PROGRESO
Descripción general del producto
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.
Presupuesto
Grados de acero: ASTM A106 Gr.B, A53 Gr.B, API 5L Gr.B, 20#, 45#, Q345B, 16Minnesota, ST37, ST52, 1020, 1045
Estándar: ASTM A106, ASTM A53, API 5L, GB/T 8163, GB/T 3087, DE 1626, EN 10210, JIS G3454
Outer Diameter (DE): 10.2 milímetros – 720 milímetros (1/2″ – 28″)
Espesor de pared (WT): 1.5 milímetros – 60 milímetros (SCH 10 – SCH 160, XXS)
Longitud: 5.8metro, 6metro, 11.8metro, 12metro, o según petición del cliente (srl, DRL)
Surface Treatment: Negro (varnished/oiled), Galvanizado, 3PE/3PP Coated, FBE Coated, Painting
End Finish: Extremo liso, Extremo biselado, Threaded End (with coupling)
Tolerancia: DE: ±1%, WT: ±10%, Longitud: ±50mm
Proceso: Laminado en Caliente (HORA), Estirado en frío (CD), Laminado en frío (CR)
Características clave & Ventajas
- 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 – calificaciones, sizes, lengths, and coatings tailored to your needs
- Rigorous quality control – full traceability from raw material to finished product
- Cost-effective – competitive pricing with bulk order discounts
- Fast delivery – large inventory for standard sizes, custom orders in 15-30 días
- Certified quality – YO ASI 9001, API Q1, CE, and third-party inspection available
Aplicaciones
- 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
- Componentes de automoción y transporte.
- Water supply and sewage systems
- Intercambiadores de calor y condensadores.
- Mining and mineral processing equipment
Control de calidad & Pruebas
Every batch of our carbon steel seamless tubes undergoes strict quality control procedures:
Raw Material Inspection: Análisis de composición química. (espectrómetro), dimensional verification
Control de procesos: In-line monitoring of rolling temperature, espesor de pared, and surface quality
Finished Product Testing: Hydrostatic pressure test, ultrasonic flaw detection (UT), eddy current testing (ET), prueba de tracción, impact test, prueba de dureza, flattening test, flaring test
Surface Inspection: Visual inspection for cracks, folds, scars, and other defects
Documentación: Certificado de prueba de molino (MTC) por EN 10204 3.1, material traceability records
embalaje & Envío
embalaje: Embalaje estándar de exportación – bundles tied with steel strips, haces hexagonales, paletas o cajas de madera, end caps for protection, waterproof wrapping
Calificación: Grado de acero, tamaño, número de calor, estándar, logotipo del fabricante (painted or stenciled)
Términos comerciales: ENGAÑAR, CIF, CFR, EXW, DDP
Pago: T/T (30% depósito, 70% antes del envío), L/C a la vista, Western Union, Paypal (pedidos de muestra)
Tiempo de entrega: Tamaños estándar en stock – 3-7 días; Tamaños personalizados – 15-30 días
Cantidad mínima de pedido: 1 ton for standard sizes; pedidos personalizados negociables
Puerto de carga: Qingdao, Llevar a la fuerza, Tianjín, o según lo solicitado
Por qué elegirnos
With over 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 países. 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. Contáctenos hoy para una cotización competitiva!
