ʻO nā paipu kila maʻemaʻe no nā paila haʻahaʻa a me waena (GB3087-2018) he kiʻekiʻe ka carbon structural steel hot-rolled a me ke anu (rolled) seamless steel tubes, i hoʻohana ʻia no ka hana ʻana i nā paipu mahu superheated, paila wai paipu no nā ʻano like ʻole o nā paila haʻahaʻa haʻahaʻa a me nā paipu mahu superheated, nā paipu uahi nui, nā paipu uwahi liʻiliʻi a me nā paipu pōhaku lepo no nā paila locomotive.

Pono e kū pololei nā wēlau o ka paipu kila i ke axis o ka paipu kila, a pono e wehe ʻia nā burrs.GB3087ʻO ka paipu kila maʻamau ka mea maʻamau i hana ʻia me 10, 20 ʻōwili wela a i ʻole ke anuanu ʻōwili kiʻekiʻe kiʻekiʻe carbon structural kila, maʻamau pono.kaomi waie, crimping, e lapalapa ana, palahalaha anaa me nā hoʻokolohua ʻē aʻe e hōʻoia i ka maikaʻi o ka huahana a me ka hana.