Products

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  Buttweld Elbow

  Available Angles: 45°, 90°, 180° (Custom degrees available on request).
  Curvature Radius:
  Long Radius (LR): 1.5D (Smooth flow, reduced erosion).
  Short Radius (SR): 1.0D (Compact design for tight spaces).
  3D / 5D / 10D: For specialized pipeline projects. Manufacturing Standards: ASME B16.9 (Standard), MSS-SP-75, EN10253, DIN 2605.
  Size Range: 1/2" – 72" (DN15 – DN1800).
  Wall Thickness: SCH 10, SCH 40, STD, SCH 80, SCH 160, SCH XXS.
  Material Selection:
  Carbon Steel: ASTM A234 WPB, WPC; ST37.
  High-Yield: ASTM A860 WPHY 42/52/60/70.
  Stainless Steel: ASTM A403 WP304/L, WP316/L, WP321.
  Low-Temp: ASTM A420 WPL6.
  End Finish: Precision Beveled Ends (per ASME B16.25) for high-integrity welding.

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  ASME Steel Flange

  Standards: ASME B16.5 (up to 24"), ASME B16.47 Series A & B (26" to 60").
  Pressure Classes: Class 150, 300, 400, 600, 900, 1500, 2500.
  Available Types:
  WN (Weld Neck), SO (Slip-On), BL (Blind) SW (Socket Weld), TH (Threaded), LJ (Lap Joint).
  Face Types:
  Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ).
  Size Range: 1/2" – 60" (DN15 – DN1500).
  Material Selection:
  Carbon Steel: ASTM A105 (Standard), A350 LF2 (Low-temp).
  High-Yield: ASTM A694 F42, F52, F60, F65, F70.
  Stainless Steel: ASTM A182 F304/L, F316/L, F321.
  Alloy Steel: ASTM A182 F11, F22, F91.

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  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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  Buttweld Tee

  Types: Equal Tee and Reducing Tee
  Size Range: 1/2″ – 48″ / DN15 – DN1200 or customed
  Thickness Schedule: SCH 10 – SCH 160, XXS
  Standard: ANSI / ASME B16.9, MSS SP 43, JIS B2311/2312/2313, DIN2605/2615/2616/2617, EN10253
  Primary Material Grades:
  Carbon Steel: ASTM A234 WPB (Standard), WPC.
  Stainless Steel: ASTM A403 WP304/L, WP316/L, WP321.
  High-Yield: ASTM A860 WPHY 42/52/60/65/70 (For high-pressure lines).
  Low-Temp: ASTM A420 WPL6.
  End Finish: Standard Beveled Ends

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  ASTM Steel Flange

  Material Standards:Carbon Steel, Stainless Steel, Alloy Steel.
  Dimension Standards: ASME B16.5 (up to 24"), ASME B16.47 (up to 60"), MSS-SP-44.
  Pressure Ratings: Class 150, 300, 600, 900, 1500, 2500; PN6 to PN160.
  Types Available: Weld Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded (TH), Lap Joint (LJ).
  Facing Types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ).
  Size Range: 1/2" – 60" (DN15 – DN1500).

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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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  Buttweld Reducer

  Standard: ASME B16.9, DIN2615, JIS B2312, ASME B16.11
  Material: Carbon Steel ASTM A234 WPB,
  Alloy Steel ASTM A234 WP1, WP5, WP9, WP11, WP22
  Stainless Steel ASTM A403 304/316
  Types: Equal and Reducing
  Size Range: 1/2”x1/2”x1/4”-20”x20”x8”
  Wall thickness: Sch10, Sch40, Sch80
  Pressure Rations: 3000#, 6000#, 9000#
  Coating: Black Paint, Galvanized

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  GOST Flange

  Specialize in GOST Flange Manufacturer, GOST 12820 Flange Dimensions, GOST 12821 Standards.
  The GOST Standard Flanges are stainless steel flanges that can range from DIN15 to DIN1600.
  The GOST Flanges are used in offshore oil industries, oil fields, natural,etc.
  There are welding neck flanges, blind flanges, plate flanges, butt weld flanges, and so on.

