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Our GB/T3091 Q235 Hot Dip Galvanized Round ERW Welded Steel Tubes are specifically designed for use in oil and gas applications, as well as various construction projects. Manufactured with high-quality materials and processes, these steel tubes offer exceptional strength, durability, and corrosion resistance.

Specifications

• Nominal Diameter (DN): 1/2" - 14"
• Wall Thickness (WT): 0.6 mm - 12 mm
• Standard Lengths: Stock available in 6 m and 12 m
• Supply Ability: 6000 Tons per month

Material and Grades

• Steel Grades Available:
  • Q195: Grade B, SS330, SPHC, S185
  • Q215: Grade C, CS Type B, SS330, SPHC
  • Q235: Grade D, SS400, S235JR, S235JO, S235J2
  • Q345: SS500, ST52

Size and Thickness Options

• Schedule Options Available:
  • SCH 40, STD, XS, SCH 80, SCH 160, XXS, etc.

Zinc Coating

• Zinc Coating Methods:
  • Pre-galvanized: 50 - 120 g/m²
  • Hot Dip Galvanized: 200 - 400 g/m²

Standards Compliance

Our products meet the following international standards:

• ASTM A500, A53
• BS1387
• BS EN 10219, BS EN 10210
• GB/T 3091, GB/T 6728
• ISO 65-1981

Ends Configuration

• End Types:
  • Plain
  • Beveled
  • Threaded with coupling or cap

Surface Treatment Options

• Bared
• Black painted or varnish painting
• Galvanized
• Oiled
• 3 PE, FBE, and other corrosion-resistant coatings

Section Shapes

• Available in Round, Square, or Rectangular shapes to suit various applications.

Packaging Options

• For Big OD: Packaged in bulk
• For Small OD:
  • Packed with steel strips
  • Woven cloth with 7 slats
  • Plastic bags
  • Custom packaging as per customer requests

Applications

• Designed for low-pressure liquid delivery, including water, gas, and oil.
• Widely used in construction projects for structural support and scaffolding.

Logistics

• Loading Port: Shanghai, China
• Delivery Time: 7-30 days, or as per negotiation based on order specifics.

Our Hot Dip Galvanized Steel Tubes provide a reliable solution for your pipeline and construction needs. With high production capacity, quality materials, and adherence to international standards, we are well-equipped to meet your requirements. For further inquiries, specific pricing, or to place an order, please contact us today.