1, whakamātautau hanganga matū

1. E ai ki te hanganga matū me ngā āhuatanga hangarau o ngā paipa tuimotu o te whare, pērā i te 10, 15, 20, 25, 30, 35, 40, 45 me te 50, me tutuki te hanganga matū o te maitai ki ngā whakaritenga o GB/T699-88. Me tirotirohia ngā paipa tuimotu kawemai kia rite ki ngā paerewa e tika ana kua whakaritea i roto i te kirimana. Me tutuki te hanganga matū o te maitai 09MnV, 16Mn, 15MNV ki ngā whakaritenga o GB1591-79.

2. Tirohia te gb223-84 “Ngā Tikanga mō te Tātari Matū o te Rino me te Koranu” mō ngā tikanga tātari motuhake.

3. te tātari i te rerekētanga e ai ki te GB222-84 "tātari matū maitai me ngā tauira me te rerekētanga hanganga matū o te hua kua oti".

2, whakamātautau mahi tinana

1. E ai ki te mahi a te tuku paipa tuimotu ā-whare, me tutuki ngā āhuatanga hangarau o te maitai waro noa e ai ki te hanganga maitai akomanga A a GB/T700-88 (engari me whakarite kia kaua e neke ake te ihirangi whanariki i te 0.050% me te ihirangi whākawaka i te 0.045%), me tutuki i ngā āhuatanga hangarau te uara kua tohua i roto i te ripanga GB8162-87.

2. E ai ki te whakamātautau pēhanga wai, me whakarite te tuku paipa tui o te whare kia tutuki i te paerewa o te whakamātautau pēhanga wai.

3. Me whakahaere te tirotiro ā-tinana o ngā paipa tuitui kawemai kia rite ki ngā paerewa e tika ana kua whakaritea i roto i te kirimana.