ASTM A210 (ASME SA210 Grade C) bututun ƙarfe ne na matsakaicin-carbon maras sumul wanda aka kera musamman don amfani da shi wajen kera bututun tukunyar jirgi da hayaƙin tukunyar jirgi, gami da ƙarewar aminci, bangon tanderu da bututun tallafi, da bututun dumama.
Grade C yana da kyawawan kaddarorin inji, tare da ƙarfin juzu'i na 485 MPa da ƙarfin yawan amfanin ƙasa na 275 MPa. Waɗannan kaddarorin, tare da abun da ke tattare da sinadarai masu dacewa, suna sa bututun ASTM A210 Grade C ya dace da amfani a cikin matsanancin zafin jiki da kuma high- yanayin matsa lamba da kuma iya jure matsalolin da aikin tukunyar jirgi ke haifarwa.
Za a yi bututun ta hanyar tsari mara kyau kuma za su kasance ko dai sun ƙare da zafi ko sanyi.
Da ke ƙasa akwai ginshiƙi na tsarin masana'antu don ƙaƙƙarfan bututun ƙarfe mara nauyi:
To mene ne bambanci tsakanin bututun karfe da aka gama da zafi da sanyi kuma ta yaya za ka zaba?
An gama zafiBututun karfe maras sumul bututu ne na karfe da ake birgima ko aka huda shi a yanayin zafi mai yawa da sauran matakai sannan kuma a sanyaya kai tsaye zuwa zafin dakin.Karfe bututu a cikin wannan jihar yawanci suna da mafi tauri da kuma wasu ƙarfi, amma surface ingancin bazai da kyau kamar sanyi-ƙare karfe bututu saboda zafi magani tsari na iya haifar da hadawan abu da iskar shaka ko decarburization na saman karfe bututu.
An gama sanyibututun ƙarfe maras sumul yana nufin aiki na ƙarshe na bututun ƙarfe ta hanyar zane mai sanyi, jujjuyawar sanyi, da sauran matakai a cikin zafin jiki.Bututun ƙarfe da aka gama da sanyi yana da daidaiton girman girman girma, da ingancin ƙasa mai kyau, kuma saboda sarrafa sanyi na iya haɓaka ƙarfi da taurin bututun ƙarfe, kayan aikin injin da aka gama sanyi galibi sun fi na bututun ƙarfe da aka gama da zafi. .Duk da haka, ana iya haifar da wani adadin ragowar damuwa a cikin bututun ƙarfe yayin aikin sanyi, wanda ke buƙatar kawar da shi ta hanyar maganin zafi na gaba.
Bututun ƙarfe da aka gama da zafi baya buƙatar magani mai zafi.
Bututun da aka gama sanyi za a shafe su, a shafe su gabaɗaya, ko zafi na yau da kullun bayan aikin gama sanyi na ƙarshe.
| Daraja | CarbonA | Manganese | Phosphorus | Sulfur | Siliki |
| ASTM A210 ASME SA210 Grade C | 0.35% max | 0.29 - 1.06% | 0.035% max | 0.035% max | 0.10% min |
AGa kowane raguwa na 0.01% a ƙasa da ƙayyadaddun iyakar carbon, haɓakar 0.06% na manganese sama da iyakar ƙayyadaddun za a ba da izini har zuwa matsakaicin 1.35%.
Dukiyar Tensile
| Daraja | Ƙarfin ƙarfi | Ƙarfin bayarwa | Tsawaitawa |
| min | min | a cikin 2 a cikin ko 50 mm, min | |
| ASTM A210 ASME SA210 Grade C | 485 MPa [70 ksi] | 275 MPa [40 ksi] | 30% |
Gwajin Lalacewa
Hawaye ko karya suna faruwa a wuraren karfe 12 oг 6 akan bututun Grade C tare da girman 2.375 in. [60.3 mm] a diamita na waje da ƙarami ba za a ɗauki tushe don ƙi ba.
Ana iya duba takamaiman buƙatu a cikiASTM A450, abu na 19.
Gwajin Flaring
Ana iya duba takamaiman buƙatun a cikin ASTM A450, abu na 21.
Tauri
Darasi C: 89 HRBW (Rockwell) ko 179 HBW (Brinell).
Kowane bututun ƙarfe za a yi shi da gwajin matsa lamba na hydrostatic ko gwajin lantarki mara lalacewa.
Abubuwan gwajin da ke da alaƙa da matsi na hydrostatic sun dace da ASTM 450, abu na 24.
Bukatun gwaji marasa lalacewa masu alaƙa da lantarki sun yi daidai da ASTM 450, abu na 26.
Ƙirƙirar ayyuka sun zama dole don bututun tukunyar jirgi don tabbatar da cewa bututun sun cika takamaiman buƙatun tsarin tukunyar jirgi.
Lokacin da aka saka a cikin tukunyar jirgi, bututu za su tsaya suna faɗaɗa kuma suna yin kwalliya ba tare da nuna tsagewa ko lahani ba.Lokacin da aka yi amfani da shi yadda ya kamata, bututu masu zafi za su tsaya duk suna ƙirƙira.waldi.da kuma lankwasawa da ake bukata don aikace-aikace ba tare da tasowa lahani.
Botop Karfe babban welded carbon karfe bututu masana'anta kuma maroki daga kasar Sin, da kuma wani m karfe bututu stockist, samar muku da high quality, daidaitacce, kuma gasa farashin karfe bututu.
Idan kuna buƙatar, da fatan za a tuntuɓe mu, ƙwararru, kan layi don sabis ɗin ku!
