Bearing Steel Tubes Cinquefoil Bearing Tubes low, Middle and High Pressure Boiler Tubes Stainless Seamless Steel & Carbon Tubes Cold Draw (Rolling) Stainless seamless Steel Tubes Cold Draw (Rolling) Carbon, Alloy Structure seamless Steel Tubes High Pressure Oil Tubes for Diesel Engine / Carbon Sucture capillary Seamless Steel Tubes for Oil Cracking/ High Pressure Steel Tubes for Pesticide Equipment Fine Inner Seamless Steel Tubes for Hydraulic and Air Cylinders Seamless Steel Tubes for Shipbuilding      Seamless Steel Tubes for Shipbuilding       Products Combinations        Technology Parameter   Combinations Types Standards Use external diameter:Φ10-65mmwall thickness: 1.5-8.0mm 320, 360, 410, 460, 490, 1Cr0.5Mo GB/T 5312 Pressure tubes, boiler, used for shipbuilding
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