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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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  Buttweld Bend

  Manufacturing standard: AISI B16.49, MSS-SP-75
  Material: Carbon steel, Alloy steel, Stainless steel
  Material standards: API 5L Grade B, ASTM A234 WPB, WPC, ASTM A403 304/304L, 316/316L or custom
  Outer Diameters: 1/2'' to 60''. DN15 to DN1500
  Radius range: R=2D, 1.5D, 3D bend, 5D bend, 6D, 8D bend
  Degree range: 45 degree, 60 degree, 90 degree, and customized.
  Wall thickness: SCH 10, SCH 40, SCH80
  Coatings: Black paint, galvanized, epoxy coated, 3PE, FBE

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  AWWA Standard Flanges

  Design Standards: AWWA C207 (Most common), AWWA C228 (Stainless Steel).
  Pressure Classes:
  Class B (86 psi) & Class D (150-175 psi) – Standard duty.
  Class E (275 psi) & Class F (300 psi) – Heavy duty.
  Available Types:
  Ring Flanges (Slip-on)
  Hub Flanges (For higher pressure stability)
  Blind Flanges (For pipeline termination).
  Size Range: 4" – 144" (DN100 – DN3600) | Specialists in Large Diameters.
  Material Selection:
  Carbon Steel: ASTM A36, A105, A181.
  Stainless Steel: ASTM A240/A182 Grade 304/L, 316/L.
  Facing: Flat Face (FF) as per AWWA standard requirements.

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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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  Buttweld Cap

  Material:
  Carbon steel pipe cap
  Stainless steel cap
  Alloy steel cap
  Butt Weld Cap Standard: ASTM A234, MSS SP-75, ASTM A403
  Manufacturing Standard: ASME B16.9, DIN2615, JIS B2312
  Size Range: 1/2”, 1”, 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16”, 20” to 48”. (DN15-DN1200)
  Thickness: SCH 10, SCH 40, SCH 80
  Surface Coatings: Black Painted, Varnished, Epoxy Coated, Galvanized
  For Socket Weld Cap (and Threaded Cap)
  Standard: ASTM A105, ASTM A182
  Manufacturing Standard: ASME B16.11
  Dimensions: 1/2”, 1”, 1/2”, 2” and up to 4”
  Pressure Ratings: 2000#, 3000#, 6000#, 9000#

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  Custom Steel Flange

  Types: Custom steel flanges meet ASME, DIN, JIS, GOST, and AWWA standards.
  Size Range: From small-bore precision flanges to ultra-large diameters up to 5000mm (200").
  Material Versatility:
  Carbon Steel: A105, Q235B, S235JR, A36.
  Stainless Steel: 304/L, 316/L, 321, 310S, 904L.
  Special Alloys: Duplex S31803/S32205, Inconel, Monel, Hastelloy.
  Pressure Ratings: From low-pressure vacuum flanges to Class 2500 / PN400 high-pressure ratings.
  Facing Options: Special grooves (O-ring), Tongue & Groove, Ring Type Joint (RTJ), or custom serrated finishes.
  Machining: High-precision CNC turning, drilling, and milling for tight tolerance control.

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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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  Large Diameter Buttweld Pipe Bending

  Outside Diameter (OD): 16" – 100" (DN400 – DN2500)
  Wall Thickness: SCH 10 to SCH XXS (up to 100mm on custom orders)
  Bending Radius: 1.5D (Long Radius), 3D, 5D, 7D, 10D, and custom radii
  Bending Angles: 15°, 30°, 45°, 60°, 90°, 180°, or customized specific angles
  Material Grades:
  Carbon Steel: ASTM A234 WPB, WPC; API 5L Gr.B to X80
  Low-Temperature Steel: ASTM A420 WPL6
  High-Yield/Alloy Steel: ASTM A860 WPHY 42/52/60/70 Stainless Steel: ASTM A403 WP304/L, WP316/L
  End Finish: Beveled Ends (per ASME B16.25) for seamless on-site welding

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  ANSI Pipe Flanges

  Governing Standards: ANSI B16.5 (up to 24"), ANSI B16.47 (26" to 60")
  Pressure Classes: 150, 300, 600, 900, 1500, 2500
  Size Range: 1/2" to 60"
  Facing Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)
  Manufacturing Method: Forged and CNC Machined
  Temperature Range: -29°C to 538°C (-20°F to 1000°F)
  Materials:Carbon Steel, Stainless Steel, Alloy Steel

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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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