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Steel Pipes

API 5L Seamless Steel Line Pipe

API 5L seamless steel line pipe is a high-strength, carbon steel pipe used to transport oil, gas, and water in pipeline systems.
Sizes: ranging from 1/2" to 26" diameter, available in PSL1 and PSL2 levels.
Grades: Cover a range from Grade A and B to high-yield strengths.
Production Method: Manufactured through hot-rolled or cold-drawn seamless processes, suitable for high-pressure applications.
Delivery Conditions: Includes as-rolled, normalized, quenched & tempered, or TMCP (Thermomechanical Controlled Processing).
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3PE Coated Steel Pipe

Pipe Types: Seamless, SSAW, LSAW, ERW Steel Pipe
Base Pipe Material: API 5L (B, X42, X52, X60, X65, X70, X80), ASTM A106/A53
Coating Standards: DIN 30670 and more
Size Range: 2" to 80" (DN50 - DN2000) or custom
Coating Thickness: 1.8mm to 4.7mm (Depending on pipe diameter & project requirements)
Operating Temp: -40°C to +80°C
End Finish:Bevelled Ends with PE-cutback (usually 100mm-150mm for welding)
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ASTM A106 Carbon Steel Pipe

Standard: ASTM A106 / ASME SA106
Available Grades: Grade B (Most Popular), Grade C (For higher strength)
Size Range: 1/8" to 48" (NPS 1/8 to NPS 48)
Wall Thickness: SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS (Custom up to 250mm)
Length: customed
End Finish: Beveled Ends (for welding), Plain Ends, Threaded & Coupled
Surface Treatment: Bare, Black Vanished, Anti-rust Oil, 3PE, FBE, Galvanized
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ASTM A53 Carbon Steel Pipe

Standard：ASTM A53 / ASME SA53
Types & Grades:Type E (ERW): Grade A & B
Type S (Seamless): Grade A & B
Type F (Furnace Welded): Grade A
Size Range: 1/8" to 26" (NPS 1/8 to NPS 26)
Wall Thickness: SCH 10, SCH 40, SCH 80, SCH 160, SCH STD, SCH XS, SCH XXS
Surface Finish: Hot-dip Galvanized (Most Common), Black Vanished, Bare, Zinc-Rich Primer
Ends: Plain Ends, Beveled Ends, Threaded & Coupled (T&C)
Testing: Hydrostatic Test, Flattening Test, Bend Test, NDT (for Type E & S)
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ASTM A333 steel pipe

Standard: ASTM A333 / ASME SA333
Available Grades: Grade 6 (Most Common), Grade 1, Grade 3, Grade 4, Grade 8, Grade 9
Size Range: 1/2" to 36" (NPS 1/2 to NPS 36)
Wall Thickness: SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS (Up to 100mm)
Minimum Service Temp: Grade 6: -45°C (-50°F); Grade 3: -100°C (-150°F)
Manufacturing Process: Seamless (SMLS) or Welded (ERW/LSAW)
End Preparation: Beveled Ends (BPE), Plain Ends (PE), Threaded & Coupled
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API 5L welded steel pipe

Standard: API Spec 5L
Product Specification Level: PSL1 (Standard Quality) & PSL2 (Advanced Requirements/Traceability)
Steel Grade: Grade B, X42, X46, X52, X56, X60, X65, X70, X80
Welding Process: ERW (Electric Resistance), LSAW (Longitudinal Submerged), SSAW (Spiral)
Size Range: 2" to 24" (ERW); 16" to 60" (LSAW); 8" to 120" (SSAW)
Wall Thickness: SCH 10 to SCH 160, XS, XXS (Up to 60mm for LSAW)
Coating Options: Bare, Black Paint, 3PE, FBE, Epoxy Lining, Galvanized
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ASTM A53 Gr B seamless pipe

Standard: ASTM A53 / ASME SA53
Grade:Grade B (Higher strength than Grade A)
Type: Type S (Seamless)
Size Range:1/8" to 26" (NPS 1/8 to NPS 26)
Wall Thickness:SCH 10, SCH 40, SCH 80, SCH 160, SCH STD, SCH XS, SCH XXS
Surface : Coating,Black Varnish, Anti-rust Oil, Hot-dip Galvanized, 3PE, FBE
End Finish: Beveled Ends (BPE), Plain Ends (PE), Threaded & Coupled (T&C)
Testing: 100% Hydrostatic Test, Flattening, Bend, NDT (Ultrasonic/Eddy Current)
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FBE Coated Steel Pipe

