03/05/2015

PIPES & TUBES ASTM A106 – ASME SA106

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Carbon Steel Pipes for high temperature suitable for bending
 
Application High temperature and high pressure applications
Standard specification ASTM A 106 – ASME SA 106
 Manufacturing process Seamless
Steel grade Grade A – B – C
Tolerance • Thickness
+ not indicated (weight-defined)
– 12,5%
• Outside diameter
O.D. ≤ 48,3 ± 0,4 mm.
48,3 ≤ O.D. ≤ 114,3 ± 0,79 mm.
114,3 ≤ O.D. ≤ 355,6 ± 0,75% ***
457,0 ≤ O.D. ≤ 660,0 ± 1% ***
660,0 ≤ O.D. ≤ 1219,0 ± 1,5% ***
• Ovalization
Within the diameter tolerance range
• Line weight
+ 10%  – 3,5%
• Straightness
Straight at sight
Length To be indicated in order, normally 5/7 mts. if O.D. < 73 – 8/12 mts. if O.D. > 73
Ends Plain or bevelled API/ASTM/ASME B 16.25
Surface • Bare or atmospheric corrosion proofing
• Hot-galvanized
• P.E. / Bitumen coated / others to be indicated