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About Bending parts

Bending parts are widely used metal components formed by applying force to sheet metal or profiles, causing them to bend at specific angles without material removal. Through precise bending processes, these parts achieve desired shapes and dimensions to meet structural, functional, and aesthetic requirements across various industries.


With the development of CNC bending machines and advanced tooling technology, modern bending parts can be manufactured with high accuracy, repeatability, and complex geometries,making them suitable for applications ranging from simple brackets to precision components in aerospace and electronics.

Bending parts Advantages

01

High Precision

Supports micron-level bending accuracy for complex designs

02

Material Versatility

Compatible with carbon steel, stainless steel, aluminum alloys, copper, and more.

03

Wide Applications

Used in automotive, aerospace, electronics, construction, furniture, and industrial machinery.

04

Cost-Effective Manufacturing

Suitable for both mass production and custom orders

05

Enhanced Strength & Aesthetics

Bending improves structural rigidity while maintaining a smooth surface finish.

Bending Parts Types

Bending Parts Material

Here below are some commonly used processing materials, Apart from the materials listed below, if you have any special material requirements, as long as they are available on the market then we can also provide.

  • > Aluminum
  • Stainless Steel
  • Steel
  • Iron
  • Brass
  • Copper

Aluminum

Al6061, AI6063, Al6082, AI7075, Al2024, Al5052, ADC12, A380, A384, A413, YL113 etc.

Stainless Steel

201, 202, 301, 303, 304, 304L, 316, 316L, 321, 310S, 401, 409, 410, 420J1, 420J2, 430, 439, 443, 444, G90 etc.

Steel

Mild Steel, Carbon Steel, 4140, 4340, Q235, Q34513, 20#, 45#, etc.

Iron

20#, 45#, Q235, Q345, Q3458, 1214, 12L14, 1215, etc.

Brass

C35600, C36000, C37700, C37000, C37100, C28000, C26000, C24000, C22000, etc.

Copper

C11000, C12000, C12200, C10100, etc.

Surface Treatment

Here below are some commonly used processing materials, Apart from the materials listed below, if you have any special material requirements, as long as they are available on the market then we can also provide.

Name Description Suitable Material Color Texture

As machined

Has a As-machined surface roughness of 3.2μm (126 μin), which removes sharp edges and deburs parts cleanly.
All metal
Mill finished
Satin

Sand blasting

A method that uses high-pressure gas or water to spray sand or other fine granular materials onto the surface of a metal machined product, in order to remove dirt or increase the surface roughness.
Aluminum, Stainless steel, Steel, Brass, copper
Mill finished
Matte

Anodized

Anodizing is an electrochemical process, mainly used to form a protective oxide film on the surface of metals (especially aluminum and its alloys). It can effectively prevent metal oxidation and corrosion, enhance wear resistance, and offer a variety of color options to improve aesthetics.
Aluminum
Silver, black, red, blue, green, yellow, grey, purple, gold, champagne
Smooth, matte

Alodine

The Alodine coating is formed on the surface of metals through a chemical reaction, creating a protective oxide film. This film can isolate the metal from air and moisture, thereby enhancing its corrosion resistance.
Aluminum
Silver, gold
Smooth, matte, glossy

Powder Coating

The surface of the powder-coated products is smooth and flat, with uniform color. It has extremely strong acid resistance, alkali resistance, impact resistance and wear resistance. It can withstand strong ultraviolet radiation and acid rain for a long time without any phenomena such as coating powdering, fading or peeling. Typical thickness ranging from 50 μm up to 150μm.
All metal
Any color as required
Glossy

Polishing

Polishing is the process of modifying the surface of a workpiece using flexible polishing tools and abrasive particles or other polishing equipment, with the aim of achieving a smooth surface or mirror-like luster. The surface roughness can generally reach Ra 0.8~Ra 0.1.
All metal
Mill finished
Smooth, Glossy

Electroplating

Electroplating is a process that uses electrolysis to attach a metal film to the surface of metal parts, thereby preventing metal oxidation, improving wear resistance, conductivity, reflectivity, corrosion resistance and enhancing appearance.
Aluminum, steel, Stainless steel
Glod, Silver, black, red, blue, colorful
Smooth, Glossy

Wire drawing

The wire drawing process involves grinding the product to form lines on the surface of the workpiece, which can reflect the texture of the metal material and achieve a decorative effect.
Aluminum, steel, Stainless steel, ABS, brass
Glod, Silver, black, grey, bronze, champagne
Satin

Knurling

Rolling the handle on metal products or on other working surfaces involves the mechanical process of pressing patterns onto the surface through rolling. It is mainly used for anti-slip purposes.
All metal
Same as product
Matte

Painting

Spray the coating evenly on the surface of the product, then make it to dry and harden, forming a hard coating film. It has the functions of protection, aesthetics and marking.
All metal
Any color as required
Glossy, semi-glossy, highlight, Matte

Laser marking

A marking method that uses a high-energy-density laser to irradiate the surface of product, causing the vaporization of the surface material or a chemical reaction resulting in color change, thereby leaving a permanent mark. It can produce various characters, symbols, and patterns, and the size of the characters can range from millimeters to micrometers, which has special significance for product anti-counterfeiting.
All metal
As customer required
N/A

