(1) Nhungamidzo kune Seamless Steel Pipe Zvinyorwa:
GB / T8162-2008 (Seamless Steel pombi yekushandiswa kwechimiro). Inonyanya kushandiswa kune general zvivakwa uye michina yezvimiro. Zvinyorwa zvayo zvinomiririra (mamakisi): kabhoni simbi N-20, Nha. Alloy Steel Q345, 20cr, 40cr, 40crm, 30-35crm,: 42
GB / T8163-1999 (Seamless Steel pombi yekutakura mvura). Inonyanya kushandiswa kuendesa mapipi emvura mune engineering uye yakakura-midziyo. Mumiriri zvinhu (mamakisi) ari makumi maviri, Q345, nezvimwezvi
GB3087-2008 (Seamless Steel pombi yeakaderera uye yepakati kudzvinyirira boilers). Inonyanya kushandiswa muPombi yekuburitsa yakaderera uye yepakati kudzvinyirira mvura mumaindasitiri emabhaista uye epamba boilers. Zvigadzirwa zvemumiriri ndeve Nha. 10 uye Nha. 20 Simbi.
GB / T7396-2009 (inopisa-yakamanikidzwa seamless simbi pombi ye hydraulic props). Izvo zvinonyanya kushandiswa kugadzira hydraulic zvatsigiro, makwenzi uye makoramu mumigodhi emarasha, pamwe nedzimwe hydraulic cylinder uye makoramu. Zvigadzirwa zvayo zvinomiririra ndezve 20, 45, 27simn, nezvimwe.
. 4. Anti-static pombi yemigetsi yemhepo zvidyarwa, nezvimwe.