Coating Type:Single Layer FBE or Dual-Layer FBE (Aro)
Base Pipe Types: Seamless (SMLS), ERW, LSAW, SSAW
Standard Compliance: AWWA C213, API 5L, CAN/CSA Z245.20, AS 3862, ISO 21809-2
Size Range: 2" to 72" (DN50 - DN1800)
Coating Thickness: 300μm to 600μm (Customizable based on project)
Service Temperature: -30°C to +110°C
Base Pipe Material: ASTM A106, ASTM A53, API 5L (Gr.B to X80)
End Protection: Cutback (typically 50mm-150mm) with plastic caps
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3PE Coated Pipe

Inner Layer: FBE (Fusion Bonded Epoxy) – The foundation.
Middle Layer: Adhesive Layer – The bridge.
Outer Layer: PE (Polyethylene) – The armor.
Base Pipe Types: Seamless (SMLS), ERW, LSAW, SSAW
Base Pipe Material: API 5L (Gr.B to X80), ASTM A106/A53, ASTM A252
Size Range: 2" to 80" (DN50 - DN2000)
PE Layer Thickness: 1.8mm to 4.7mm (Customizable based on project depth)
Temperature Range: -40°C to +80°C
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Stainless Steel Pipe & Tubing

Material; 304/304L, 316/316L (Marine Grade), 321, 310S (High Temp), 347H, Duplex 2205/2507
Standard Compliance: ASTM A312, A213, A269, A511, EN 10216-5, DIN 17456/17458, JIS G3459
Types: Seamless (SMLS): Cold Drawn/Cold Rolled
Welded: ERW, EFW, Laser Welded
Surface Finish: Pickled & Annealed (Industrial), Bright Annealed (BA), Mirror Polished (800#), Satin/Brush Finish
Size Range : (OD)6mm to 630mm (1/4" to 24")
Wall Thickness: SCH 5S, 10S, 40S, 80S (Pipe); 0.5mm to 30mm (Tubing)
Ends: Plain Ends, Beveled Ends, Threaded, or Flanged
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Industry Stainless Steel Pipeline

Material Grades: 304/304L, 316/316L,904L, etc.
Manufacturing Standards: ASTM A312, ASTM A358 (Large Diameter), EN, DIN
Pipeline Types: Seamless (SMLS): For high-pressure critical flow
Welded (ERW/EFW/LSAW): For large-scale infrastructure
Size Range: 1/2" to 48" (DN15 - DN1200)
Wall Thickness: SCH 5S, 10S, 40S, 80S, 160, XXS
Surface Treatment: Pickled & Annealed (Default), Sand Blasted, Polished
End Preparation: Beveled Ends (for welding), Plain Ends, Flanged Ends
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A53 erw pipe

Standard： ASTM A53 / ASME SA53 Grade: Grade B (Most Common) & Grade A Size Range: 1/2" to 24" (NPS 1/2 to NPS 24) Wall Thickness:SCH 10, SCH 20, SCH 40 (STD), SCH 80 (XS) Surface Treatment: Black Varnish, Hot-dip Galvanized (Zinc-coated), Anti-rust Oil Ends Preparation: Beveled Ends (BPE), Plain Ends (PE). Weld Line Treatment:Heat-treated to eliminate the untempered Martensite Testing:Hydrostatic Test, Flattening Test, Bend Test, Ultrasonic/Eddy Current
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Lsaw Carbon Steel Pipe

Standard: API 5L (PSL1 & PSL2), ASTM, EN , GOST Grade:Gr.B to X80, ASTM A36, S235JR, S355JR/J0/J2 Outer Diameter:16" to 60" or customized Wall Thickness: 6.0mm – 60mm or customized Length: 6m to 12.5m or customized Welding Process: Double-sided Submerged Arc Welding (Automatic) Surface Treatment: Bare, Black Paint, 3PE, FBE, Epoxy Lining, Concrete Coating End Finish:Beveled Ends (BPE) or Plain Ends (PE)
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SSAW Carbon Steel Pipe

Standard: API 5L (PSL1/PSL2), ASTM A53, EN , GOST
Grade: Gr.1, Gr.2, Gr.3, Grade B to X80, S235JR, S355JR
Outer Diameter: 8" to 120" or customized
Wall Thickness: 5.0mm – 25.4mm or customized
Length: 6m to 18m (Custom lengths)
Welding Process: Double-sided Submerged Arc Welding (Automatic)
Coating Options: Bare, Bitumen, 3PE, FBE, Epoxy Lining, Cement Mortar Lining
End Finish: Beveled Ends, Plain Ends.
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Carbon Steel Pipe

