1

Spooler

Internal diameter:                     152.4 mm +0.6/-0mm

Wall thickness:                         4mm +/-0.2mm

Length:                                      5 000 - 5 800mm

Roundness:                               ≤0.5mm

Gradient of the end:                   ≤0.5mm

Smooth:                                      1.6 – 3.2µm

Straightness:                               0.8mm/1m

Material quality:                          Q235

Chemical composition of Q235:

C: 0.12 – 0.20; Mn: 0.30 – 0.70; Si:0.70; S≤0.045; P:0.004

Tensile strength, MPa:                375 – 500

Yield strength, Mpa:                   235