Before inquiring about pipe procurement, fully communicating and confirming 8 key parameters can improve quotation efficiency and accuracy and avoid rework in the later stage.

8 Key Parameters

  • 1. Pipe type: round pipe, square pipe, rectangular pipe, or special-shaped pipe

  • 2. Outer diameter / cross-section size: specific dimensions

  • 3. Wall thickness: common 1.5-5.0mm, determined according to load-bearing

  • 4. Material: Q235B, Q355B, etc.

  • 5. Length: fixed length (e.g. 6m) or random length

  • 6. Surface treatment: black material, hot-dip galvanized, painted, etc.

  • 7. Standard: GB/T 3091, GB/T 13793, GB/T 6725, etc.

  • 8. Quantity and delivery time: facilitate the manufacturer to arrange production and inventory

Procurement Suggestions

In addition, if there are special requirements for secondary processing (cutting, drilling, bending, etc.), packaging, and certificates of conformity, they should also be stated together to facilitate accurate quotation.