Keɓaɓɓen Samfuran Babban Matsi mara ƙarfi Bututu a cikin GB/T5310 -2017 Grade 20g 20mng 25mng 12cr1movg
Muna da kayan aikin zamani. Ana fitar da kayan mu zuwa Amurka, Burtaniya da sauransu, suna jin daɗin kyakkyawan matsayi tsakanin masu siye don samfuran keɓaɓɓen bututun ƙarfe mara ƙarfi a cikin GB/T5310 -2017 Grade 20g 20mng 25mng 12cr1movg, Tsarin mu na musamman yana kawar da gazawar bangaren da tayi. abokan cinikinmu ba su bambanta da inganci, suna ba mu damar sarrafa farashi, tsara iya aiki da kuma kiyaye daidaito akan isar da lokaci.
Muna da kayan aikin zamani. Ana fitar da kayan mu zuwa Amurka, Burtaniya da sauransu, suna jin daɗin matsayi mai kyau tsakanin masu amfani da suChina Karfe bututu 20g da Karfe bututu 20mng, Ta hanyar haɗa masana'antu tare da sassan kasuwancin waje, za mu iya gabatar da jimlar abokin ciniki mafita ta hanyar tabbatar da isar da kayayyaki masu dacewa zuwa wurin da ya dace a lokacin da ya dace, wanda ke da goyan bayan abubuwan da muke da shi, ƙarfin samar da ƙarfi, daidaiton inganci, samfurori daban-daban da kuma abubuwan da suka dace. kula da yanayin masana'antu da kuma balagarmu kafin da bayan sabis na tallace-tallace. Muna son raba ra'ayoyinmu tare da ku kuma muna maraba da sharhi da tambayoyinku.
Dubawa
Daidaito:GB/T5310-2017 | Alloy Ko Ba: Alloy |
Rukunin Daraja: 20G, 20MnG, 25MnG, da dai sauransu | Aikace-aikace: Boiler Pipe |
Kauri: 1-100 mm | Surface Jiyya: A matsayin abokin ciniki ta bukata |
Diamita na waje (Zagaye): 10 - 1200 mm | Fasaha: Hot Rolled |
Tsawon: Kafaffen tsayi ko tsayin bazuwar (6-12m) | Maganin zafi: Annealing / normalizing |
Siffar Sashe: Zagaye | Bututu na Musamman: Bututun tukunyar jirgi |
Wurin Asalin: China | Anfani: Boiler da Heat Exchanger |
Takaddun shaida: ISO9001:2008 | Gwaji: ECT/UT/Hydrau Static |
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
Daraja | inganci Class | Kayan Kimiyya | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als" | ||
Bai fi haka ba | min | |||||||||||||||
Q345 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.30 | 0.50 | 0.20 | 0.012 | 0.10 | - | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.07 | 0.15 | 0.20 | 0.015 | ||||||||||
D | 0.18 | 0.030 | 0.025 | |||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q390 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.3. | 0.50 | 0.20 | 0.015 | 0.10 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0,015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q42O | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.2. | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q46O | C | 0.20 | 0.60 | 1.80 | 0.030 | 0.030 | 0.11 | 0.20 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q500 | C | 0.18 | 0.60 | 1.80 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 0.60 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q550 | C | 0.18 | 0.60 | 2.00 | 0.025 | 0,020 | 0.11 | 0.20 | 0.20 | 0.80 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0,015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q62O | C | 0.18 | 0.60 | 2.00 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 1.00 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Ban da maki Q345A da Q345B, karfe ya kamata ya ƙunshi aƙalla ɗaya daga cikin ingantaccen abubuwan hatsi Al, Nb, V, da Ti. Dangane da buƙatun, mai siyarwa zai iya ƙara ɗaya ko fiye da abubuwan hatsi masu ladabi, matsakaicin ƙimar Ya kamata ya dace da buƙatun a cikin tebur. Lokacin da aka haɗa Nb + V + Ti <0.22% °Na Q345, Q390, Q420 da Q46O maki, Mo + Cr <0.30% fiye da 0.30%; lokacin da ake buƙatar ƙarawa, abun ciki ya kamata ya dace da abubuwan da ke cikin tebur ko kuma mai sayarwa da mai siye su ƙayyade ta hanyar shawarwari. ba za a yi ba. Idan an ƙara Al, Nb, V, Ti da sauran abubuwan haɗin gwal tare da ƙayyadaddun nitrogen a cikin ƙarfe, abun ciki na nitrogen bai iyakance ba. Ya kamata a ƙayyade abun ciki na gyaran nitrogen a cikin takardar shaidar inganci. Lokacin amfani da duk aluminum, jimlar aluminum abun ciki AIT ^ 0.020% B |
