20 # Umbhobho wentsimbi
GB3087: Umbhobho wentsimbi ongenamthungo kwibhoyila yoxinzelelo oluphantsi naphakathi
GB9948: Umbhobho wentsimbi ongenamthungo wokuqhekeka kwepetroleum
GB6479:Imibhobho yentsimbi engenamthungo yezixhobo zesichumiso soxinzelelo oluphezulu
GB/T17396Umbhobho oshushu oqengqelekayo wentsimbi ongenamthungo wepropu yehydraulic
20 # intsimbiyeyomgangatho ophezulu wentsimbi yekhabhoni ephantsi, ebandayo eyongeziweyo kunye nentsimbi eqinile.Intsimbi inamandla aphantsi, ukuqina okulungileyo, iplastiki kunye ne-weldability.Yeyomgangatho ophezulu we-carbon carbon steel, i-cold-extruded kunye nentsimbi eqinile.Intsimbi inamandla aphantsi, ukuqina okulungileyo, iplastiki kunye ne-weldability.Ngokuqhelekileyo isetyenziselwa ukwenza imibhobho engenamthungo kunye noxinzelelo oluphantsi kunye neemfuno zokuqina okuphezulu.
IBanga | Ubungakanani Uluhlu | ||||||||||||||
| OD | WT | |||||||||||||
20# | 21-1200 | 3 ukuya kutsho 130 |
IBanga | Icandelo leMichiza % | ||||||||||||||
| C | Si | Mn | Cr | Mo | V | Ti | B | Ni | Cu | Nb | N | W | P | S |
20# | 0.17- | 0.17- | 0.35- | ≤ | - | - | - | - | ≤ | ≤ | - | - | - | ≤ | ≤ |
IBanga | IPropati yoomatshini | ||||||||||||||
| Amandla okuqina (MPa) | Amandla Okuqina (Mpa) | Elogation(L/T) | Impembelelo(J) Ngokuthe nkqo/Ethe tye | Ukuqina(NB) | ||||||||||
20# | 410- | ≥ | ≥20% | ≥40/27 | - |
1. Ixesha lokuhambisa: I-inventory enkulu yenza ukuba ubuncinane ubuncinane bexesha lokuhambisa, ngokukodwa iintsuku ezi-5-7.
2. Ulawulo lweendleko: Izibonelelo ezikhoyo kunye namava amaninzi olawulo lweendleko masibonelele ngeyona ndlela ifanelekileyo yokudibanisa izixhobo ezisekelwe kwiimfuno zabathengi.
3. Isixhobo sokugaya i-Top Mill: Inokubonelela ngesatifikethi esipheleleyo kunye namaxwebhu esiqinisekiso sokungqina umgangatho ophezulu kunye nokubonelela ngenkxaso kwithenda.
4. Inkqubo ye-QC engqongqo: Ukuhlolwa okupheleleyo kwendawo, uvavanyo olupheleleyo kunye nengxelo, ukuhlolwa komntu wesithathu
5. Emva kwenkonzo: zonke iimveliso ezinokulandeleka, Ukulandela umthombo wetyala