Indlela yokubonisa izinga lensimbi yokushisela: Insimbi yokushisela ihlanganisa i-carbon steel yokushisela, i-alloy steel yokushisela, insimbi engagqwali yokushisela, njll. Indlela yokubonisa izinga iwukwengeza uphawu oluthi “H” ekhanda lohlobo ngalunye. welding steel grade. Isibonelo H08, H08Mn2Si, H1...
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