Dubawa

Manufarmu yakamata ta kasance don haɓakawa da haɓaka babban inganci da sabis na kayan yau da kullun, a halin yanzu ana ƙirƙira sabbin samfura akai-akai don gamsar da bambance-bambancen kira na abokan ciniki don Sabis na Babban Zazzabi SMLS Karfe. Don ingantacciyar fannin faɗaɗa, muna gayyatar mutane masu kishi da kamfanoni da gaske don shiga a matsayin wakili. Tare da manufar "gasa tare da inganci mai kyau da haɓaka tare da kerawa" da ka'idar sabis na "ɗaukar da bukatar abokan ciniki a matsayin daidaitacce", za mu gabatar da samfuran da suka cancanta da sabis mai kyau ga abokan cinikin gida da na duniya.

P235GH ne Jamus babban zafin jiki tsarin karfe, lambar lambar ne 1.0345, da karfe maki na EN10028, ne carbon karfe kwantena farantin. Gabaɗaya yana amfani da murhun wutar lantarki da iskar iskar oxygen sama mai narkewa, ƙarfe tare da babban buƙatu mai tacewa a wajen tanderun, remelting electroslag ko sarrafa injin, murƙushe injin induction injin murɗawa ko narkewar injin mai ninki biyu, maganin zafi mai dacewa. Alloy kashi abun ciki ne quite high. Yana da kyawawan filastik da tauri, kayan lankwasa sanyi da aikin walda, wanda ya dace da kera jirgin ruwa mai ɗaukar ƙarfe na nukiliya, jirgin ruwa mai matsa lamba, abubuwan kayan aiki. China karfe sa Q245R za a iya amfani da su maye gurbin. Idan aka kwatanta da talakawa karfe yana da mafi girma ƙarfi da taurin, sanyi lankwasawa dukiya da waldi yi, jiki Properties, sinadaran Properties, biocompatibility da aiwatar yi.

Kayayyakin injiniyoyi, ƙarfin ƙarfi 350-480 MPa; Ƙarfin haɓaka ≥215 MPa; Tsawaitawa ≥ 25%; Rashin tasiri ≥47J; Brinell taurin ≤ 105-140 HB100/3000,

Sinadari (jari mai yawa,%): C≤0.16; Si≤0.35; Mn 0.60 ~ 1.20; P≤0.025; S≤0.010; Cr≤0.30; Ni≤0.30; Ku ≤0.30; Mo≤0.08; V≤0.02; Nb≤0.02; N≤0.012; Al≤0.020; ≤0.03.

Maganin zafi: zafi-jiyya zafin jiki 1100-850 ℃; Annealing zafin jiki ne 890 ~ ​​950 ℃; Matsakaicin zafin jiki 520-580 ℃.

Aikace-aikace

An yafi amfani da shi don yin high quality carbon tsarin karfe, gami tsarin karfe da bakin zafi-resistant karfe sumul karfe bututu ga high matsa lamba da kuma sama tururi tukunyar jirgi bututu.

Yafi amfani da high matsa lamba da kuma high zafin jiki sabis na tukunyar jirgi (Superheater tube, reheater tube, iska jagora tube, babban tururi tube ga high da matsananci high matsa lamba boilers). Karkashin aikin iskar gas mai zafi mai zafi da tururin ruwa, bututun zai oxidize kuma ya lalata. Ana buƙatar cewa bututun ƙarfe yana da tsayi mai tsayi, babban juriya ga oxidation da lalata, da kwanciyar hankali mai kyau.

