According to API SPEC 5CT and API SPEC 5B. The max. Length of pipe for hydrostatic testing is up to14.63 meter.
Seamless Steel Casing Pipe:
We have four production lines for casing specially used for petroleum industry, with an annual capacity of 200, 000 tons. We adopt the most advanced threading machinery and numerical cotrol machining equipment. The test pressure of the hdrostatic testing machine is up to 70MPa.
OD (mm):
114.30 127.00 139.70 168.28 177.80 193.68
219.08 244.48 273.05 298.45 339.72 406.40
473.08 508.00