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Hydraulic Cylinder Barrel Blank Seamless Steel Tube, Pre‑Honing Tube
Hydraulic cylinder barrel blank seamless steel tube is raw material for manufacturing hydraulic and pneumatic cylinder barrels. It is NOT finished honed cylinder tube. Machining allowance is reserved for inner bore, further boring and honing processes are required to get final cylinder barrel.
Large Diameter Seamless Steel Pipe | Hot Rolled & Hot Expanded Carbon Steel Tube
Large diameter seamless steel pipe is solid‑billet manufactured pipe without welding seam. Available in hot‑rolled and hot‑expanded processes for carbon steel, alloy & stainless steel. Widely used for fluid transportation, petrochemical, power and structural engineering. MTC / MTR certification provided upon request. Custom sizes, end finishing and anti‑corrosion treatment are available.
Thin-wall steel tube
Process: Cold drawing and cold rolling, bright annealing
Surface: The outer wall is shiny without peeling
Ra：≤1.6‑3.2μm
Material: Common 20 #, 45 # Q355B
Specification: Outer diameter 8-114mm, wall thickness 0.5-6mm customizable
Precision steel pipes for mechanical parts
Process: Cold drawing and cold rolling, bright annealing
Surface: Smooth and burr free oxide skin
Ra：≤0.8‑3.2μm
Material: Common 20 #, 45 #, 40Cr, Q355B
Specification: Outer diameter 6-180mm, wall thickness 1-18mm customizable
Fluid‑service seamless steel tubes
Fluid‑service seamless steel tubes are pressure‑bearing seamless steel tubes designed for conveying media such as water, oil, gas and steam. Primarily applied for pressure piping, these tubes are subject to mandatory hydrostatic testing on every single piece per GB/T8163‑2018 to prevent pressure‑induced pipeline leakage.
Seamless steel pipes for ships
Process: Hot rolling and cold drawing, normalizing and tempering
Surface: Clean inner wall, no cracks or burrs
Ra：≤3.2‑6.3μm
Material: Commonly used Q325-A, Q355C, GPC1
Specification: Outer diameter 14-457mm, wall thickness 2-45mm customizable
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