ASTM A210 karfe tube bututun ƙarfe ne mai matsakaicin carbon maras sumul wanda ake amfani dashi azaman tukunyar jirgi da bututun zafi don yanayin zafi mai zafi da matsanancin yanayi, kamar a tashoshin wutar lantarki da tukunyar jirgi na masana'antu.
Maɓallan kewayawa
Girman Range na ASTM A210
Diamita na waje: 1/2in(12.7mm)≤ OD ≤5in (127mm)
Kaurin bango0.035 a cikin (0.9mm) ≤ WT ≤0.500 a (12.7mm)
Za a iya samar da bututu masu girma dabam, muddin irin waɗannan bututun sun cika duk sauran buƙatun wannan ƙayyadaddun.
Raw Materials
Aikin Karfe--Za a kashe karfe.
Karfe da aka kashe yana nufin ƙarin wasu adadin abubuwan deoxidizers kamar silicon, aluminum, da manganese yayin aikin narkewar ƙarfe.
Wadannan additives za su iya amsawa tare da oxygen a cikin karfe don samar da m oxides, don haka rage oxygen abun ciki a cikin karfe da kuma hana samuwar oxidizing inclusions.
ASTM A210
Ana samun ASTM A210 a maki biyu:Darasi A-1 da C.
ASTM A210 Tsarin Samar da Bututun Karfe mara Sumul
Za a yi bututun ƙarfe ta hanyar tsari mara kyau kuma ya kasancezafi-ƙare or sanyi-ƙarekamar yadda aka ayyana.
Yawanci, bututun ƙarfe da diamita fiye da milimita 30 suna da zafi-ƙarewa kuma waɗanda ke da diamita ƙasa da ko daidai da milimita 30 an gama sanyi.Wannan hanyar bambancewa ba cikakke ba ce amma ana iya amfani da ita azaman hanya mai sauri da sauƙi don ƙayyade hanyar sarrafa bututun ƙarfe mara nauyi.
Maganin zafi
Ba a buƙatar maganin zafi don bututun da aka gama da zafi.
Za'a ba da bututun da aka gama sanyi anneal na subcritical, cikakken anneal, ko daidaita yanayin zafi bayan aikin gama sanyi na ƙarshe.
Abubuwan sinadaran
| Abun ciki | Darasi A-1 | Darasi C |
| C (Carbon), maxA | 0.27 | 0.35 |
| Mn (Manganese) | 0.93 max | 0.29-1.06 |
| P (phosphorus), max | 0.035 | 0.035 |
| S (sulfur), max | 0.035 | 0.035 |
| Si (Silicon), min | 0.1 | 0.1 |
| A Ga kowane raguwa na 0.01 % ƙasa da ƙayyadadden iyakar carbon, haɓakar 0.06 % na manganese sama da ƙayyadadden ƙayyadadden ƙima za a ba da izini har zuwa matsakaicin 1.35 %. | ||
Waɗannan buƙatun sinadarai suna tabbatar da cewa bututun suna da isasshen ƙarfi da juriya na zafin jiki.
Kayayyakin Injini
Bukatun kadarorin injina ba su shafi tubing ƙasa da1/ 8a [3.2 mm] a cikin diamita ko 0.015 in. [0.4 mm] a cikin kauri.
| Jerin | Uint | Darasi A-1 | Darasi C | |
| Ƙarfin ɗaure, min | ksi | 60 | 70 | |
| MPa | 415 | 485 | ||
| Ƙarfin bayarwa, min | ksi | 37 | 40 | |
| MPa | 255 | 275 | ||
| Tsawaitawa a cikin mm50 (2 in ), min | Don gwaje-gwajen tsiri mai tsayi, za a yi ragi ga kowane 1/32-in.[0.8-mm] raguwa a cikin kaurin bango a ƙarƙashin 5/16 in. [8 mm] daga ainihin ƙaramar haɓakar maki masu zuwa. | % | 1.5A | 1.5A |
| Lokacin daidaitaccen zagaye 2-in.ko tsayin gage na mm 50 ko ƙarami daidai gwargwado tare da tsayin gage daidai da 4D (sau huɗu diamita) ana amfani da shi. | 22 | 20 | ||
| ADuba Tebu 4 don ƙididdige mafi ƙarancin ƙima. | ||||
Tebu 4 yana ba da ƙididdige ƙididdiga mafi ƙarancin ƙima ga kowane1/32in. [0.8 mm] raguwa a kaurin bango.
Inda kaurin bango ya ta'allaka tsakanin dabi'u biyu da aka nuna a sama, mafi ƙarancin ƙimar elongation za a ƙayyade ta hanyar ma'auni mai zuwa:
Raka'a na Imperial (a): E = 48t+15.00
Naúrar SI (mm): E = 1.87t+15.00
inda:
E = tsawo a cikin 2 in. ko 50 mm,%,
t = ainihin kauri na samfurin.
Gwajin Tauri
Za a yi gwajin taurin Brinell ko Rockwell akan samfurori daga bututu biyu daga kowane kuri'a.
Matsayin ASTM A210 A-1: 79-143 HBW
ASTM A210 Grade C: 89-179 HBW
HBW yana nufin auna Brinell Hardness, inda "W" ke tsaye don amfani da ƙwallon carbide a matsayin mai shiga.
Sauran Gwaji
Gwajin Lalacewa
Gwajin Walƙiya
Gwajin lantarki na Hydrostatic ko Nodestructive Electric
Ƙarshen Sama
Ana iya tsinke shi ko a busa shi, ko kuma duka biyun, kuma wannan ɓangaren lamari ne na yarjejeniya, kuma zaɓin ya dogara ne akan yarjejeniya tsakanin mai amfani da masana'anta.
Ana amfani da pickling da yawa don cire yadudduka masu oxidized da sauran gurɓatattun abubuwa daga saman bututun ƙarfe.
Ana amfani da fashewar harbe-harbe don tsaftace saman da haɓaka ƙarfin mannewa.
Waɗannan jiyya ba wai kawai suna shafar ingancin bututun ba amma kuma suna iya shafar kaddarorin aikace-aikacen sa na ƙarshe.
Ƙirƙirar Ayyuka
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, manyan bututun zafi za su tsaya duk aikin ƙirƙira, walda, da lankwasawa waɗanda ake buƙata don aikace-aikacen ba tare da haɓaka lahani ba.
ASTM A210
Ya kamata a yi alama a fili mai zuwa:
Sunan masana'anta ko tambarin masana'anta.
Ƙayyadaddun bututu (girman, kauri na bango, da dai sauransu).
Matsayin bututu.
Nau'in samar da bututun ƙarfe: gama zafi ko sanyi gama.
Abubuwan da suka dace don ASTM A210
Ana amfani da shi wajen kera ƙananan tukunyar jirgi mai matsakaicin matsakaici na matsakaicin matsa lamba, irin su tukunyar jirgi mai tashi, na'urorin zama, da sauran tukunyar jirgi da ake amfani da su don dumama masana'antu ko na zama.
Superheaters sassa ne na tukunyar jirgi da ake amfani da su don ɗaga zafin tururi sama da wurin tafasa, kuma bututun ASTM A210 sun dace da kera waɗannan sassa masu zafi.
Kayayyakinmu masu alaƙa
Mu ne babban ingancin welded carbon karfe bututu masana'anta da kuma maroki daga kasar Sin, da kuma wani m karfe bututu stockist, ba ku da fadi da kewayon karfe bututu mafita!
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Lokacin aikawa: Afrilu-24-2024