China cheap farashin China ASTM A106 Seamless Karfe bututu galvanized sumul Karfe tube Carbon Karfe bututu
Dubawa
Muna bin tsarin gudanarwa na "Quality shine mafi inganci, Kamfanin shine mafi girma, Rikodin Waƙa shine farkon", kuma da gaske za mu ƙirƙira da raba nasara tare da duk masu siye don Bututun Karfe. An san samfuranmu sosai kuma masu amfani sun amince da su kuma suna iya saduwa da ci gaba da haɓaka buƙatun tattalin arziki da zamantakewa. Our factory maida hankali ne akan wani yanki na 12,000 murabba'in mita, kuma yana da ma'aikata na 200 mutane, daga cikinsu akwai 5 fasaha executives. An ƙware mu wajen samarwa.Yanzu muna da wadataccen gogewa wajen fitar da kayayyaki zuwa waje. Barka da zuwa tuntube mu kuma za a iya amsa tambayar ku da wuri-wuri.
Kwatanta da daidai China Karfe Grade GB/T 8163 20#:
Abubuwan Sinadari(%):
C: 0.07 ~ 0.13
Si: 0.17 ~ 0.37
Mn: 0.35 ~ 0.65
p: <= 0.03
S: <=0.03
Shafin: 0.15
Ni: 0.3
ku: 0.2
Kayayyakin injina (Mpa):
Ƙarfin Ƙarfin Ƙarfi: 410 ~ 530
Ƙarfin Haɓaka: 245
Girma (%): 20
Dukansu babu buƙatar maganin zafi da gwajin tasiri, kuma A106 Gr.B ya kusan rufe 20 # a cikin sinadarai da kayan injin, don haka wannan ƙimar ƙarfe guda biyu galibi ta zama madadin juna.
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
Cikakken Bayani
Tubu mai tukunyar jirgi
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M) -2012
ASME SA-213/SA-213M
