FORTSCHRITT
Produktübersicht
Our Carbon Steel Seamless Tube (also known as seamless steel pipe) is manufactured from high-quality carbon steel billets through hot rolling or cold drawing processes. With no welded seam, seamless tubes offer superior strength, pressure resistance, and reliability for high-pressure and high-temperature applications. We supply a comprehensive range of carbon steel seamless tubes in various grades, sizes, and specifications to meet your project requirements.
Spezifikationen
Stahlsorten: ASTM A106 Gr.B, A53 Gr.B, API 5L Gr.B, 20#, 45#, Q345B, 16Mn, ST37, ST52, 1020, 1045
Standard: ASTM A106, ASTM A53, API 5L, GB/T 8163, GB/T 3087, AUS 1626, IN 10210, JIS G3454
Außendurchmesser (AUS): 10.2 mm – 720 mm (1/2″ – 28″)
Wandstärke (WT): 1.5 mm – 60 mm (SCH 10 – SCH 160, XXS)
Länge: 5.8M, 6M, 11.8M, 12M, oder nach Kundenwunsch (SRL, DRL)
Surface Treatment: Schwarz (varnished/oiled), Verzinkt, 3PE/3PP Coated, FBE Coated, Painting
Ende fertig: Einfaches Ende, Abgeschrubes Ende, Threaded End (with coupling)
Toleranz: AUS: ±1%, WT: ±10 %, Länge: ±50mm
Verfahren: Warmgewalzt (Personalwesen), Kaltgezogen (CD), Kaltgewalzt (CR)
Hauptmerkmale & Vorteile
- Superior pressure resistance – no welded seam eliminates weak points
- Excellent mechanical properties – high tensile strength and toughness
- Wide size range – from small diameter precision tubes to large diameter pipes
- Customizable specifications – Noten, sizes, Längen, and coatings tailored to your needs
- Rigorous quality control – full traceability from raw material to finished product
- Kostengünstig – competitive pricing with bulk order discounts
- Fast delivery – large inventory for standard sizes, custom orders in 15-30 Tage
- Certified quality – ISO 9001, API Q1, CE, and third-party inspection available
Anwendungen
- Oil and gas transmission pipelines
- Petroleum refining and petrochemical plants
- Power plants – boiler tubes, superheater tubes
- Hydraulic and pneumatic systems
- Construction and structural applications
- Mechanical engineering and machinery manufacturing
- Automobil- und Transportkomponenten
- Water supply and sewage systems
- Wärmetauscher und Kondensatoren
- Mining and mineral processing equipment
Qualitätskontrolle & Testen
Every batch of our carbon steel seamless tubes undergoes strict quality control procedures:
Raw Material Inspection: Analyse der chemischen Zusammensetzung (Spektrometer), dimensional verification
Prozesskontrolle: In-line monitoring of rolling temperature, Wandstärke, and surface quality
Finished Product Testing: Hydrostatic pressure test, ultrasonic flaw detection (UT), eddy current testing (ET), Zugversuch, impact test, Härtetest, flattening test, flaring test
Oberflächeninspektion: Visual inspection for cracks, folds, scars, and other defects
Dokumentation: Mühlentestzertifikat (MTC) für EN 10204 3.1, material traceability records
Verpackung & Versand
Verpackung: Standard-Exportverpackung – bundles tied with steel strips, sechseckige Bündel, Holzpaletten oder Kisten, end caps for protection, waterproof wrapping
Markierung: Stahlsorte, Größe, Hitzezahl, Standard, Herstellerlogo (painted or stenciled)
Handelsbedingungen: FOB, CIF, CFR, EXW, DDP
Zahlung: T/T (30% Kaution, 70% vor dem Versand), L/C auf Sicht, Western Union, PayPal (Musterbestellungen)
Vorlaufzeit: Standardgrößen auf Lager – 3-7 Tage; Sondergrößen – 15-30 Tage
Mindestbestellmenge: 1 ton for standard sizes; Sonderanfertigungen verhandelbar
Ladehafen: Qingdao, Shanghai, Tianjin, oder wie gewünscht
Warum uns wählen
Mit über 15 years of experience in steel manufacturing and export, we are a trusted supplier of carbon steel seamless tubes to customers in more than 50 Länder. Our factory is equipped with advanced production lines and testing equipment, ensuring consistent quality and on-time delivery. We offer one-stop service from material selection to after-sales support, and our experienced engineering team can provide technical consultation and customized solutions for your specific applications. Kontaktieren Sie uns noch heute für ein wettbewerbsfähiges Angebot!
