2020 High quality China GB5310-Seamless Karfe bututu tare da TPI Inspection IBR zuwa Indiya
IBR TPI dubawa don gami da bututu maras kyau da aikace-aikacen bututun tukunyar jirgi
Dole ne a yi IBR idan muka yi jigilar kaya zuwa Indiya a matsayin bututun tukunyar jirgi. Yawancin lokaci muna ba da TUV ko BV ta hanyar dubawa ta ɓangare na uku
Babban Abubuwan Dubawa:
1. Chemical Component
2.Mechanical Property
3. PMI
4. UT/ET
Yawancin lokaci muna buƙatar yanke samfurin daga bututu kuma muyi gwaji. Don haka farashi zai fi girma a cikin abubuwa biyu. daya shine samfurin, wani kuma shine kudin dubawa na TPI.
Dubawa
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" | ||
不大于 | 不小于 | |||||||||||||||
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 abubuwan da aka tace 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 da ake amfani da duk aluminum, jimlar abun ciki na aluminum 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/Mai Girma | |||
<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. |