Babban Daraja

Grade na high quality-carbon tsarin karfe: 20g, 20mng, 25mng

Grade na gami tsarin karfe: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, da dai sauransu

Grade na tsatsa-resistant zafi-resistant karfe: 1cr18ni9 1cr18ni11nb

Abubuwan Sinadari

Kayan Injiniya

Hakuri

Kaurin bango da Diamita na Waje:

Idan babu buƙatu na musamman, bututu zai zama isarwa azaman diamita na waje na al'ada da kaurin bango na al'ada. Kamar yadda takardar ta biyo baya

Tsawon:

A saba tsawon karfe bututu ne 4 000 mm ~ 12 000 mm. Bayan shawarwari tsakanin mai sayarwa da mai siye, da kuma cika kwangilar, ana iya isar da bututun ƙarfe tare da tsayi fiye da 12 000 mm ko ya fi guntu ni 000 mm amma ba ya fi guntu 3 000 mm; gajeren tsayi Yawan bututun ƙarfe da bai wuce 4,000 mm ba amma ƙasa da 3,000 mm ba zai wuce 5% na adadin bututun ƙarfe da aka kawo ba.

Nauyin bayarwa:
Lokacin da aka isar da bututun ƙarfe gwargwadon diamita na waje da kauri na bango mara kyau ko diamita na ciki da kauri maras tushe, ana isar da bututun ƙarfe gwargwadon nauyin na ainihi. Hakanan za'a iya isar da shi gwargwadon nauyin ma'auni.
Lokacin da aka isar da bututun ƙarfe gwargwadon diamita na waje da mafi ƙarancin kauri, ana isar da bututun ƙarfe gwargwadon nauyin gaske; bangarorin samar da bukatu suna tattaunawa. Kuma an nuna a cikin kwangilar. Hakanan za'a iya isar da bututun ƙarfe bisa ga nauyin ma'auni.

Haƙurin nauyi:
Dangane da buƙatun mai siye, bayan shawarwari tsakanin mai siye da mai siye, kuma a cikin kwangilar, ɓacin rai tsakanin ainihin nauyi da nauyin ma'auni na bututun ƙarfe na isar da bututu zai cika waɗannan buƙatu:
a) Bututun ƙarfe guda ɗaya: ± 10%;
b) Kowane tsari na bututun ƙarfe tare da ƙaramin girman 10 t: ± 7.5%.

Bukatar Gwaji

Gwajin Ruwa:

Yakamata a gwada bututun karfe ta hanyar ruwa daya bayan daya. Matsakaicin gwajin gwajin shine 20 MPa. A ƙarƙashin gwajin gwajin, lokacin tabbatarwa bai kamata ya zama ƙasa da 10 s ba, kuma bututun ƙarfe bai kamata ya zube ba.

Bayan mai amfani ya yarda, ana iya maye gurbin gwajin na'ura mai aiki da karfin ruwa ta gwajin eddy na yanzu ko gwajin kwararar ruwan maganadisu.

Gwajin mara lalacewa:

Bututun da ke buƙatar ƙarin dubawa ya kamata a bincikar ultrasonically daya bayan ɗaya. Bayan tattaunawar tana buƙatar izinin ƙungiyar kuma an ƙayyade a cikin kwangilar, ana iya ƙara wasu gwaje-gwaje marasa lalacewa.

Gwajin Lalacewa:

Tubes tare da diamita na waje fiye da 22 mm za a yi gwajin gwaji. Kada a ganuwa, fararen tabo, ko ƙazanta da ya kamata su faru yayin duk gwajin.

Gwajin Fitowa:

Dangane da bukatun mai siye kuma an bayyana a cikin kwangilar, bututun ƙarfe tare da diamita na waje ≤76mm da kauri bango ≤8mm ana iya yin gwajin flaring. Anyi gwajin a dakin da zafin jiki tare da taper na 60 °. Bayan flaring, ƙimar ƙimar diamita na waje ya kamata ya dace da buƙatun tebur mai zuwa, kuma kayan gwajin ba dole ba ne su nuna fashe ko rips.

Cikakken Bayani

Bututun Karfe Mara Sulki Don Tufafi Mai Matsi

GB/T5310-2017

ASME SA-106/SA-106M-2015

ASTMA210(A210M) -2012

ASME SA-213/SA-213M

ASTM A335/A335M-2018