Ka hana hana hanaʻO nā pipes steel a punie pili maʻamau i nā hana i lalo:
1 ʻO nā mea kanu lole lole maʻamau i hoʻohanaʻia no nā pipes a puni i nā piptes i loko o ka austetetitic, ferritic, a me nā mea kanu pila.
2.ʻO ka hoʻomākaukau balota:ʻO nā mea kila kila i kohoʻia i kohoʻia ma keʻano o nā billets a paʻa paha cylindrical. Ua nānāʻia nā billets no ka maikaʻi a me nā hemahema ma mua o ka hana houʻana.
3.ʻO ka wela a me ka wela wela: Ua haʻiʻia nā bilima i nā papa kiʻekiʻe e hōʻemi i ko lākouʻano he nui a lōʻihi loa. " Ua kapaʻia kēia kaʻina hana wela a kōkua i keʻano o keʻano o ka kila i makemakeʻia i loko o nā kiʻi o ka pipe
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5 Ua hoʻonui houʻia ka pua a me ka neʻe e hōʻemi i konaʻano a me ka pā pōhaku, e hopena ana i kahi paipa seamless. ʻAʻohe mea e komo ai i kēia kaʻina hana.
POS manawa: Mei-31-2023