Manufacturing Types:Seamless (SMLS), ERW, LSAW, SSAW steel pipes
Main Standards: API 5L, ASTM A106, ASTM A53, ASTM A333, ASTM A252, EN 10219
Material Grades: Gr.B to X80, S235JR, S355JR, A106B, A333 Gr.6
Size Range: 1/2" to 120" (DN15 – DN3000)
Wall Thickness: SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS (Up to 100mm)
Surface Treatment: Bare, Black Vanish, 3PE, FBE, Hot-dip Galvanized, Anti-rust Oil
End Options: Beveled, Plain, Threaded & Coupled, Flanged
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CRA Clad and Lined pipe

Bonding Types: Clad Pipe (Metallurgical Bond) | Lined Pipe (Mechanical Bond)
Material: API 5L (Gr.B to X80), ASTM A106, A333, A350
CRA Liner Material: Stainless Steel, Duplex,Nickel Alloy
Outer Diameter 2" to 48" (DN50 – DN1200) or customized
Wall Thickness: Base Pipe: 6mm–50mm; CRA Layer: 0.5mm–5mm
Bonding Process: Explosive Cladding, Hot Rolling (Clad); Hydraulic or Thermal Expansion (Lined)
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CRA clad pipe

Bonding Types: Clad Pipe (Metallurgical Bond) | Lined Pipe (Mechanical Bond)
Material: API 5L (Gr.B to X80), ASTM A106, A333, A350
CRA Liner Material: Stainless Steel, Duplex,Nickel Alloy
Outer Diameter 2" to 48" (DN50 – DN1200) or customized
Wall Thickness: Base Pipe: 6mm–50mm; CRA Layer: 0.5mm–5mm
Bonding Process: Explosive Cladding, Hot Rolling (Clad); Hydraulic or Thermal Expansion (Lined)
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Carbon Steel Welded Pipe

Manufacturing Types:Seamless (SMLS), ERW, LSAW, SSAW steel pipes
Main Standards: API 5L, ASTM A106, ASTM A53, ASTM A333, ASTM A252, EN 10219
Material Grades: Gr.B to X80, S235JR, S355JR, A106B, A333 Gr.6
Size Range: 1/2" to 120" (DN15 – DN3000)
Wall Thickness: SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS (Up to 100mm)
Surface Treatment: Bare, Black Vanish, 3PE, FBE, Hot-dip Galvanized, Anti-rust Oil
End Options: Beveled, Plain, Threaded & Coupled, Flanged
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A312 stainless steel pipe

Standard: ASTM A312 / ASME SA312
Manufacturing: Seamless (SMLS) | Welded (ERW/EFW) | Heavily Cold Worked (HCW)
Size Range: 1/8" to 30" (NPS 1/8 – NPS 30) or customized
Wall Thickness: SCH 5S, 10S, 40S, 80S, 160, XXS
Surface Finish: Pickled & Annealed (Default), Bright Annealed (BA), Sand Blasted
Ends: Plain Ends, Beveled Ends (for welding), Threaded Ends
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ASTM A53 welded steel pipe

Standard: ASTM A53 / ASME SA53 (Type E, Type F)
Grade: Grade B (Most Popular), Grade A
Manufacturing Process: Electric Resistance Welded (ERW)
Size Range 1/2" to 26" (NPS 1/2 – NPS 26)
Wall Thickness: SCH 10, SCH 40 (STD), SCH 80 (XS), SCH 160, SCH XXS
Surface Coating: Hot-dip Galvanized (Zinc-coated), Black Vanished, Bare, Anti-rust Oil
End Preparation: Beveled Ends (for welding), Plain Ends, Threaded & Coupled (T&C)
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Industry Carbon steel pipe

Manufacturing Types:Seamless (SMLS), ERW, LSAW, SSAW steel pipes
Main Standards: API 5L, ASTM A106, ASTM A53, ASTM A333, ASTM A252, EN 10219
Material Grades: Gr.B to X80, S235JR, S355JR, A106B, A333 Gr.6
Size Range: 1/2" to 120" (DN15 – DN3000)
Wall Thickness: SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS (Up to 100mm)
Surface Treatment: Bare, Black Vanish, 3PE, FBE, Hot-dip Galvanized, Anti-rust Oil
End Options: Beveled, Plain, Threaded & Coupled, Flanged
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