(1) Isingeniso sezinto zokwenziwa zensimbi ezingenamthungo:
GB / T8162-2008 (Ipayipi lensimbi elingenamthungo lokusebenzisa okuhlelekile). Isetshenziselwa ikakhulukazi izinhlaka ezijwayelekile kanye nezakhiwo zemishini. Izinto zayo ezimele (amamaki): I-Carbon Steel No. 20, Cha. 45 Insimbi; I-Alloy Steel Q345, 20CR, 40CR, 20CRMO, 30-35CRMO, 42CRMO, njll.
I-GB / T8163-1999 (Ipayipi lensimbi elingenamthungo lokuhambisa uketshezi). Isetshenziselwa ikakhulukazi ukudlulisa amapayipi e-fluid ku-Engineering kanye nemishini emikhulu. Izinto ezimele (amamaki) zingama-20, Q345, njll.
GB3087-2008 (ipayipi lensimbi elingenamthungo lama-boilers wengcindezi aphansi naphakathi). Isetshenziswa ikakhulukazi kumapayipi okudlulisela uketshezi oluphansi noluphakathi lwengcindezelo kuma-boili ezimboni naku-boilers ezifuywayo. Izinto ezimele zinguNombolo 10 no-Cha. 20 Insimbi.
GB / T17396-2009 (ipayipi lensimbi elishisiwe elishisayo le-seamless lensimbi lama-hydraulic props). Isetshenziselwa ikakhulukazi ukwenza izesekeli ze-hydraulic, amasilinda namakholomu ezimayini zamalahle, kanye namanye amasilinda e-hydraulic namakholomu. Izinto zayo ezimele zingama-20, 45, 27Simn, njll.
(2) Ukusetshenziswa kwamapayipi ensimbi angenamthungo: 1 4. Amapayipi alwa nama-anti-static wezitshalo zamandla omoya, njll.