Nā ʻāpana kalaiwa kila, ka hoʻoheheʻe ʻana i ka make, nā ʻāpana hoʻopaʻa wela, ka hoʻoheheʻe ʻana no ka gear, shaft, tube, apo.

ʻO ke kaʻina hana o ka hana ʻana i ka Steel Forging Parts he ʻano kūikawā o ka hana metala e hoʻohana ana i ke kila ikaika kiʻekiʻe.Ke hoʻohana nei ke kaʻina hana i nā slugs bar lubricant, a laila koi ʻia i loko o kahi make paʻa ma lalo o ke kaomi.ʻO ke kila welaʻole ke kahe i keʻano i makemakeʻia.Nui nā ʻano hana forging.ʻO kekahi ʻano he extrusion i mua, kahi e kahe ai ka metala i kahi kuhikuhi e kū pono ana i ka ikaika hipa.ʻO ke ala ʻē aʻe, i kapa ʻia ʻo backward extrusion, hoʻohana ʻia e hoʻonui i ka lōʻihi a me ke anawaena.ʻO ka huhū, ma ka ʻaoʻao ʻē aʻe, pili ka metala e kahe ana ma nā ʻaoʻao ʻē aʻe i ka ikaika o ka hipa kāne, e hoʻohua ana i nā ʻāpana hakahaka a me ka hoʻonui ʻana i ke anawaena.

ʻO ka pōmaikaʻi nui o ka hoʻopaʻa ʻana, ʻo ia ka mālama ʻana o ka metala i kona ʻano palaoa a me ke kaulike.Eia kekahi, hoʻopau ka hana mua a me ka hana mua ʻana i nā mea haumia, i loaʻa maʻamau i nā ʻano hana metala ʻē aʻe.Mālama kēia i ka paʻa ʻole o nā metala.Kōkua pū ke kaʻina hana i ka hoʻomaikaʻi ʻana i ka ikaika a me ka lōʻihi o nā huahana forged.ʻO ka hope loa, ʻo nā ʻāpana hoʻoheheʻe kila ke ʻano o ka hana metala.

ʻO ka pōmaikaʻi nui o ka hoʻopaʻa ʻana i ke kila ʻoi aku ka lōʻihi.Hiki iā ia ke pale i nā wela kiʻekiʻe a me nā ukana ʻoi aku ka nui ma mua o nā ʻano metala ʻē aʻe.No ka mea he kaʻina hana pololei ia, hoʻomaikaʻi ia i ka pono holoʻokoʻa.Eia kekahi, ʻoi aku ka maikaʻi ma mua o nā ʻano hana ʻē aʻe e pili ana i ka ʻōpala.ʻAʻole like me ka hoʻoheheʻe ʻana i ke kila, ʻaʻole koi nā forgings i nā hana lua hou ma hope o ka hana ʻia ʻana.ʻO ka mea maʻamau, koi ʻia nā kaola kila a me nā papa i nā hana hou e wehe i nā ʻano like ʻole o ka ʻili.

ʻO ka pōmaikaʻi nui loa o nā mea hao kila ko lākou ikaika.He metala ʻoi aku ka paʻakikī ma mua o nā kaʻina hana kila ʻē aʻe.Hiki ke hoʻohana ʻia i nā pahi kaua, ʻaʻole pili kona ikaika i ka wai.ʻO kona ikaika i hoʻomaikaʻi ʻia e kūpono ia no nā mea kaua.He kūpono no ka ʻoki ʻana.He hana ia o ka hāmare a me ka hoʻoluʻu ʻana e hoʻoikaika a ʻoi aku ka paʻakikī o nā ʻāpana forged.He paʻakikī ke kaʻina hana forging.Pono ka hana ʻana i kahi ʻāpana metala i ka pololei a me ke akamai.