Zafafan siyar da zafafan Gina Bututun Gine-ginen China Mai Zafin Gina Bututu Carbon Karfe
Dubawa
Tare da wannan taken a zuciya, we've samu become among really the most technologically innovative, cost-m, and price-competative manufacturers for Hot-Rolled Seamless Karfe Bututu, Barka da duk nice buyers sadarwa cikakken bayani na mafita da kuma ra'ayoyi tare da mu!! Muna kiyaye ƙoƙarce-ƙoƙarce na dogon lokaci da zargi kai, wanda ke taimaka mana da haɓaka koyaushe. Muna ƙoƙari don inganta ingantaccen abokin ciniki don adana farashi ga abokan ciniki. Muna yin iya ƙoƙarinmu don inganta ingancin samfur. Ba za mu yi rayuwa daidai da damar tarihi na zamanin ba.
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
