Large Diameter Hydropower Penstock API 5L carbon steel spiral Spiral Welded ssaw Steel Pipe price
Surface treatment of double-sided submerged arc welding pipe
External coating: Anti-corrosion black or Varnish painting, epoxy coal tar enamel, glass fiber
cloth , Insulation Coating 3PE, 3PP, FBE, Polyurethane and so on
Internal lining: Epoxy , cement motar, and according to customers requirement
Process flow
Milling - Pre-bending - Forming - Pre-welding - Internal welding - external welding - Ultrasonic inspection - X-ray inspection - Expanding - hydraulic test - chamfering - Ultrasonic inspection Ⅱ- X-ray inspection Ⅱ- magnetic particle inspection of tube end - corrosion protection and coating
Outside diameter : 21-4064mm
Wall tickness: 3.2-40mm
Material: API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70,ASTM A53 ASTM 139
Product Details
Large Diameter Hydropower Penstock API 5L carbon steel spiral Spiral Welded ssaw Steel Pipe price
Surface treatment of double-sided submerged arc welding pipe
External coating: Anti-corrosion black or Varnish painting, epoxy coal tar enamel, glass fiber
cloth , Insulation Coating 3PE, 3PP, FBE, Polyurethane and so on
Internal lining: Epoxy , cement motar, and according to customers requirement
Process flow
Milling - Pre-bending - Forming - Pre-welding - Internal welding - external welding - Ultrasonic inspection - X-ray inspection - Expanding - hydraulic test - chamfering - Ultrasonic inspection Ⅱ- X-ray inspection Ⅱ- magnetic particle inspection of tube end - corrosion protection and coating
Related Parameters
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Technical specifications |
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|
Type |
Spiral Weld Tube SSAW pipe |
|
Standard |
API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70,ASTM A53 ASTM 139 |
|
Outside diameter |
219-4064mm |
|
Wall Tickness |
3.0-40mm |
|
Length |
according to customer's requirements |
|
Surface |
black painting, anti-corrosion oil, galvanized or as per required by customer |
|
Packing |
Standard Seaworthy Packing |
|
Advantage |
Strong Corrosion Resistance and High hardness |
| Application | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other |
| Certificate | CE, ISO |
Product Details
