Babban matsa lamba maras sumul tube tukunyar jirgi bututu mai da gas bututu
High matsa lamba sumul bututu, High matsa lamba tukunyar jirgi tube ne wani irin tukunyar jirgi tube, nasa ne da category na sumul karfe tube.Hanyar masana'anta iri ɗaya ce da bututu maras kyau, amma akwai ƙaƙƙarfan buƙatu akan nau'in ƙarfe da ake amfani da shi don kera bututun ƙarfe.Ana amfani da bututu mai zafi mai zafi a cikin yanayin zafi mai zafi da yanayin matsa lamba, ana amfani da bututu mai zafi mai zafi don kera babban matsa lamba da ultra high matsa lamba tukunyar jirgi superheater tube, reheater tube, bututu, babban tururi bututu da sauransu.
Low da matsakaici matsa lamba tukunyar jirgi tube GB3087-2008, high matsa lamba tukunyar jirgi tube GB5310-2008 ana amfani da su kerar kowane irin tsarin low matsa lamba tukunyar jirgi superheated tururi tube, ruwan zãfi da kuma locomotive tukunyar jirgi tare da superheated tururi tube, babban hayaki tube, kananan hayaki tube. da baka bututu bututu high quality carbon tsarin karfe zafi birgima da sanyi kõma (birgima) sumul karfe tube.Sumul karfe bututu for tsarin (GB/T8162-2008) ana amfani da general tsarin da inji tsarin na sumul karfe bututu.
Bayani dalla-dalla da ingancin bayyanar: GB5310-2008 "Bututun ƙarfe mara nauyi don tukunyar jirgi mai ƙarfi" zafi mai birgima bututu diamita 22 ~ 530mm, kauri bango 20 ~ 70mm.Cold zana (sanyi birgima) tube diamita 10 ~ 108mm, bango kauri 2.0 ~ 13.0mm.
Bututun ƙarfe mara siffa na musamman shine kalmar gabaɗaya don bututun ƙarfe maras kyau tare da wasu sifofin giciye sai bututun madauwari.Dangane da nau'i daban-daban da girman sashin bututun ƙarfe, ana iya raba shi zuwa kauri daidai bango na musamman mai siffa mara nauyi (lambar D), kauri mara daidaituwa na bangon bututun ƙarfe na musamman mai siffa (lambar BD), m diamita na musamman- bututu mai siffa maras sumul (lambar BJ).Ana amfani da bututun ƙarfe mara siffa na musamman a cikin sassa daban-daban na tsarin, kayan aiki da sassan injina.Idan aka kwatanta da bututun zagaye, bututu mai siffa gabaɗaya yana da mafi girman lokacin inertia da modulus na sashe, yana da girman lankwasawa da juriya, na iya rage nauyin tsarin sosai, adana ƙarfe.
Babban Matsi Bututu maras kyau, Haɗin Sinadari
(1) GB3087-2008 "Bututun Karfe maras kyau don tukunyar jirgi mara nauyi da matsakaici".Hanyar gwajin abun da ke tattare da sinadarai bisa ga gb222-84 da GB223 "Hanyoyin Nazarin sinadarai na Karfe da Alloy" sashi mai dacewa.
(2)GB5310-2008 "Tsarin Tube maras kyau don tukunyar jirgi mai ƙarfi"Hanyar gwajin sinadarai bisa GB222-84 da "Hanyar Nazarin Sinadarai na Iron da Karfe da Alloy", GB223 "Hanya don nazarin sinadarai na Iron da Karfe da Alloy".
(3) Binciken abun da ke tattare da sinadarai na bututun ƙarfe na tukunyar jirgi da aka shigo da shi za a gudanar da shi bisa ga ƙa'idodin da suka dace a cikin kwangilar.
Haɗin Sinadari Babban Matsi mara ƙarfi Bututu, Matsayin Karfe
(1) High quality carbon tsarin karfe karfe 20G, 20MnG, 25MnG.
(2) Alloy tsarin karfe 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, da dai sauransu.
(3) Tsatsa zafi resistant karfe fiye amfani 1Cr18Ni9, 1Cr18Ni11Nb tukunyar jirgi bututu ban da tabbatar da sinadaran abun da ke ciki da kuma inji Properties, yi ruwa matsa lamba gwajin, don yin flaring, matsawa gwajin.Ana isar da bututun ƙarfe a yanayin maganin zafi.
Bugu da kari, da microstructure, hatsi size da kuma decarburization Layer na gama karfe shambura ana kuma bukata.
Bututu mara nauyi mai ƙarfi, Abubuwan Jiki Na
(1) GB3087-82 "Bututun ƙarfe mara nauyi don ƙananan tukunyar jirgi mai matsakaici da matsakaici" tanadi.Gwajin tensile bisa ga GB/T228-87, gwajin hydraulic bisa ga GB/T241-90, gwajin flattening bisa ga GB/T246-97, gwajin flaring bisa GB/T242-97, gwajin lankwasa sanyi bisa GB244-97.
(2) GB5310-95 "bututun ƙarfe mara nauyi don tukunyar jirgi mai ƙarfi" tanadi.Gwajin tashin hankali, gwajin matsa lamba na ruwa da gwajin faɗuwa iri ɗaya ne da gb3087-82;Gwajin tasiri bisa GB229-94, gwajin flaring bisa GB/T242-97, gwajin girman hatsi bisa ga YB/T5148-93;A cewar GB13298-91 don microstructure dubawa, GB224-87 for decarburization Layer dubawa da GB / T5777-96 ga ultrasonic dubawa.
