📂 Categoría 7304B2910

 
 
73
7304
7304 B
7304 B 29
 - - autres
7304 B 29 10
 - - - d'un diamètre extérieur n'excédant pas 168,3 mm
 - - - - autres

📖 Acerca de este código

These are seamless tubes and pipes made of steel, with a circular cross-section and an external diameter not exceeding 168.3 mm. They are specifically for applications where the carbon equivalent value is below 0.86, as determined by IIW standards, often used in specialized engineering and construction.

ARTICLES OF IRON OR STEEL > Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel > Other > Of an external diameter not exceeding 168,3|mm > Of circular cross-section and with a Carbon Equivalent Value (CEV) not exceeding 0,86 according to the International Institute of Welding (IIW) formula and chemical analysis

📦 Ejemplos de productos clasificados aquí

  • Tubo de acero sin soldadura < 168,3mm CEV
  • Tubo de acero al carbono circular
  • Tubo de precisión
  • Tubo para intercambiador de calor
  • Tubo para caldera
  • Tubo estructural de acero
  • Tubo para yacimientos petrolíferos
  • Tubo de alta presión
  • Tubería de acero
  • Tubo de acero aleado

🚫 NO clasificar aquí

  • × Cast iron pipes -> Chapter 73
  • × Welded steel tubes -> 7306
  • × Tubes with external diameter > 168.3 mm -> 7304.29.90
  • × Tubes of non-circular cross-section -> 7304.49
  • × Tubes with CEV > 0.86
  • × Stainless steel tubes (specific grades may differ)
  • × Tubes for specific applications like automotive (often classified elsewhere)

⚠️ Códigos a no confundir

Verifique: estos códigos cubren productos similares pero distintos.