Ko te ngongo mokamoka tapawhā āhua o te Mate F4040 he 40*40mm, ko te matotoru o te pakitara he 1.5mm me te 2mm. Ko te rahi o te mokamoka he 24*24mm, me te āwhina o te gasket EPDM, ka taea e te F4040 te whakauru ki te karāhe whakamaroke kua whakakikoruatia 6+6, 8+8 me te 10+10.
I ētahi wāhi, e hiahiatia ana te ngongo ringaringa hei hanganga ā-ringa mō te parepare karāhe, he mea tino nui te ngongo mokowā tapawhā F4040 mō ngā pūnaha parepare karāhe kore anga. Mō ngā momo taupee rerekē, pērā i te āhua U, te āhua L me te āhua I, ka whakaratohia e mātou ngā taputapu hononga ngongo ringaringa e tika ana hei tāuta, pērā i te hononga 90°, te flange e mau ana ki te pakitara me te taupoki pito.
Ko te ngongo tapawhā F4040 he mea hanga kia rite ki te paerewa ASTM A554, ko ngā momo kowiri tira ko AISI304, AISI304L, AISI316 me AISI316L. I roto i te paerewa DIN, ko ngā momo e rite ana ko 1.4301, 1.4307, 1.4401 me 1.4407. Ko te whakakanapa mata he paraihe satin me te whakaata. Ko te mea pai ake, ka taea e mātou te paninga tae PVD mō ngā ngongo ringaringa me ngā taputapu hononga, he rerekē ngā tae e wātea ana, ko ngā tae rongonui me te tūtohu ko te koura champagne, te koura rōhi, te titanium pango. Ko te parahi tawhito. Kei te wātea hoki ngā tae ritenga mā te whakarato tauira tae ki a mātou.
Mō ngā kaupapa o te tāone o uta, ka tūtohu mātou kia whakamahia te AISI304. He tino pai te mahi ārai-waikura me te whakakanapa mata. Mō ngā kaupapa o te tāone takutai me te taha takutai moana, he mea tino pai te AISI316, nā te mea ka roa ake te ora o te kakau ina tino kaha te mahi ārai-waikura.
Ka taea te whakamahi i te ngongo kōhao F4040 ki runga i te reera karāhe tika me te taiapa, pērā i te taupee me te marae noa. Haunga te whakamahinga o te reera karāhe tika, ka taea hoki te whakamahi i te ngongo kōhao F4040 ki runga i te reera karāhe piko. Mā te painga o tā mātou hangarau piko tika, ka taea e te radius piko te whakauru pai ki te karāhe piko. Ka taea te āhua piko te āhua C, te āhua S me ētahi atu āhua whakakotahi.
Ka tukuna atu hoki e mātou he ngongo mokowā konumohe me he kakau rakau, tēnā tirohia ā mātou whārangi tukutuku kē atu.