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Location:Product Center >> ERW Steel Pipe >> ERW Pipe for Deep Well Pump
  • 产品名称: ERW Pipe for Deep Well Pump
  • 产品编号: B011
  • Views : 38

Name of product: ERW Pipe for deep well pump
Standard: Q235B
Specification:159×7.0×12000mm
Technical requirement
O.D. tolerance: ≤±1.0%D;
Tolerance of Wall Thickness: -10.0%t—+12.5%t;
Out of Roundness:≤0.75D;
Tolerance of Length : 0—+20mm;
Straightness: pipe length≤0.12 %L, ≤1.2mm/m per meter of steel pipe;
Out of squareness: ≤1.6mm;
Outside bur: almost abreast with the base metal
Inside bur: ≤1.5mm, radial offset≤0.4mm
Hydrostatic Pressure Test≥4MPa   time holding test pressure≥5s