Ukufakwa kwepayipi lensimbi elijwayelekile le-ASTM A234 kusetshenziswe kabanzi ezinhlelweni zamapayipi, kufaka phakathi insimbi ye-carbon steel ne-alloy steel material. Kuyini ukufakwa kwepayipi lensimbi? Ukufakwa kwepayipi lensimbi kwenziwa nge-carbon steel noma i-alloy steel pipe, amapuleti, amaphrofayli, ukuze kube nokuma okuthile okungenza umsebenzi (Ch...
Funda kabanzi