Ua māhele ʻia ke kila poepoe i ʻekolu ʻano: ʻōwili wela, hoʻopaʻa ʻia, a huki anu.ʻO nā kikoʻī o ke kila a puni wela he 5.5-250mm.Ma waena o lākou, 5.5-25mm liʻiliʻi poepoe kila i ka hapanui hoolako ia i loko o nā pūʻolo o ka pololei kaola, i hoʻohana pinepine 'ia e like me ka hoʻoikaika 'ana, bolts a me nā mea Machine mea;Ua hoʻohana nui ʻia ke kila pōʻai ma mua o 25mm no ka hana ʻana i ka mīkini ʻenekini, seamless steel tube billets, etc.Number: Q195, Q235, 10, 20, 35, 45, Q215, Q345, 12Cr1MoV, 15CrMo, 304, 316, 20Cr, 40Cr 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCR15, 65Mn, 50Mn, 50Cr, 3CrMo 2w8v, 20crmnti, 5crnnmmo