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TUBE IN STRAIGHT LENGTHS
OUTSIDE DIAMETER
von 5,00 bis 10,00 mm ± 0,07
von 10,01 bis 15,00 mm ± 0,08
von 15,01 bis 25,00 mm ± 0,10
WALL THICKNESS
% ± 10
STRAIGHTNESS
von Ø 5,0-12,0 1,00 mm/m
von Ø 12,1-18,0 1,50 mm/m
von Ø 18,1-25,0 2,00 mm/m
INSIDE WELD BEAD
=< 0,10 mm von 0,40 bis 0,75 mm WT
=< 0,15 mm von 0,80 bis 1,20 mm WT
=< 0,20 mm von 1,25 bis 1,50 mm WT
LENGTH TOLERANCES
von mm 300 bis 3.300 ± 1,00 mm
von mm 3.301 bis 4.300 ± 1,50 mm
von mm 4.301 bis 6.000 ± 5,00 mm
von mm 6.001 bis 10.000 ± 10,00 mm
von mm 10.001 bis 14.000 ± 15,00 mm |
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HEAT TREATED TUBE
HARDNESS
160 ± 15 HV5 if not otherwise agreed
Max 90 HRB to ASTM A-249 Norm
FOR TUBE IN COILS
Lengths between 100 and 400 m, if not otherwise agreed.
Pressure Tested at 10 Bar for 10 min. in Air, or at 40 Bar in
Water
DIAMETER Tolerances:
Diameter 5,0 - 14,0 ± 0,15 mm
Diameter 14,1 - 25,0 ± 0,20 mm
Nickel Plated Tubes
Ni-coating from 10 bis 20 µ
PRINTING ON TUBES
Alle Tubes are stamp printed with the following details:
Manufacturer batch nr, Diameter, Wall Thickness, Material, Date of
Production, in order to fulfill traceability of manufacture batch. |
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ROPA STAHL
