Fa'ata'ita'iga paipa fa'apitoa e leai se fa'aula
Fua paipa leai se meao se paipa faʻapitoa e maualuga le vevela ma uiga maualuga o le mamafa. E masani ona faʻaaogaina i masini faʻapipiʻi i le suauʻu, alamanuia vailaʻau, eletise eletise, malosiaga faaniukilia ma isi fanua. Pe a faatusatusa i paipa uelo, paipa seamless e maualuga atu le mamafa tetee ma sili atu corrosion tetee, ma e mafai ona tetee atu i le maualuga o le vevela ma le mamafa.

Fa'ata'ita'iga fa'alava fa'apitoa fa'apitoa e fa'avela masani
O lo'o mulimuli mai nisi fa'ata'ita'iga fa'aapa fa'apitoa fa'apitoa e leai ni fa'auala masani:

1. 20G paipa: O lenei paipa e maualalo le carbon steel ma e talafeagai mo mea faʻapipiʻi ma le vevela galue i lalo ole 450°C. 20G paipa e lelei weldability ma plasticity ma o loo faaaogaina lautele i suauu, alamanuia kemisi, malosiaga eletise ma isi alamanuia.

2. 12Cr1MoVG paipa: O lenei paipa e masani lava ona aofia ai elemene uʻamea e pei o le chromium, molybdenum ma le manganese, ma e maualuga le maualuga o le vevela ma le faʻamaʻiina. Talafeagai mo fauu supercritical ma faumea maualuga-omiga ma vevela faagaoioia o le 540°C ma lalo ifo.

3. 15CrMoG paipa: O lenei paipa e masani lava ona aofia ai elemene uʻamea e pei o le chromium, molybdenum ma manganese, ma e lelei le maualuga o le vevela ma le faʻamaʻiina. E fetaui lelei mo le faʻamamaina o le suauʻu, alamanuia vailaʻau, eletise eletise ma isi fanua o loʻo galue ai le vevela 540 ℃ ma lalo.

4. 12Cr2MoG paipa: O lenei paipa e masani lava ona aofia ai elemene uʻamea e pei o le chromium, molybdenum ma manganese, ma e maualuga le maualuga o le vevela ma le faʻamaʻiina. Talafeagai mo fauu supercritical ma faumea maualuga-omiga ma vevela faagaoioia o le 560°C ma lalo ifo.

Tulaga lelei o paipa faʻapitoa faʻapitoa mo boilers
O paipa faʻapitoa e leai ni faʻauʻu e iai mea lelei nei:

1. Lelei faʻamalosi faʻamalosi: O paipa faʻafefeteina e gaosia e ala i se faʻagasologa faʻapitoa ma sili atu le faʻamalosia o le mamafa ma mafai ona tatalia le maualuga maualuga.

2. Lelei le fa'afefeteina: O le puipui i totonu o le paipa fa'alelei e lamolemole, e le fa'afefeteina ma le pala, ma e mafai ona sili atu ona tetee atu i le pala.

3. Malosi o le vevela fetuutuunai: Boiler seamless tubes e mafai ona galue masani i siosiomaga vevela maualuga e aunoa ma deformation po o gau.

4. Olaga umi o le auaunaga: O le gaosiga o gaosiga ma mea lelei o paipa faʻaogaina e fuafua ai lo latou ola umi, lea e mafai ona faʻaitiitia ai le tele o mea e sui ai meafaigaluega.

Aotele
O paipa fa'apitoa e leai ni fa'aumu o se mea taua ma taua o mea fa'afugala'au ma e lelei le fa'atosina o le mamafa ma le pala. Pe a filifilia paipa paipa faʻafefe, e manaʻomia le filifilia o mea paipa talafeagai ma faʻataʻitaʻiga e faʻavae i luga o tulaga faigaluega moni ma manaʻoga e faʻamautinoa ai le faʻaogaina masani ma le saogalemu o meafaigaluega.

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