201 bakin karfe bututu ne International bakin karfe alama hanyar

201 bakin karfe bututu - S20100 (AISI.ASTM)

Cibiyar Karfe ta Amurka tana amfani da lambobi uku don nuna daban-daban daidaitattun nau'ikan bakin karfe. daga cikinsu:

① Austenitic size bakin karfe tare da 200 da 300 jerin lamba alama,

② Ferrite da Martian jiki size bakin karfe wakiltar da 400 jerin lambobi. Misali, wasu mafi al'ada Austenitic bakin karfe

Ana da alamun 201, 304, 316 da 310.

② Ferrite bakin karfe ne alama da 430 da 446, martensite bakin karfe ne alama da 410, 420 da 440C

tuna, biyu fasali (austenitic-ferrous),

② bakin karfe, precipitated karfe karfi da kuma high kayan aiki tare da ƙasa da 50% baƙin ƙarfe yawanci amfani da patent sunan ko alamar kasuwanci sunan

Production tsari na bakin karfe seamless bututu

a. zagaye karfe shirye-shirye; b. dumama; c. zafi madaidaiciya perforation; d. yankan kai; e. tsaftacewa da acid; f. gyara; g. lubrication; h. sanyi sarrafawa; i. kawar da mai; j. m zafi magani; k. daidaitawa; l. yankan bututu; m. tsaftacewa da acid; n. kammala samfurin dubawa.

201 bakin karfe bututun nauyi formula: [(waje diamita - bango kauri) * bango kauri] * 0.02491 = kg / m (nauyi a kowace mita)

201 Bakin Karfe Pipe Aikace-Aiki

201 bakin karfe bututu yana da: acid juriya, alkali juriya, m high allura-free rami da dai sauransu halaye, shi ne samar da daban-daban kwalliya, strap kasa rufi ingancin kayan da dai sauransu. 201 bakin karfe bututu mayar da hankali za a iya amfani da shi a yin ado bututu, masana'antu bututu, wasu haske yanka kayayyakin. 201 bakin karfe bututu don jiki kaddarorin

1. tsawo: 60 zuwa 80%

2.抗拉刚度: 100,000 zuwa 180,000 psi

3. Jirgin ƙarfi: 29,000,000 psi

4.屈服刚度: 50,000 zuwa 150,000 psi

201 bakin karfe bututun nauyi formula: [(waje diamita - bango kauri) * bango kauri] * 0.02491 = kg / m (nauyi a kowace mita).

201 bakin karfe bututu ne International bakin karfe alama hanyar

　　

Alamar 201, 202, 301(1Cr17Ni17) , 304(0Cr18Ni9) ,304L(00Cr19Ni10) ,321(1Cr18Ni9Ti), TP316l(0Cr17Ni12Mo2) ,316L(00Cr17Ni14Mo2),310S(0Cr25Ni20) ,317L(00Cr19Ni13Mo3)

Aika ka'idoji GB/T14976-2002 、 GB13296-91 、 GB9948-88 ， isa Amurka ASTM/ASME A213/SA213 、 ASTM/ASME A312/SA312 、 ASTM/ASME A269/SA269 、 DIN 17458-85 、 DIN 17456-85 、 JIS G 3459 、 JIS G 3463 、 JIS G 3448 JIS G 3446 Ka'idoji.

201 tsawo da ci gaban bakin karfe bututu

Daga 201 zuwa 201

A halin yanzu kasuwar da ake amfani da samar da baken karfe walda bututun 201 ba ne Amurka ASTM misali 201, ko kuma Japan JIS misali SUS201, da nickel abun ciki ba ya kai Amurka 201 ko Japan 201 misali, bari mu kira 201A. Yana da wani nau'i da aka gabatar da Indiya da manganese nickel, nickel abun ciki da nickel kusan 1%, a Indiya da ake kira J4, a Taiwan yankin da ake kira 202A, a babban yankin China da ake kira 1Cr15Mn8Ni1N.

Tun lokacin da baken karfe ya shiga kasuwar ado a ƙarshen shekarun 1980, kayan ado na baken karfe ya fi dacewa da 304, kodayake yana ci gaba da sauri, amma koyaushe ana sayar da su a cikin manyan birane, a matsayin kayan ado masu inganci, ana amfani da su a cikin kayan ado na otal-otal masu inganci, ƙofofin da taga da matakala. Marubucin a tsakiyar shekarun 90 ya yi tafiya zuwa birnin Urumqi na Xinjiang, ya gano cewa matakala na otal-otal mai tauraro kawai mafi saman bututun bakin karfe ne, sauran ginshiƙai da sauran kayan suna tallafawa ta itace da sauran kayan, kuma, ban da ci gaban ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙwanƙwasan ƙ Babban farashin 304 bakin karfe bututu yana shafar aikace-aikacen bakin karfe bututu a masana'antar ado.

