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.
GB/T9711-2011 L555Q/X80Q PSL2 LSAW pipeline is KUNFENG Steel hot selling products,L555Q X80Q PSL2 LSAW pipeline is mainly used in conveying water, gas, air, oil and heating hot water or steam, etc. it accept chemical composition, tensile properties, hydrostatic pressure, guide bending and other testing,its surface can be galvanized protection, it also has a good yield strength and tensile strength.
SACM645 steel round bar is widely used for manufacturing high fatigue strength, high abrasion resistance, the exact size after heat treatment, high strength and so on. The following is more informational about SACM645 steel round bar.
We can produce mantle for hydraulic cone crusher/breaker,symons cone crusher,HPC series cone crusher and other wear spare parts for other crusher and breakers exactly as your drawings and material composition requirements.
EN10083-3 27MnCrB5-2 alloy steel plate can be named EN10083-3 20MnB5 High Alloy Steel Plate,EN10083-3 20MnB5 High Alloy Steel Plates, EN10083-3 20MnB5 High Alloy Steel Sheets, EN10083-3 20MnB5 High Alloy Steel Sheet .