DN600 Spiral Welded Steel Pipe

• Actual outer diameter of DN600 spiral steel pipe:

The outer diameter of A series is 610mm

B series outer diameter is 630mm

• Commonly used fixed lengths:

6 meters/support

12 meters/support

Customized processing of irregular lengths

• Common wall thickness range: 6mm~16mm

Commonly used materials:

Q235B, Q355, L245, L290 and other materials

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Implementation standards:

  SYT5037-2018 "Submerged arc welded steel pipes for general fluid transportation pipelines"

  GBT3091-2015 "Welded steel pipes for low-pressure fluid transportation"

  GBT9711-2017 "Steel pipes for pipeline transportation systems in the oil and gas industry"

• GBT3091 national standard φ630 spiral steel pipe meter weight data:

  φ630*6, meter weight is about 84.7 kg

  φ630*7, meter weight is about 99.9 kg

  φ630*8, the weight per meter is about 115.1 kg

  φ630*9, meter weight is about 130.3 kg

  φ630*10, meter weight is about 145.4 kg

  φ630*11, meter weight is about 160.4 kg

  φ630*12, meter weight is about 175.4 kg

  φ630*13, meter weight is about 190.4 kg

  φ630*14, meter weight is about 205,3 kg

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Usage: drinking water transportation, sewage treatment, ventilation, pipe piles, crossing wiring, etc.

• Commonly used anti-corrosion processes:

  Epoxy resin coating inside and outside

  External PE and internal epoxy resin coating for anti-corrosion

  3PE exterior, epoxy coating and anti-corrosion interior

  Cement mortar lining anti-corrosion

  IPN8710 epoxy coating anti-corrosion

  Epoxy coal pitch brushing oil wrapped cloth anti-corrosion

• Common connection methods: direct welding/flange connection/socket connection, etc.