GB / T8162-2008 (Papa u'amea le lelei mo fausaga).Faʻaaogaina tele mo le fausaga lautele ma le fausaga faʻainisinia.O mea fa'atusa (fa'ailoga): sila carbon#20,# 45 uamea;u'amea uamea Q345B, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, ma isi Ina ia mautinoa le malosi ma le suʻega faʻamafola.

GB/T8163-2008 (paipa u'amea lamolemole mo le felauaiga vai).E masani ona faʻaaogaina i inisinia ma meafaigaluega tetele e felauaiga ai paipa vai.O mea fa'atusa (fa'ailoga) o le 20#, 45#.55# Q345 B ma isi.

GB3087-2008 (Papa u'amea lamolemole mo faumea maualalo ma feololo).E masani ona faʻaaogaina i fale gaosi oloa ma pusa fale e felauaiga paipa vai maualalo ma feololo.O mea e fai ma sui o le 10 ma le 20 sila.I le fa'aopoopoina o le fa'amautinoaina o le vaila'au ma mea fa'ainisinia, e tatau ona faia su'ega o le mamafa o le vai, crimping, mu, ma su'ega fa'amafola.

GB5310-2008 (Tu'u u'amea e leai ni fa'auiga mo mea fa'avela maualuga).E masani ona faʻaaogaina mo le maualuga o le vevela ma le maualuga o le faʻauluina o faʻauluulu vai ma paipa i luga o pusa i totonu o le eletise ma le malosi faaniukilia.O mea e fai ma sui o le 20G, 12Cr1MoVG, 15CrMoG, ma isi. I le faaopoopo atu i le faʻamautinoaina o le vailaʻau faʻainisinia ma mea faʻainisinia, e tatau ona faia se suʻega o le mamafa o le vai taʻitasi, faʻapea foʻi ma se suʻega mumu ma faʻamafola.O le paipa uʻamea e tuʻuina atu i se tulaga vevela.E le gata i lea, o loʻo i ai foʻi ni manaʻoga faapitoa mo le microstructure, saito tele, ma le decarburized layer o le paipa uamea maeʻa. 

GB5312-2009 (Carbon uamea ma carbon-manganese uamea seamless faagaau mo vaa).Fa'aaogaina mo le I ma le II o paipa fa'amalosi mo faufale ma fa'avevela.O mea e fai ma sui o 360, 410, 460 sila togi, ma isi.

GB6479-2013 (O paipa u'amea lamolemole mo mea faigaluega fa'ama'i maualuga).E masani ona faʻaaogaina mo le tuʻuina atu o le maualuga o le vevela ma le maualuga o le mamafa o paipa vai i luga o meafaigaluega faʻamaʻi.O mea e fai ma sui o le 20 #, 16Mn/Q345B, 12CrMo, 12Cr2Mo, ma isi.

GB9948-2013 (Papa u'amea le lelei mo le ta'e o le suauu).E masani ona faʻaaogaina i pusa, faʻafefe vevela ma paipa vai o suauʻu smelters.O mea e fai ma sui o le 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, ma isi.

GB18248-2008 (Tu'u u'amea lamolemole mo pusa kasa).E masani ona faʻaaogaina e fai ai kesi eseese ma faʻauʻu eletise.O ana mea fa'atusa e 37Mn, 34Mn2V, 35CrMo, ma isi.

GB/T17396-2009 (Hot-rolled seamless paipa uʻamea mo hydraulic props).E masani ona faʻaaogaina e fai ai koale mine hydraulic lagolago, cylinders ma koluma, ma isi cylinders hydraulic ma koluma.O ana mea faʻatusa e 20, 45, 27SiMn, ma isi.

GB3093-2002 (O paipa u'amea lamolemole maualuga-omiga mo afi tiso).Fa'aaogaina mo le maualuga o le paipa suauu o lo'o tu'iina afi afi tiso.O le paipa uʻamea e masani ona toso malulu, ma o lona faʻatusa mea e 20A.

 GB/T3639-2009 (malulu toso po'o le malulu ta'ai sa'o lelei paipa u'amea).E masani ona faʻaaogaina mo paipa uʻamea mo fausaga faʻainisinia ma mea faʻapipiʻi carbon e manaʻomia ai le saʻo maualuga ma le maeʻa lelei.O ana mea fa'atusa e 20, 45 sila, ma isi.

GB/T3094-2012 (fa'asolo mālūlū seamless paipa u'amea fa'apitoa-foliga uamea paipa).E masani ona faʻaaogaina e fai ai vaega faʻavae eseese ma vaega, ma o ana mea e maualuga le maualuga o le carbon structural steel ma le maualalo-alloy structural steel.