ʻO ka paipu kila humuhumu 20G kahi ʻano maʻamau o ka paipu kila humuhumu. ʻO ka "20G" ma kona inoa e hōʻike ana i ka mea o ka paipu kila, a ʻo ka "humuhumu ʻole" e hōʻike ana i ke kaʻina hana. ʻO kēia kila i hana pinepine ʻia me ke kila kalapona, ke kila alloy, a pēlā aku, a he mau waiwai mechanical maikaʻi a me ka hiki ke hoʻopili ʻia. ʻO nā ʻano nui o ka paipu kila humuhumu 20G ʻo ia ke kūpaʻa wela kiʻekiʻe, ke kūpaʻa i ka pala, ka ikaika compressive kiʻekiʻe, a pēlā aku. No laila, hoʻohana nui ʻia ia i ka petroleum, ke kinoea kūlohelohe, ka ʻoihana kemika, ka mana uila, ke kūkulu ʻana a me nā ʻoihana ʻē aʻe.

Nā kūlana hoʻokō:
1. Paipu kila humuhumu no ka hoʻonohonoho ʻana:GB8162-2018
2. Paipu kila humuhumu no ka lawe ʻana i ke kahe: GB8163-2018
3. Paipu kila humuhumu no ka paila paipu paila haʻahaʻa a me ka waena:GB3087-2018
4. Paipu humuhumu kiʻekiʻe no ka paila:GB5310-2018
5. Paipu kila humuhumu kiʻekiʻe-kaomi no nā lako mea hoʻomomona:GB6479-2018
6. Paipu kila humuhumu no ka haki ʻaila:GB9948-2018