Dib u buuxinta nidaamka injineernimada, birta daawaha alaabtaA333 GR6, qeexitaanka waa 168.3 * 7.11, iyotubada birta kaarboon GB/T9948, 20#, qeexiddu waa 114.3*6.02, iwm.

Kuwa soo socdaa waxay soo bandhigayaan heerarka iyo agabyada ay la kulmi doonaan amarada injineernimada:

20 # GB8163 gaadiidka dareeraha ee tuubo bir ah oo aan xuduud lahayn

Waa maxay micneheedu waa walxo bir ah oo aan lahayn? Maaddadu sidoo kale waa darajada aynu inta badan nidhaahno, sida 20#, 45#, taas oo ka dhigan halabuurka kiimikaad iyo sifooyinka farsamada sida xoogga jilicsanaanta, awoodda wax-soosaarka, iyo heerka ballaarinta. Kuwa soo socdaa waa agabka birta ee sida caadiga ah loo isticmaalo, halbeegyada wax-soo-saarka iyo isticmaalka uu qoraagu soo koobay.

1.GB/T8162-2018, Qaab dhismeedka tuubooyinka birta ah, oo inta badan loo isticmaalo injineernimada guud ee dhismaha, farsamaynta farsamada, dhismaha iyo qaybaha kale. Agabka matalo: 20#, 45#,q345b, 40Cr, 42CrMo, iwm.;

2. GB/T8163-2018, tuubo bir ah oo aan fiicnayn oo loogu talagalay gaadiidka dareeraha, oo inta badan loo isticmaalo injineernimada dhuumaha oo leh cadaadis hoose. Walaxda matale: 20#, q345b;
45# GB8162 qaab-dhismeed bir ah oo aan kala go 'lahayn

3.GB/T3087-2017Kuleyliyaha cadaadiska hooseeya iyo midka dhexe ee tuubooyinka birta ah, inta badan loo isticmaalo in lagu soo saaro qaabab kala duwan oo ah tuubooyinka uumiga kulul, tuubooyinka biyaha karkaraya ee kuleyliyaha cadaadiska hooseeya iyo kuwa dhexdhexaadka ah, iyo tuubooyinka uumiga kulul iyo tubooyinka lebenka ee kululeeyayaasha. Agabka wakiillada: 10#, 20#, Q355B;
GB5310 tuubada kululeeyaha cadaadiska sare, walxaha 12Cr1MovG

4. GB/T5310-2017, Tuubooyinka birta ah ee aan kala go 'lahayn ee kuleyliyeyaasha cadaadiska sarreeya, inta badan loo isticmaalo kuleylka dusha sare ee kuleyliyeyaasha tuubada biyaha oo leh cadaadis sare iyo wixii ka sarreeya. Waxaa jira birta kaarboon, birta daawaha ah iyo birta aan lahayn tuubooyinka birta ah ee kulaylka u adkaysta. Agabka matalo: 20G, 15CrMoG, 12Cr1MoVG, iwm.;

5. GB/T6479-2018, Tuubooyinka birta ah ee cadaadiska sare leh ee qalabka bacriminta kiimikada, inta badan loo isticmaalo qalabka kiimikada iyo tuubooyinka leh heerkulka shaqada ee -40 ~ 400 ° C iyo cadaadiska shaqada ee 10 ~ 30Ma. Waxa jira bir qaabdhismeed kaarboon iyo bir daawaha ah oo tubooyinka birta ah aan si fiican u xidhnayn. Walaxda matale: q345a-bcde, 20#, 10mowvnb, 15CrMo;

6. GB/T9948-2013, Tuubooyinka birta ah ee aan xidhnayn ee dildilaaca batroolka, inta badan loo isticmaalo tuubooyinka foornada, kulaylka beddelayaasha iyo dhuumaha wershadaha batroolka. Walaxda matale: 10#, 20#, Q345, 15CrMo;