1, uvavanyo lokwakheka kweekhemikhali

1. ngokuhambelana nokubunjwa kweekhemikhali kunye neepropati zemishini yepayipi yasekhaya engenamthungo, efana ne-10, 15, 20, 25, 30, 35, 40, 45 kunye ne-50 i-chemical composition yentsimbi kufuneka ihambelane nemimiselo ye-GB / T699-88. imibhobho engenamthungo iya kuhlolwa ngokwemigangatho echaphazelekayo echazwe kwikhontrakthi.I-chemical composition of 09MnV, 16Mn, 15MNV steel kufuneka ihambelane nemimiselo ye-GB1591-79.

2. Bhekisela kwi-gb223-84 "Iindlela zokuHlalutya kweMichiza yeNsimbi kunye ne-Alloy" kwiindlela zokuhlalutya ezithile.

3. uhlalutyo lokutenxa ngokwe-GB222-84 "uhlalutyo lweekhemikhali zentsimbi kunye neesampuli kunye nemveliso egqityiweyo ukuphambuka kokwakheka kweekhemikhali".

2, uvavanyo lokusebenza ngokomzimba

1.ngokokusebenza kombhobho wasekhaya ongenamthungo, i-carbon steel eqhelekileyo ngokwe-GB / T700-88 iklasi yokuvelisa insimbi (kodwa kufuneka iqinisekise ukuba umxholo wesulfure awudluli i-0.050% kunye nomxholo we-phosphorus awudluli i-0.045%), iimpawu zayo zomatshini kufuneka zihlangabezane nexabiso elichazwe kwitheyibhile ye-GB8162-87.

2.ngokovavanyo loxinzelelo lwamanzi lombhobho wasekhaya ongenamthungo kufuneka uqinisekise umgangatho wovavanyo loxinzelelo lwamanzi.

3. Ukuhlolwa kokusebenza ngokomzimba kombhobho ongenamthungo ongeniswa kumazwe angaphandle kuya kwenziwa ngokwemigangatho efanelekileyo echazwe kwikhontrakthi.