Bends---Yingkou North Pipe Fittings Co., Ltd
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Bends
 
5D Bends-Low Temp Steel
5D Bends-Line Pipe Steel
7D 30° Bends-Line Pipe Steel
7D 15° Bends-Line Pipe Steel
Bends-EN Standard Carbon Steel
Nace Bends-EN Standard Carbon Steel
Coated Bends
Bends-Stainless Steel
 
PRODUCT DESCRIPTION
Bend Technical Parameters
Steel Type API 5L PSL1 & PLS2, Alloy Steel, Stainless Steel
Bend Radius R Typical 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D etc
Bend Angle θ Typical 15°, 30°, 45°, 60°, 90° etc
Tangent Length L Recommended D ≤ 508mm, L > 250mm (e.g.: 300mm, 350mm);
D > 508mm, L > 500mm (e.g.: 750mm, 1000mm)
Outside Diameter OD As per specified by the clients
Wall Thickness T Typical Std, Sch10, Sch20, Sch30, Sch40, Sch60, Sch80 etc
Bevel End Type ASME B16.25
Bend Tolerances Requirements
Bend Radius ±1%R
Bend Angle ±0.5°
Bend Plane ±1°
End Squareness D ≤ 914, ±2.4mm; D > 914, ±3mm
Linear Dimensions D ≤ 610, ±5mm; D > 610, ±6mm
Wall Thickness Tmin ≥ 90% of the nominal mating wall thickness or specified minimum wall thickness
Ovality (Dmax-Dmin) ≤ 3% of the nominal mating pipe outside diamter within the bend;
(Dmax-Dmin)≤ 1% at the welding end
Outside Diameter ≤ 1% of the nominal mating pipe outside diameter
Inside Diameter ID Welding Ends:D ≤ 914, ±2.5mm; D > 914, ±3mm
Body:> 97% of the minimum specified matching pipe internal diameter at any location in the bend
 
 
 
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