Drill String Cross-over Sub uses AISI4145H chromium-molybdenum steel, execute API specification.We can produce the same-dia type, reducers type and L-type three types, the screw can be cold thread rolling, copper or phosphate treatment.
T9 forge round bar widely used in Large-scale locomotive, coal machine, KUNFENG can offer T9 forged and hot rolled round bar in carbon, alloy, stainless steel material.
CNC grinding involves the removal of small amounts of metal using a high-speed abrasive rotating wheel as the cutting tool. The grinding wheel remains stationary, while the workpiece is fastened to th
ISO 3183 L320/X46 PSL1 LSAW pipeline divides seamless steel pipe and welded steel pipe, good yield strength and tensile strength, ISO 3183 L320/X46 PSL1 LSAW pipeline widely used in natural gas pipe, tubing, water pipes, steel structure, chemical industry, air conditioning, heat pipe, urban construction pipe.