Large diameter seamless metal pipes
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Grade 16mn Q355b Q355D S355j2h Steel Pipe, Seamless Alloy Steel Tube, 12crmo 15CrMo 34CrMo4 Smls Pipe
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Manufacture Hot Cold Rolled Steel Seamless Machinery Steel Tube Pipe Hollow Bar 1020, 1045, 4140, 4130, 4340, 40cr, 5140, 40mn2, S235, S355 12crmo1V
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Heat-Exchanger Boiler PT2/360/620-460 BS3059/15crmog 12cr1movg Alloy Heat-Resistant Low Carbon Seamless Steel Tube
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Alloy Steel Seamless Steel Pipe for High Pressure Boiler in Grade 15crmog 15CrMo 12cr2mog 12cr1movg GB/T5310
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ASTM A36 A53 A106 LSAW SSAW Sawl ERW Large Diameter Sch 40 Alloy Steel Carbon Steel Spiral Welded Tube Pipe Building Material
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ASTM B407 B514 Incoloy 825 Nickel Alloy Steel Seamless Pipe for Oil and Gas