Classification of Oil Casing MaterialsThere are many types, the basic ones are ordinary carbon steel , J55, L80, N80, P110, etc .; then there are more special materials, such as 3Cr, 9Cr, 13Cr, 22Cr, etc., which are mainly carbon dioxide-resistant; and materials that prevent hydrogen sulfide , Such as 90SS, 95SS, etc. In addition, high ...
lvy lee - Permanent Steel Manufacturing Co.,Ltd
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