Ipayipi lensimbi elingenamthungo elingu-20G uhlobo oluvamile lwepayipi lensimbi elingenamthungo. Igama elithi "20G" egameni lalo limelela izinto zepayipi lensimbi, kanti elithi "elingenamthungo" limelela inqubo yokukhiqiza. Le nsimbi ivame ukwakhiwa ngensimbi yekhabhoni, insimbi ye-alloy, njll., futhi inezakhiwo ezinhle zomshini kanye nokushibilika. Izici eziyinhloko zepayipi lensimbi elingenamthungo elingu-20G ukumelana nokushisa okuphezulu, ukumelana nokugqwala, amandla aphezulu okucindezela, njll. Ngakho-ke, isetshenziswa kabanzi kuphethiloli, igesi yemvelo, imboni yamakhemikhali, amandla kagesi, ukwakhiwa kanye neminye imikhakha.

Izindinganiso zokusebenzisa:
1. Ipayipi lensimbi elingenamthungo lesakhiwo:GB8162-2018
2. Ipayipi lensimbi elingenamthungo lokudlulisa uketshezi: GB8163-2018
3. Ipayipi lensimbi elingenamthungo lebhoyila yepayipi lebhoyila elinomfutho ophansi nophakathi:GB3087-2018
4. Ipayipi elingenamthungo elinomfutho ophezulu webhoyila:GB5310-2018
5. Ipayipi lensimbi elingenamthungo elinomfutho ophezulu lemishini yomanyolo:GB6479-2018
6. Ipayipi lensimbi elingenamthungo lokuqhekeka kwephethiloli:GB9948-2018