1, mankhwala zikuchokera mayeso

1.Malinga ndi mankhwala zikuchokera ndi katundu makina zoweta chitoliro chosasokonekera, monga 10, 15, 20, 25, 30, 35, 40, 45 ndi 50 zitsulo mankhwala zikuchokera ayenera kutsatira mfundo za GB/T699-88. mapaipi opanda msoko adzawunikidwa molingana ndi miyezo yoyenera yotchulidwa mu mgwirizano.Makhemikhali a 09MnV, 16Mn, 15MNV zitsulo ayenera kutsatira zomwe GB1591-79 ikupereka.

2. Onani gb223-84 "Njira Zowunikira Mankhwala a Zitsulo ndi Aloyi" kuti mudziwe njira zowunikira.

3. kusanthula kwapatuka molingana ndi GB222-84 "kusanthula kwachitsulo kwachitsulo ndi zitsanzo ndi kutha kwapang'onopang'ono kwa mankhwala opangidwa ndi mankhwala".

2, mayeso ntchito thupi

1.Malinga ndi ntchito ya zoweta zoweta chitoliro kotunga, wamba mpweya zitsulo malinga GB/T700-88 kalasi A kupanga zitsulo (koma ayenera kuonetsetsa kuti sulfure okhutira si upambana 0.050% ndi phosphorous okhutira si upambana 0.045%), makina ake amakina ayenera kukwaniritsa mtengo womwe wafotokozedwa mu tebulo la GB8162-87.

2.Malinga ndi kuyesedwa kwa madzi kuthamanga kwa chitoliro chapakhomo chopanda msoko ayenera kuwonetsetsa muyeso wa mayeso a kuthamanga kwa madzi.

3. Kuwunika kwa thupi kwa chitoliro chosasunthika chotumizidwa kunja kudzachitidwa molingana ndi miyezo yoyenera yomwe ili mu mgwirizano.