Testing Method of Casing Pipe Casing pipe is a high-end product for steel pipe production. There are many types of casing, and there are 15 kinds of casing diameter specifications. External diameter range is 114.3-508mm; steel types are J55, K55, N80, L-80, P-110, C-90, C-95, T-95, etc. 11 kinds; casing end buckle type and var ...
lvy lee - Permanent Steel Manufacturing Co.,Ltd
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