Kayan Injiniya
No | Daraja | Kayan Injiniya | ||||
|
| Tashin hankali | yawa | Tsawa | Tasiri (J) | Hannun hannu |
1 | 20G | 410- | ≥ | 24/22% | 40/27 | - |
2 | 20MnG | 415- | ≥ | 22/20% | 40/27 | - |
3 | 25MnG | 485- | ≥ | 20/18% | 40/27 | - |
4 | 15MoG | 450- | ≥ | 22/20% | 40/27 | - |
6 | 12CrMoG | 410- | ≥ | 21/19% | 40/27 | - |
7 | 15CrMoG | 440- | ≥ | 21/19% | 40/27 | - |
8 | 12Cr2MoG | 450- | ≥ | 22/20% | 40/27 | - |
9 | 12Cr1MoVG | 470- | ≥ | 21/19% | 40/27 | - |
10 | 12Cr2MoWVTiB | 540- | ≥ | 18/-% | 40/- | - |
11 | 10Cr9Mo1VNbN | ≥ | ≥ | 20/16% | 40/27 | ≤ |
12 | 10Cr9MoW2VNbBN | ≥ | ≥ | 20/16% | 40/27 | ≤ |
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
Nadi nadi | Hanyar samarwa | Girman bututu | Hakuri | |||
Matsayi na al'ada | Babban daraja | |||||
WH | Hot Rolled (extrude) bututu | Diamita na waje na al'ada (D) ba | <57 | 0.40 | ± 0,30 | |
57 ~ 325 | SW35 | ± 0.75% D | ± 0.5% D | |||
S>35 | ± 1% D | ± 0.75% D | ||||
> 325 ~ 6. | + 1% D ko + 5. Dauki ƙaramin 一2 | |||||
>600 | + 1% D ko + 7, Dauki ƙarami ɗaya 一2 | |||||
Kaurin bango na al'ada (S) | <4.0 | ±|・丨) | ± 0.35 | |||
> 4.0-20 | + 12.5% S | ± 10% S | ||||
>20 | DV219 | ± 10% S | ± 7.5% S | |||
心219 | + 12.5% S -10% S | 土10% S |
WH | Thermal fadada bututu | Diamita na waje na al'ada (D) | duka | ± 1% D | ± 0.75% |
Kaurin bango na al'ada (S) | duka | + 20% S -10% S | + 15% S -io%s | ||
WC | Zane mai sanyi (birgima) Ppipe | Diamita na waje na al'ada (D) | <25.4 | ±'L1j | - |
> 25.4 〜 4 () | ± 0.20 | ||||
> 40 ~ 50 | |: 0.25 | - | |||
> 50 ~ 60 | ± 0.30 | ||||
>60 | ± 0.5% D | ||||
Kaurin bango na al'ada (S) | <3.0 | ± 0.3 | ± 0.2 | ||
> 3.0 | S | ± 7.5% S |
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.
Nau'in Karfe
| Matsakaicin diamita na waje na bututun ƙarfe /% | ||
Diamita na Ciki/Bare Diamita | |||
<0.6 | 0.6 zuwa 0.8 | > 0.8 | |
High quality-carbon tsarin karfe | 10 | 12 | 17 |
Tsarin gami karfe | 8 | 10 | 15 |
• Ana ƙididdige diamita na ciki don samfurin. |
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
Muna da kayan aikin zamani. Ana fitar da kayan mu zuwa Amurka, Burtaniya da sauransu, suna jin daɗin kyakkyawan matsayi tsakanin masu siye don samfuran keɓaɓɓen bututun ƙarfe mara ƙarfi a cikin GB/T5310 -2017 Grade 20g 20mng 25mng 12cr1movg, Tsarin mu na musamman yana kawar da gazawar bangaren da tayi. abokan cinikinmu ba su bambanta da inganci, suna ba mu damar sarrafa farashi, tsara iya aiki da kuma kiyaye daidaito akan isar da lokaci.
Kayayyakin KeɓaɓɓuChina Karfe bututu 20g da Karfe bututu 20mng, Ta hanyar haɗa masana'antu tare da sassan kasuwancin waje, za mu iya gabatar da jimlar abokin ciniki mafita ta hanyar tabbatar da isar da kayayyaki masu dacewa zuwa wurin da ya dace a lokacin da ya dace, wanda ke da goyan bayan abubuwan da muke da shi, ƙarfin samar da ƙarfi, daidaiton inganci, samfurori daban-daban da kuma abubuwan da suka dace. kula da yanayin masana'antu da kuma balagarmu kafin da bayan sabis na tallace-tallace. Muna son raba ra'ayoyinmu tare da ku kuma muna maraba da sharhi da tambayoyinku.