(1) Isingeniso sezinto zamapayipi ensimbi angenamthungo:
I-GB/T8162-2008 (ipayipi lensimbi elingenamthungo lokusetshenziswa kwesakhiwo). Isetshenziselwa ikakhulukazi izakhiwo ezijwayelekile kanye nezakhiwo zemishini. Izinto zayo ezimele (amabanga): i-carbon steel No. 20, No. 45 steel; ingxubevange yensimbi Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, njll.
I-GB/T8163-1999 (ipayipi lensimbi elingenamthungo lokuthutha uketshezi). Isetshenziselwa kakhulu ukudlulisa amapayipi oketshezi kubunjiniyela kanye nemishini emikhulu. Izinto ezimele (amabanga) zingama-20, Q345, njll.
GB3087-2008 (ipayipi lensimbi elingenamthungo lama-boilers aphansi naphakathi). Isetshenziswa kakhulu kumapayipi okuhambisa uketshezi olunomfutho ophansi nophakathi kuma-boilers ezimboni kanye nama-boilers asekhaya. Izinto ezimele ziyi-No. 10 ne-No. 20 yensimbi.
I-GB/T17396-2009 (ipayipi lensimbi elingenamthungo eligoqwe elishisayo lamaprops asebenzisa amanzi). Isetshenziswa kakhulu ukwenza izisekelo zama-hydraulic, amasilinda namakholomu ezimayini zamalahle, kanye namanye amasilinda namakholomu angama-hydraulic. Izinto zayo ezimele ziyi-20, 45, 27SiMn, njll.
3 . Ezogesi: ukudluliswa kwegesi, amapayipi oketshezi okukhiqiza amandla amanzi. 4. Amapayipi e-anti-static wezitshalo zamandla omoya, njll.