DIN EN 10210-2 Hot Finished Round Structural Steel Pipe, Structural Steel Square Tubing.
Material: 10#-45#, Q195-Q345, S235JRH, S355J2H, etc.
Standard: DIN EN 10210-2.
OD: 50-2500mm.
WT: 5-120mm.
Length: Customer's Requirement.
Application: For Machinery Use, Structural Purposes.
Production Method: Seamless Cold Drawing Or Cold Rolling, Electric Resistance Welded.
Test and Inspection: Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test, etc.
QUALITY CONTROL:
Incoming Raw Material Inspection.
Raw Material Segregation to avoid steel grade mix-up.
Heating and Hammering End for Cold Drawing.
Cold Drawing and Cold Rolling, on line inspection.
Heat Treatment, +A, +SRA, +LC, +N, Q+T.
Straightening-Cutting to specified length-Finished Measuring Inspection.
Mechanical testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Microstruture, etc.
Packing and Stocking.
Structural hollow section manufacturing process:
Structural hollow sections are manufactured by seamless or by welding.
Welded sections manufactured by continuous process.
Electric welded hollow sections are supplied without trimming the internal weld bead.
Surface condition:
The hollow sections have a smooth surface corresponding to the manufacturing method used; bumps, cavities or shallow longitudinal grooves resulting from the manufacturing process are permissible, provided the thickness is within tolerance.
limit of the inner and outer weld reinforcement at submerged arc welded hollow sections |
Wall thickness (mm) |
Weld reinforcement (mm) |
≤14.2 |
3.5 |
>14.2 |
4.8 |