OEM China ASTM A106 / API 5L / ASTM A53 sa b sumul karfe bututu ga mai da gas bututun
Dubawa
Kullum muna samun aikin ta hanyar kasancewa ƙwararrun ƙungiyar don tabbatar da cewa za mu iya ba ku mafi kyawun inganci kuma mafi inganci cikin sauƙi. Don ASTM A106/ API 5L / ASTM A53 grade B bututun ƙarfe maras nauyi don bututun mai da iskar gas, muna da ƙwarewar sama da shekaru 3 don samar da shi a yanayin aikace-aikacen daban-daban. Za mu ɗauki gamsuwar abokin ciniki a matsayin maxim, amfani da albarkatun mu don samar da abin da abokin cinikinmu yake buƙata a zahiri da iyakar ƙimar abokin cinikinmu.
Muna maraba da abokan ciniki na cikin gida da na ketare don ziyartar kamfaninmu da yin magana ta kasuwanci. Kamfaninmu koyaushe yana nacewa kan ka'idar "kyakkyawan inganci, farashi mai ma'ana, sabis na aji na farko". Mun kasance a shirye don gina dogon lokaci, abokantaka da haɗin kai tare da ku.
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