Babban suna China Hot birgima ASTM A106 Gr.B Carbon Karfe Sch40 Round Sumul Bututu
Dubawa
Game da farashin siyar da gasa, mun yi imanin cewa za ku yi bincike mai zurfi don duk wani abu da zai iya doke mu. Za mu bayyana da cikakken tabbacin cewa don irin wannan kyakkyawan a irin wannan cajin mu ne mafi ƙasƙanci matakin kusa da Hot Rolled ASTM A106 Gr.B Carbon Karfe Seamless Pipe, Tare da fadi da kewayon, mai kyau inganci, m rates da kuma manyan ayyuka, za mu je zuwa. zama abokin kasuwancin ku da ya dace. Muna maraba da sababbin abubuwan da suka shuɗe daga kowane salon rayuwa don tuntuɓar mu don ƙungiyoyin kamfanoni na gaba da cimma nasarar juna! Tun da kafuwar , kamfanin ya ci gaba da rayuwa har zuwa ga imani na "sayar da gaskiya , mafi kyawun inganci , daidaitawar mutane da fa'ida ga abokan ciniki." Muna yin komai don samarwa abokan cinikinmu mafi kyawun sabis da mafi kyawun kayayyaki. Mun yi alƙawarin cewa za mu ɗauki alhakin har zuwa ƙarshe da zarar an fara ayyukanmu.
Aikace-aikace
Sumul karfe bututu for high zafin jiki aiki ASTM A106, dace da high zafin jiki
Babban Daraja
Matsayi na babban ingancin tsarin ƙarfe na carbon: GR.A, GR.B, GR.C
Abubuwan Sinadari
Rubutu, ( | |||
Darasi A | Darasi B | Darasi C | |
Carbon, max | 0.25A | 0.3B | 0.35B |
Manganese | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
Phosphorus, max | 0.035 | 0.035 | 0.035 |
Sulfur, max | 0.035 | 0.035 | 0.035 |
Silikon, min | 0.10 | 0.10 | 0.10 |
Chrome, maxC | 0.40 | 0.40 | 0.40 |
Copper, maxC | 0.40 | 0.40 | 0.40 |
Molybdenum, maxC | 0.15 | 0.15 | 0.15 |
Nickel, maxC | 0.40 | 0.40 | 0.40 |
Vanadium, maxC | 0.08 | 0.08 | 0.08 |
A Ga kowane raguwa na 0.01% ƙasa da ƙayyadaddun iyakar carbon, haɓakar 0.06% manganese sama da iyakar ƙayyadaddun za a ba da izini har zuwa matsakaicin 1.35%. | |||
B Sai dai in ba haka ba wanda mai siye ya ayyana, ga kowane raguwar 0.01% ƙasa da ƙayyadaddun iyakar carbon, za a ba da izinin haɓaka 0.06% manganese sama da iyakar ƙayyadaddun har zuwa matsakaicin 1.65%. | |||
C Wadannan abubuwa biyar da aka haɗe ba za su wuce 1% ba. |
Kayan Injiniya
Darasi A | Darasi B | Darasi C | ||||||
Ƙarfin ɗamara, min, psi(MPa) | 48000 (330) | 60000 (415) | 70000 (485) | |||||
Ƙarfin Haɓaka, min, psi(MPa) | 30000 (205) | 35000 (240) | 40000 (275) | |||||
Tsayi | Canza | Tsayi | Canza | Tsayi | Canza | |||
Tsawaita cikin inci 2 (50 mm), min, % Mahimmin ƙarancin gwajin tsiri mai tsayi na elongation, kuma ga duk ƙananan girman da aka gwada a cikin cikakken sashe | 35 | 25 | 30 | 16.5 | 30 | 16.5 | ||
Lokacin daidaitaccen zagaye 2-in. (50-mm) ana amfani da samfurin gwajin tsayin ma'auni | 28 | 20 | 22 | 12 | 20 | 12 | ||
Don gwajin tsiri mai tsayi | A | A | A | |||||
Don gwaje-gwajen tsiri mai jujjuyawa, ragi ga kowane 1/32-in. (0.8-mm) raguwa a kaurin bangon da ke ƙasa da 5/16 in. (7.9 mm) daga ƙaramin ƙaramar ƙaranci na kashi mai zuwa za a yi. | 1.25 | 1.00 | 1.00 | |||||
A mafi ƙarancin elongation a cikin inci 2. (50 mm) za a ƙayyade ta ma'auni mai zuwa: | ||||||||
e=625000A 0.2 / U 0.9 | ||||||||
don raka'a-laba, da | ||||||||
e=1940A 0.2 / U 0.9 | ||||||||
don raka'a SI, | ||||||||
inda: e = ƙaramar haɓakawa a cikin 2 in. (50 mm), %, zagaye zuwa mafi kusa 0.5%, A = yankin giciye na samfurin gwajin tashin hankali, a cikin.2 (mm2), dangane da ƙayyadaddun diamita na waje ko ƙayyadaddun ƙayyadaddun diamita na waje ko faɗin ƙirar ƙira da ƙayyadadden kauri na bango, zagaye zuwa mafi kusa 0.01 in.2 (1 mm2) . (Idan yankin da aka lissafta haka yana daidai da ko mafi girma fiye da 0.75 in.2 (500 mm2), to za a yi amfani da ƙimar 0.75 in.2 (500 mm2). U = ƙayyadadden ƙarfin ƙarfi, psi (MPa). |
Bukatar Gwaji
Baya ga tabbatar da abun da ke tattare da sinadarai da kaddarorin injina, ana yin gwaje-gwajen hydrostatic daya bayan daya, kuma ana yin gwaje-gwajen flaring da flattening. . Bugu da ƙari, akwai wasu buƙatu don ƙananan ƙwayoyin cuta, girman hatsi, da decarburization Layer na bututun ƙarfe da aka gama.
Ƙarfin Ƙarfafawa
Ikon samarwa: Ton 1000 a kowane wata kowane Grade na ASTM SA-106 Bututu Karfe
Marufi
A cikin daure da A cikin Akwatin katako mai ƙarfi
Bayarwa
7-14 kwanaki idan a stock, 30-45 kwanaki don samar
Biya
30% depsoit, 70% L/C ko B/L kwafin ko 100% L/C a gani