China Steel Boiler Pipe Supplier 4 Inch High quality seamless Carbon Steel Boiler Tube/pipe ASTM A179 STD. Standard: A179 ASTM A192 A210 Steel Grades: A179 A192 A210-A1 A210-C Size Range: OD:12.7mm TO 220mm. WT: 2.11mm To 25.4mm Manufacturing Process : Cold Drawn , Cold Rolled Application:Tubes are used in boiler ,heat exchanger ,and superheater Etc. Packing: External Black Painting ,Both Side With End Caps, In Bundles by Steel Strips,Covered by Waterproof.

Huaxi Pipeline Equipment can provide A105 Blind Flange DN20 RTJ CLASS 900 B16.5 With high quality. Type: Weld Neck, Ring Joint ,Slip On, Blind, Lap Joint, Standard: ASME B16.5 ASME B16.47 Material: A105 ……………… Manufacturing Method: Forged Pressure: Class150-Class2500 Surface: Oiled , Painted Third Party Inspection: SGS BV etc. Packing: By Wooden Case or Pallet Payment Term: At buyer’s option Please visit our website for more information: https://www.hxpipeline.com