He mea hoʻolako ʻoihana ʻo sanonpipe a he mea hana o nā papahana paipu kila humuhumu ma Kina. ʻO kāna mau huahana nuinā paipu paila, nā paipu ʻaila, nā paipu mīkini, nā paipu mea hoʻoulu a me nā kemika, a menā paipu kila humuhumu kūkuluʻO nā mea nui:SA106B, 20 g, Q345, 12 Cr1MoVG, 15 CrMoG, Cr5Mo, 1 Cr9Mo, 10 CrMo910,A335P5/ P9 / P11 / P12 / P22 / P91 / P92