Custom metal button stamping parts serve as functional and decorative components for products such as clothing and bags. Their quality directly impacts the aesthetic appeal, durability, and practicality of these products. By precisely matching the properties of metal materials with the requirements of different application scenarios and combining advanced stamping technologies with customized processes, we offer one-stop solutions ranging from design and research to mass production, meeting the diverse needs of the market for personalized and high-quality buttons.
I. Core Material Properties and Application Advantages
(A) Comparison of Mainstream Material Properties
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Material Type
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Density (g/cm³)
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Tensile Strength (MPa)
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Hardness (HV)
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Core Advantages
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Typical Certifications
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Copper Alloy (Brass)
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8.4 – 8.8
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200 – 400
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60 – 150
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Easy to process, beautiful luster, oxidation resistance
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EN 1811 Nickel Release Test
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Zinc Alloy
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6.6 – 6.7
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220 – 450
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70 – 120
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Low cost, good fluidity, diverse shapes
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ASTM B696 Standard Certification
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Stainless Steel (304)
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7.93
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520 – 720
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130 – 180
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High strength, corrosion resistance, strong rust prevention
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ISO 14644 Cleanroom Certification
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Aluminum Alloy (6061)
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2.7
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124 – 207
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35 – 65
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Lightweight, excellent corrosion resistance
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GB/T 3190 Alloy Standard
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Titanium Alloy
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4.5
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895 – 1100
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250 – 350
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Ultra-high strength, good biocompatibility
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ASTM F136 Medical Standard
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(B) Driving Forces of Customization Requirements
1. Decorative Requirements
- Surface treatments should achieve diverse effects such as mirror finish (roughness Ra ≤ 0.2μm) and brushing (pattern uniformity error ≤ 5%).
- Color requirements must precisely match Pantone color cards with a color difference ΔE ≤ 1.0.
2. Functional Requirements
- Buckle components should withstand a pulling force of ≥ 50N and have an opening and closing lifespan of over 5,000 times.
- Buttons for outdoor products should pass the salt spray test (≥ 24 hours without rust).
3. Safety Requirements
- For buttons in contact with skin, the nickel release amount should be ≤ 0.5μg/cm²/week, complying with EU REACH regulations.
- Buttons for children’s products should pass the small parts test to prevent choking hazards.
II. Analysis of Four Core Processing Technologies
(A) Stamping Forming: High-Precision Component Processing
- Technical Advantages
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- The progressive die process enables continuous stamping of multiple processes, increasing production efficiency by 60%.
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- Dimensional accuracy can reach ± 0.02mm, meeting the processing requirements for buttons with complex shapes.
- Process Parameters
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- Stamping speed: 80 – 120 times/minute; stamping force is adjusted from 5 to 50 tons according to the material.
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- The die clearance is controlled at 8% – 12% of the material thickness to ensure cross-sectional quality.
(B) Surface Treatment Technologies
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Process Type
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Typical Application Scenarios
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Technical Highlights
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Electroplating
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Gold, silver, and other metallic luster buttons
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Plating thickness: 1 – 3μm; adhesion ≥ 4B grade
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PVD Vacuum Coating
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High-end scratch-resistant and wear-resistant buttons
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Coating hardness ≥ 2000HV; salt spray resistance ≥ 72 hours
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Enameling
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Colorful artistic buttons
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High color saturation; wear resistance ≥ 500 friction times
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Laser Engraving
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Personalized pattern buttons
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Engraving precision ± 0.01mm; patterns are permanently preserved
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- Technical Advantages
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- PVD coating enhances wear resistance and is environmentally friendly, complying with international environmental standards.
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- Enameling achieves long-lasting, non-fading colors through high-temperature firing.
(C) Die Design and Manufacturing
- Design Key Points
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- 3D modeling using CAD/CAM technology shortens the design cycle by 30%.
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- The assembled die structure facilitates local replacement of worn parts, reducing maintenance costs.
- Manufacturing Process
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- Die material: Cr12MoV, with a hardness of HRC58 – 62 after heat treatment.
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- Wire electrical discharge machining accuracy reaches ± 0.005mm, ensuring die surface accuracy.
(D) Secondary Processing: Functional Enhancement Treatment
- Riveting Process
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- A spin riveting machine is used for shank riveting, with a riveting strength ≥ 80N to ensure a firm connection between the button and the fabric.
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- The surface is flat after riveting, without burrs or deformation.
- Polishing Treatment
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- Vibration polishing makes the button surface roughness Ra ≤ 0.4μm, achieving a mirror finish.
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- Magnetic polishing can process complex inner holes and grooves, ensuring comprehensive polishing.
III. Full-Process Customization Solutions
(A) Design and Material Engineering
1. Multi-Dimensional Design Support
- Creative Design: Provide various design schemes such as hand-drawn renderings and 3D visualizations according to customer requirements.
- Structural Optimization: Optimize the buckle structure through finite element analysis (FEA) to enhance mechanical performance.
- Functional Customization
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- Magnetic buttons have a magnetic force of ≥ 20N for convenient opening and closing.
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- Waterproof buttons have a sealing performance of IP65, suitable for outdoor equipment.
2. Precise Material Selection
- Buttons for Clothing Decoration: Select zinc alloy or copper alloy to balance aesthetics and cost.
- Buttons for High-End Bags: Use stainless steel or titanium alloy to enhance product texture and durability.
3. Pre-treatment Process
- Level the metal sheet with a flatness error ