Precision Pipe Bending – High-Quality Piping System Solutions
Product Overview
We specialize in high-quality pipe fitting manufacturing, providing one-stop solutions from design to production.
Utilizing advanced pipe bending technology and strict quality control systems, we ensure every product meets
international standards and customer requirements. Our pipe bending products are widely used in petrochemical,
natural gas, power, shipbuilding, water treatment and other industries, earning customer trust through
excellent performance and reliability.
Stainless Steel-Bend
Nace Bends-EN Standard Carbon Steel
Low Temperature Steel-5D Bend
Line Pipe-7D 30° Bend
Line Pipe-7D 15° Bend
Line Pipe-5D Bend
Coated Bends
Bends-EN Standard Carbon Steel
Technical Specifications
Pipe Bending Technical Parameters
Material Type
API 5L PSL1 & PLS2, Alloy Steel, Stainless Steel
Bending Radius R
Typical 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D, etc.
Bending Angle θ
Typical 15°, 30°, 45°, 60°, 90°, etc.
Straight Length L
Recommended when D ≤ 508mm, L > 250mm (e.g.: 300mm, 350mm);
When D > 508mm, L > 500mm (e.g.: 750mm, 1000mm)
Outside Diameter OD
As per customer requirements
Wall Thickness T
Typical Std, Sch10, Sch20, Sch30, Sch40, Sch60, Sch80, etc.
Bevel Type
ASME B16.25
Pipe Bending Tolerance Requirements
Bending Radius
±1%R
Bending Angle
±0.5°
Pipe Bending Flatness
±1°
End Face Perpendicularity
D ≤ 914, ±2.4mm; D > 914, ±3mm
Linear Dimension
D ≤ 610, ±5mm; D > 610, ±6mm
Wall Thickness
Minimum wall thickness ≥ 90% of the nominal wall thickness or the specified minimum wall thickness
Roundness
At the bent part, (Dmax-Dmin) ≤ 3% of the matched pipe outside diameter;
At the welded end, (Dmax-Dmin) ≤ 1% of the matched pipe outside diameter
Outside Diameter
≤ 1% of the matched pipe outside diameter
Inside Diameter ID
At the bevel: D ≤ 914, ±2.5mm; D > 914, ±3mm
Main body: The inner diameter at any position in the pipe bend > 97% of the specified minimum inner diameter
Bend Tolerance Requirements
Bend Radius±1%RBend Angle±0.5°Bend Flatness±1°End PerpendicularityD ≤ 914, ±2.4mm; D > 914, ±3mmLinear DimensionD ≤ 610, ±5mm; D > 610, ±6mmWall ThicknessMinimum wall thickness ≥ 90% of nominal wall thickness or specified minimum wall thickness
High Precision Manufacturing
Utilizing advanced CNC pipe bending equipment to ensure bending precision meets international standards and satisfies various complex engineering requirements.
High-Quality Materials
Selected high-quality steel materials undergo strict material inspection to ensure products have excellent mechanical properties and corrosion resistance.
Strict Quality Control
Established comprehensive quality management system with strict inspection at each process to ensure stable and reliable product quality.
Customization Service
Provide personalized customization services according to customer needs, supporting design and manufacturing of various special specifications and non-standard products.
