DIN EN 10219 Cold Formed Welded Structural Hollow Sections

DIN EN 10219 Cold Formed Welded Structural Hollow Sections 2018-06-13T04:09:55+00:00

DIN EN 10219 Cold formed welded structural hollow sections

EN 10219 ERW Pipe
EN 10219 ERW Pipe
EN 10219 ERW Pipe

DIN EN 10219 is intended for cold formed welded structural hollow section of circular, square or rectangular forms and applies to structural hollow sections formed cold without subsequent heat treatment.

Tianjin Huilitong Steel Pipe Produces a full range of EN 10219 Pipe in:

  • Grade S235JRH/S275J0H/S275J2H/S355J0H/S355J2H/S355K2H
  • Round Pipe Size: outside diameter 88.9-457mm, thickness 2.5-16mm of ERW Pipe
  • Round Pipe Size: outside diameter 219-2540mm, thickness 4-25.4mm of SSAW Pipe
  • SHS Size: side length 20-800mm, thickness 2-30mm
  • RHS Size: side length 20-500X20-750mm, thickness 2-30mm

Scope

HLT manufacture of ERW High Frequency Welded Pipes and SSAW Welded Pipes

Materials and Manufacture

The steel for welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. Structural Hollow Sections shall be manufactured by electric welding or submerged arc welding without subsequent heat treatment.

Chemical Requirements

 
Steel GradeC Max % Si Max % Mn Max % P Max % S Max % N Max %
S235JRH0.171.40.040.040.009
S275J0H0.21.50.0350.0350.009
S275J2H0.21.50.030.03
S355J0H0.220.551.60.0350.0350.009
S355J2H0.220.551.60.030.03
S355K2H0.220.551.60.030.03

Tensile Requirements

Steel GradeMin Yield Strength Mpa
T≤16
Min Yield Strength Mpa
16 < T≤40
Tensile Strength Mpa
T≤3
Tensile Strength Mpa
3 < T≤40
Min Elongation
T < 40
Min Impact Ennergy
-20℃ J
Min Impact Ennergy
0℃ J
Min Impact Ennergy
20℃ J
S235JRH235225350-510360-51024--27
S275J0H275265430-580410-56020-27-
S275J2H275265430-580410-5602027--
S355J0H355345510-680470-63020-27-
S355J2H355345510-680470-6302027--
S355K2H355345510-680470-6302040--

Permissible Variations

Wall Thickness:Plus or minus 12.5%

Weights:Plus or minus 10%

Hydrostatic Testing

Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.

Mechanical Tests Specified

Cast Analysis–One result per delivery item

Tensile Test–One result per delivery item

Impact Test–Per Heat Number

Surface Condition and Dimensions– 10%

NDT of the Weld–All products, full lenth

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