Hiki ke hoʻokaʻawale ʻia ka paipu Alloy i loko o: paipu haʻahaʻa haʻahaʻa, paipu hoʻoheheʻe ʻia ʻana, paipu huila kiʻekiʻe, ʻohu ʻawaʻawa kūpaʻa wela, paipu huila wela kiʻekiʻe.

ʻO nā paipu kila no ka paipu, nā mea wela, ka ʻoihana mīkini, ka ʻaila, ka ʻeli ʻāina, ka ipu, ka ʻoihana kemika, nā pahu kila kūikawā, nā kumu ʻē aʻe.

Manufacturing kaʻina mea okoa, a maheleia i wela olokaa (extrusion) seamless kila paipu a me ke anu huki (owili) seamless kila paipu elua.

Hoʻokaʻawale ʻia nā paipu kila maʻemaʻe i ʻōwili ʻia i loko o nā paipu kila maʻamau, nā paipu haʻahaʻa haʻahaʻa a me waena, nā paipu paila kiʻekiʻe, nā paipu kila hoʻoheheʻe ʻia, nā paipu kila kuhili ʻole, nā paipu pohā ʻaila, nā paipu geological a me nā paipu kila ʻē aʻe.

ʻO ka paipu kila liʻiliʻi liʻiliʻi (dial) i hoʻohui ʻia i ka paipu kila maʻamau, haʻahaʻa haʻahaʻa a me ka medium pressure boiler steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe, other steel pipe, also includes carbon thin-walled steel pipe, alloy thin-walled steel pipe, stainless steel pipe, special-shaped steel pipe.The criteria include:GB/T8162-2008 (pahu kila maʻemaʻe no ka hale), GB/T8163-2008 (pahu kila maʻemaʻe no ka lawe ʻana i ka wai),GB3087-2008 (pahu kila maʻemaʻe no ka paila haʻahaʻa a me ka haʻahaʻa haʻahaʻa),GB5310-2008 (pahu kila maʻemaʻe no ka paila kiʻekiʻe), GB5312-2009 (pahu kila maʻemaʻe no ke kila kalapona a me ke kila manganese kalapona no nā moku),GB6479-2013 (pahu kila maʻemaʻe no nā mea hoʻomomona kiʻekiʻe), etc. Inā makemakeʻoe i kā mākou huahana, eʻoluʻolu e leka uila iā mākou ma ka leka uila.