A ƙarshen karni na 1990, Indiya Jindali kamfanin gabatar da wani irin bakin karfe kayan da ake kira J4 a kasar Sin (watau, wannan labarin ya ce 201A), da low farashin nan take jawo hankalin da yawa bakin karfe walda bututun kamfanoni da kayan ado masana'antun samar da kuma sayar da, a lokacin da samar da irin wannan kayan masana'antun kaɗan, Jindali kamfanin za a iya ce a duk duniya, kasuwanci a kasar Sin ya samu sauri ci gaba. Bayan haka, wasu kamfanoni masu zaman kansu na cikin gida da sauri sun gano wannan damar kasuwanci, da sauri sun saka hannun jari don fara samar da wannan bakin karfe kayan. A kusa da shekara ta 2006, Jindali kamfanin ya dakatar da tallace-tallace a kasar Sin, yanzu kuma kawai samar da wani karamin ɓangare, gida walda bututun masana'antu kusan ba ya amfani da Jindali kamfanin takardun.

201A rabo a bakin karfe ado bututun kasuwa

Saboda 201A kayan bakin karfe band ne kawai kadan wuya fiye da 304, tsawo mafi rauni fiye da 304, zurfin bugawa da zurfin jawo zai fashe, amma a ado walda bututun masana'antu wadannan ba su tasiri amfani, bayan polishing a cikin gida a cikin wani gajeren lokaci ba zai rust, kamar 304 babu magnetic, kawai ta hanyar lura da farfajiyar gabaɗaya ba zai iya raba su, wanda ya sa wannan m bakin karfe ya samu sauri ci gaba.

Har zuwa 2008, Foshan yankin lardin Guangdong samar da kayan ado bututun da aka fi masana'antun kai kusan 200, samar da kimanin miliyan 1 t, wanda ban da Lancashi Aerospace Star da sauran kamfanoni kaɗan, mafi yawan kamfanoni ba samar da 304 bututun kayan bakin karfe bututun, 304 da 201A samar da rabo ne kimanin 1: 9.

Daga tallace-tallace da yawa, ban da Fujian, Shanghai, Guangdong, Jiangzhe kuma sayar da wani ɓangare na 304 kayan bakin karfe ado bututun, sauran wurare na kasar sayar da bakin karfe ado bututun kusan duk ne 201A ko mafi muni fiye da 201A "ba tare da nickel ba tare da magnetism" da ake kira bakin karfe walda bututun.

Masanin nazarin bakin karfe na Koriya ta Kudu Mr. Li Jinlong a cikin "Ci gaban Masana'antu na Bakin Karfe na kasar Sin da Canje-canje a Tsarin Canje-canje" ya yi imanin cewa kashi na 200 jerin (galibi 201A) bakin karfe a cikin tallace-tallace na bakin karfe a shekarar 2006 ya kai kashi 23.9%, amma daga kayan ado don bakin karfe walda bututun, ban da 'yan lardunan bakin teku da ke amfani da sassan 304 na bakin karfe walda bututun a matsayin kayan ado, sauran lardunan da birni kusan ba su amfani da 304 a matsayin kayan ado ba, yayin da yawan amfani da 201A, gami da takardun da bututun, ya

　　

201 bakin karfe gaskiya karya ganewa

A halin yanzu, kasa da kasa na kayan lalata juriya da shekara-shekara lalata kudi raba zuwa nau'ikan uku, na farko nau'in ne cikakken lalata juriya, da lalata kudi kasa da 0.1mm / shekara, ingancin bakin karfe ya kasance irin wannan kayan; Na biyu nau'i ne har yanzu lalata juriya, da lalata kudi ne 0.1-1.0mm / shekara, da kuma m bakin karfe; Na uku nau'i ne rashin lalata juriya, da lalata kudin ya fi 1.0mm a kowace shekara. An bincika kayayyakin bakin karfe na karya da aka gano a wannan lokacin, kuma yawan lalata ya kai 9.67mm / shekara, wanda ke da tsananin rashin lalata. A lokacin da aka kara nazarin kayan samfurin, an gano cewa abun ciki na chromium da ke wakiltar mahimman alamun bakin karfe a cikin samfurin yana da kashi 10.03% da kashi 7.1%, wanda ya kasance ƙasa da buƙatun ƙarancin buƙatun bakin karfe na chromium na kashi 10.5%.

Gabaɗaya, da chromium abun ciki mafi girma fiye da 10.5% baƙin ƙarfe tushen gami da aka kira bakin karfe, da kuma biyu kayayyakin da chromium abun ciki da yawa ƙasa da wannan ƙasa iyaka, da samfurin ba bakin karfe ko da yaushe.

Dalilin da ya sa wannan samfurin zai bayyana a kasuwa, yafi yawa shi ne sha'awar masu samarwa, amfani da rashin sanin jama'a game da bakin karfe don yin karya. Mutane da yawa ya yi imanin cewa bakin karfe ba shi da magnetism, da karya ta hanyar yawan amfani da manganese da nickel dabaru, canza kayan aiki, samun wani nau'i na kayan da ba su da magnetism, farashi da kuma sosai m, don haka cimma manufar samun babban riba.

Bayanan samfurin a kasuwar kwarara da yawanci bakin karfe yana da wuya a bambanta, a lokaci guda, saboda babu magnetism, da kuma rashin doka dillalai dauki doping cakuda dabaru, ga masu amfani da gane gaskiya ya haifar da babban wahala, bayan amfani da shi zai haifar da sakamakon da ba za a iya hango ba. Bugu da ƙari, an yi amfani da ƙananan adadin nickel a cikin wannan kayan, amma ba zai iya taka rawar da nickel ya cancanci ba, yana da halayen ɓata ƙarfe masu daraja, wanda ya haifar da wasu ɓata albarkatun.