, safumanisa ukuba ukuqina kwentsimbi ejikeleze i-HRC38 yaqala ukubonisa umngcipheko wokuqhekeka kwe-hydrogen embrittlement. Kwiindawo ezingaphezulu kune-HRC43, i-dehydrogenation kufuneka ithathelwe ingqalelo emva kokubekwa. Xa ukuqina malunga ne-HRC60, unyango lwe-dehydrogenation kufuneka lwenziwe ngokukhawuleza emva konyango lwangaphezulu, ngaphandle koko iindawo zentsimbi ziya kuqhekeka kwiiyure ezimbalwa.
Ukupakisha
Ngathi
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