Hei rauemi rino tino hira, he mea nui hoki mō te hanganga o te ōhanga o te motu, he whānuitia te whakamahinga o ngā paipa rino kore hononga i roto i ngā mara pēnei i te hanganga, te tukatuka miihini, me te hangarau paipa (te kawe i ngā wai me ngā mea totoka pēnei i te wai, te hinu, te hau, te waro, me te mamaoa o te pūwero). Nā te rerekētanga o ngā taiao whakamahinga me ngā whakamahinga, me whiriwhiri tonu ngā rauemi me ngā paerewa e tika ana i te wā e whiriwhiri ana kia kore ai e moumou me ngā āhuatanga morearea.
20# GB8163 paipa maitai kore wai
He aha te tikanga o te rauemi paipa maitai tuimotu? Ko te rauemi te mea e kiia nei e tātou ko te tohu, pērā i te 20#, 45#, e tohu ana i tōna hanganga matū me ngā āhuatanga hangarau pērā i te kaha kume, te kaha tuku, me te tere whakawhānui. Ko ngā rauemi paipa maitai tuimotu e whakamahia whānuitia ana, ngā paerewa whakaputa me ngā whakamahinga i whakarāpopototia e te kaituhi.
1.GB/T8162-2018, Ngā paipa maitai hanganga kore hononga, e whakamahia ana i roto i te hangarau hanganga whānui, te tukatuka miihini, te hanga me ētahi atu mara. Ngā rauemi e tohu ana: 20#, 45#, q345b, 40Cr, 42CrMo, me ētahi atu;
2.GB/T8163-2018, paipa maitai kore hononga mō te kawe wai, e whakamahia ana i roto i ngā kaupapa paipa me te pēhanga iti. Rauemi e tohu ana: 20#, q345b;
Paipa maitai hanganga 45# GB8162
3.GB/T3087-2017, ngā paipa rino kore-ira mō ngā kohua pēhanga iti me te waenga, e whakamahia ana mō te hanga i ngā hanganga rerekē o ngā paipa mamaoa wera rawa, ngā paipa wai kohua mō ngā kohua pēhanga iti me te waenga, me ngā paipa mamaoa wera rawa me ngā paipa pereki āwhata mō ngā kohua tereina. Ngā rauemi e tohu ana: 10#, 20#, Q355B;
GB5310ngongo poihau pēhanga teitei, rauemi 12Cr1MovG
4.GB/T5310-2017, Ngā paipa maitai kore hononga mō ngā kohua pēhanga teitei, e whakamahia ana mō te hanga i ngā mata whakamahana o ngā kohua ngongo wai mō ngā pēhanga teitei me runga ake. Kei reira te maitai waro, te maitai koranu me te maitai kore hononga ātete wera kowiri tira. Ngā rauemi e tohu ana: 20G, 15CrMoG, 12Cr1MoVG, me ētahi atu;
5.GB/T6479-2018, ngā paipa maitai kore-pēhanga teitei mō ngā taputapu tongi, e whakamahia ana mō ngā taputapu matū me ngā paipa me ngā pāmahana mahi o -40~400℃ me ngā pēhanga mahi o 10~30Ma. Kei reira ngā paipa maitai kore-pēhanga waro me ngā paipa maitai kore-pēhanga koranu. Ngā rauemi e tohu ana: q345a-bcde, 20#, 10mowvnb, 15CrMo;
6.GB/T9948-2013, ngā paipa rino kore hononga mō te pakaru hinu, e whakamahia ana mō ngā ngongo oumu, ngā whakawhiti wera me ngā paipa i roto i ngā whare hanga hinu. Ngā rauemi e tohu ana: 10#, 20#, Q345, 15CrMo;
Wā tuku: Hanuere-04-2024