Screen printing

Screen printing is manufactured through photochemical or mechanical processing. By squeezing the ink and passing it through the screen plate, it is deposited on the surface of the substrate, therefore obtaining a large-area patterned film.
Aluminum, steel, Stainless steel,brass
As customer required
N/A

Passivation

Passivation reactions are widely applied in various industrial fields, such as chemical engineering, aviation, and automobiles. In these fields, passivation reactions can enhance the corrosion resistance, toughness and durability of metals, thereby extending their service life.
Aluminum, steel, Stainless steel, brass
Gold, Silver, grey, black
Smooth, Glossy

Key Technical Parameters of Bending Parts

Bending Process TypeCore Dimensional ParametersCore Precision ParametersCore Process ParametersAdaptable Material Parameters (Thickness / Yield Strength)Typical Application Scenarios
CNC BendingBending angle: 0°-180° (up to 190° for special cases)Bending radius (R-angle): R≥0.8×thickness for carbon steel, R≥0.5×thickness for aluminumWorkpiece size: 5mm×5mm×1mm - 6000mm×1500mm×500mmAngle tolerance: ±0.1°Dimension tolerance: ±0.1mm (for precision parts)Flatness: ≤0.2mm/mBending force: approx. 5kN for 1mm cold-rolled steel, approx. 150kN for 10mm cold-rolled steelBending speed: 2-15mm/s (2-5mm/s for precision, 5-15mm/s for high speed)Thickness: 0.5-16mm (≤30mm for large equipment)Yield strength: 235MPa for cold-rolled steel, 205MPa for 304 stainless steelAutomotive door frames, medical device housings
Manual BendingBending angle: 0°-120° (conventional)Bending radius (R-angle): R≥1.0×thickness for carbon steel, R≥0.8×thickness for aluminumWorkpiece size: 10mm×10mm×0.5mm - 500mm×300mm×3mmAngle tolerance: ±1°-±2°Dimension tolerance: ±0.5mm-±1mmFlatness: ≤0.8mm/mBending force: dependent on manual labor / small power, approx. 2kN for 1mm aluminumBending speed: manually controlled, approx. 0.5-2mm/sThickness: ≤3mmYield strength: ≤110MPa for aluminum, ≤200MPa for mild steelHandmade hooks, small maintenance parts
Roll Bending (Rolling Bending)Bending angle: arc / circle (corresponding radian 0°-360°)Bending radius (R-angle): R≥3×pipe diameter for pipes, R≥5×thickness for platesWorkpiece size: length ≤6000mm, pipe diameter / profile section ≤200mmAngle tolerance (radian deviation): ±0.5°Dimension tolerance (radius deviation): ±1%×designed radiusCircularity: ≤0.3mm/mBending force: approx. 200kN for 10mm thick steel plate, approx. 150kN for 50mm diameter round pipeBending speed: 3-8mm/sThickness: ≤20mm for plates, ≤10mm for pipe wall thicknessYield strength: ≤235MPa for hot-rolled steel, ≤205MPa for stainless steelArchitectural curved handrails, pipe elbows
Press Bending (Stamping Bending)Bending angle: 90°-150° (conventional)Bending radius (R-angle): R≥0.5×thickness for carbon steel, R≥0.3×thickness for aluminumWorkpiece size: 5mm×5mm×0.3mm - 300mm×200mm×5mmAngle tolerance: ±0.3°Dimension tolerance: ±0.2mmFlatness: ≤0.3mm/mBending force: approx. 8kN for 1mm cold-rolled steel, approx. 80kN for 5mm cold-rolled steelBending speed: punch stroke speed 5-10mm/sThickness: ≤5mmYield strength: ≤235MPa for cold-rolled steel, ≤110MPa for aluminumElectronic circuit board brackets, can lids
Flanging (Edge Bending)Bending angle: 90° (conventional), 180° (hemming)Bending radius (R-angle): R≤0.5×thickness (R≈0.2×thickness for hemming)Workpiece size: edge flanging width 5-20mm, overall workpiece ≤2000mm×1000mmAngle tolerance: ±0.5°Dimension tolerance (flanging width): ±0.2mmEdge flatness: ≤0.1mm/mBending force: approx. 3kN for 1mm galvanized sheet, approx. 10kN for 2mm color steel sheetBending speed: 4-6mm/sThickness: ≤2mmYield strength: ≤235MPa for galvanized steel, ≤200MPa for color steel sheetsFurniture drawer panels, color steel sheet roofs


Application Areas

Automotive Industry 

Automotive Industry 

Car body frames, battery trays, exhaust brackets.
Aerospace Sector

Aerospace Sector

Aircraft body panels, structural supports, brackets.
Construction & Architecture

Construction & Architecture

Steel beams, facade frames, aluminum curtain walls.
Electronics & Electrical

Electronics & Electrical

Control cabinets, server housings, cable trays.
Home Appliances & Consumer Goods

Home Appliances & Consumer Goods

Refrigerator panels, washing machine housings.
Medical Equipment

Medical Equipment

Instrument casings, support structures, stainless steel frames.
Energy & Industrial Machinery

Energy & Industrial Machinery

Solar panel brackets, wind turbine supports.
Transportation & Marine

Transportation & Marine

Rail vehicle interiors, shipbuilding structural components.

From design to finished product, Jixing Aluminum provides you with one-stop precision machining solutions!

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