(3) Binciken kaddarorin jiki da alamomi na bututun tukunyar jirgi da aka shigo da su za a gudanar da su bisa ga ka'idojin da suka dace a cikin kwangilar.
Bututu mara nauyi mai ƙarfi, Hanyoyin samarwa
High matsa lamba sumul bututu, Shin, wani irin sumul tube.Hanyar masana'anta iri ɗaya ce da bututu maras kyau, amma akwai ƙaƙƙarfan buƙatu akan nau'in ƙarfe da ake amfani da shi don kera bututun ƙarfe.Dangane da amfani da zafin jiki ne zuwa kashi biyu iri na janar tukunyar jirgi tube da high-matsi tukunyar jirgi tube.
① High matsa lamba sumul bututu, Lokacin da aiki zafin jiki ne a kasa 450 ℃, cikin gida bututu ne yafi Ya sanya daga no.10 da No.20 carbon bonded karfe zafi birgima bututu ko sanyi kõma bututu.
② High matsa lamba sumul bututu, Lokacin amfani, da bututu ne sau da yawa a karkashin high zafin jiki da kuma high matsa lamba.Karkashin aikin iskar gas mai zafi mai zafi da tururin ruwa, oxidation da lalata za su faru.Ana buƙatar bututun ƙarfe don samun ƙarfi mai ɗorewa, babban juriya na lalata oxidation da kwanciyar hankali mai kyau na microstructure.
| Daidaitawa | Karfe daraja | Abubuwan sinadaran (%) | |||||||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | AL | W | Nb | N | ||
| ASME SA106 | SA106B | 0.17 ~0.25 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | |||||||||
| SA106C | 0.23 ~0.27 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | ||||||||||
| ASME SA333 | SA333I | 0.09 ~0.12 | / | 0.7 ~1.0 | ≤0.02 | ≤0.01 | |||||||||
| SA333II | 0.09 ~0.12 | ≥0.1 | 0.9 ~ ku 1.1 | ≤0.02 | ≤0.01 | ||||||||||
| ASME A335 | Saukewa: SA335P11 | 0.05 ~0.15 | 0.5 ~1.0 | 0.3 ~0.6 | ≤0.03 | ≤0.03 | 1.0 ~1.5 | 0.5 ~1.0 | |||||||
| Saukewa: SA335P12 | 0.05 ~0.15 | ≤0.5 | 0.3 ~ ku 0.6 | ≤0.03 | ≤0.03 | 0.8 1.25 | 0.44 0.65 | ||||||||
| Saukewa: SA335P22 | 0.05 ~0.15 | ≤0.5 | 0.3 ~ ku 0.6 | ≤0.03 | ≤0.03 | 1.9 ~2.6 | 0.87 ~ 1.13 | ||||||||
| Saukewa: SA335P5 | ≤0.15 | ≤0.5 | 0.3 ~ ku 0.6 | ≤0.03 | ≤0.03 | 4.0 ~6.0 | 0.45 0.65 | ||||||||
| Saukewa: SA335P91 | 0.08 ~0.12 | 0.2 ~0.5 | 0.3 ~ ku 0.6 | ≤0.02 | ≤0.01 | 8.0 ~9.5 | 0.85 ~1.05 | ≤0.4 | 0.18 ~0.25 | ≤0.015 | 0.06 ~0.1 | 0.03 ~0.07 | |||
| Saukewa: SA335P92 | 0.07 ~0.13 | ≤0.5 | 0.3 ~ ku 0.6 | ≤0.02 | ≤0.01 | 8.5 ~9.5 | 0.3 ~ ku 0.6 | B0.001 0.006 | ≤0.4 | 0.15 ~0.25 | ≤0.015 | 1.5 ~2.0 | 0.04 ~0.09 | 0.03 ~0.07 | |
| DIN 17175 | ST45.8III | ≤0.21 | 0.1 ~0.35 | 0.4 ~1.2 | ≤0.04 | ≤0.04 | ≤0.3 | ||||||||
| 15Mo3 | 0.12 ~0.2 | 0.1 ~0.35 | 0.4 ~0.8 | ≤0.035 | ≤0.035 | 0.25 ~0.35 | |||||||||
| 13CrMo44 | 0.1 ~0.18 | 0.1 ~0.35 | 0.4 ~0.7 | ≤0.035 | ≤0.035 | 0.7 ~1.1 | 0.45 0.65 | ||||||||
| 10CrMo910 | 0.08 ~0.15 | ≤0.5 | 0.3 ~0.7 | ≤0.025 | ≤0.02 | 2.0 ~2.5 | 0.9 ~1.1 | ≤ 0.3 | ≤0.3 | ≤0.015 | 0.015 ~0.045 | ||||
| EN10216 -2 | WB36 | ≤0.17 | 0.25 ~0.5 | 0.8 ~1.2 | ≤0.025 | ≤0.02 | ≤0.3 | 0.25 ~0.5 | 0.5 ~0.8 | 1.0 ~ 1.3 | ≤0.015 | ||||
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