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Help CenterChina Factory Stock ASTM A106 Seamless Steel Pipe With MTC ISO CE Certificate Fast Delivery
Product Spotlights
High pressure resistance, suitable for high-pressure working conditions
Uniform wall thickness, high dimensional accuracy
Pure and free of interlayers, resistant to corrosion and leakage
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Product Overview
Seamless steel pipe is manufactured by solid steel billet piercing, hot rolling and cold drawing process, without any welding seam on the pipe body. Compared with welded steel pipe, seamless pipe features higher pressure resistance, better structural stability, uniform wall thickness and smooth inner and outer surface. It is widely used for high-pressure fluid transportation, boiler power plants, petroleum chemical industry, mechanical processing and structural engineering. All products comply with international standards and can pass third-party inspection.
Technical Specification Table
| Item | Specification |
|---|---|
| Product Type | Hot Rolled Seamless Pipe / Cold Drawn Precision Seamless Tube |
| Main Material | 20#, Q235B, ASTM A106 Gr.B, ASTM A53 Gr.B, API 5L X42-X70, A335 Alloy Steel |
| Executive Standard | GB/T8163, GB/T6479, ASTM A106, ASTM A53, API 5L, EN10216 |
| Schedule Standard | SCH20, SCH40, SCH80, SCH160, XXS Extra Heavy |
| Outer Diameter Range | Hot Rolled: 21mm–610mmCold Drawn: 6mm–114mm |
| Wall Thickness | 1.5mm–40mm |
| Standard Length | 6m / 12m; Custom length max 11.8m for 40HQ container |
| Surface Option | Black Bare / Hot Dipped Galvanized Zinc Coating |
| Optional Processing | Flat cut, chamfer, internal & external threading, anti-rust oil coating, plastic end caps |
| Zinc Coating Weight | Z80, Z120, Z180, Z275 g/m² double side |
| Test Items | Hydraulic pressure test, eddy current flaw detection, flatten test, tensile test |
| Certification | MTC Material Test Certificate, ISO9001, CE, BV/SGS third-party report |
Product Classification & Application Comparison
1. Hot Rolled Carbon Seamless Pipe (20# / A106 Gr.B)
Advantages: Low cost, large size coverage, high pressure resistanceMain Application:Prefab house fire fighting pipeline, workshop water supply pipe, construction structural support, municipal gas pipeline, low-pressure fluid transmission
2. Hot Dipped Galvanized Seamless Pipe
Advantages: Anti-rust, anti-corrosion, long service life outdoorMain Application:Coastal prefabricated villa water system, outdoor fire pipeline, greenhouse frame, seaside engineering project
3. Cold Drawn Precision Seamless Tube
Advantages: Smooth surface, tiny tolerance, uniform wallMain Application:Hydraulic cylinder tube, mechanical equipment shaft sleeve, auto spare parts, precision machinery manufacturing
4. API 5L Line Pipe
Advantages: High tensile strength, anti-pressure, anti-sulfurMain Application:Petroleum, natural gas long-distance transmission pipeline, oil field engineering
Application Scenarios
Prefabricated Building Supporting SystemTemporary labor camp fire pipeline, site office water supply & drainage, modular workshop fire protection pipe, container house water system
Industrial ConstructionFactory high-pressure fluid pipeline, workshop load-bearing support frame, boiler heat exchange tube
Energy & PetrochemicalOil, natural gas transmission pipeline, oil field well pipeline
Mechanical ManufacturingHydraulic cylinder honed tube, machinery parts, automobile manufacturing accessories
Municipal & AgriculturalGreenhouse support pipe, municipal water supply pipeline, outdoor fence frame
Packaging & Shipment
Bare seamless pipe: Bundled with steel strips, coated anti-rust oil, plastic caps at both ends
Galvanized seamless pipe: Wrapped plastic film + steel bundle, avoid zinc layer scratch
Custom package: Wooden pallets, woven bag, OEM private label printing
Loading Port: Qingdao, Tianjin, Shanghai, Ningbo
Lead Time: 7–15 working days after deposit
Mixed Loading: Can load together with color steel tile, sandwich panel, angle steel, welded pipe in one container
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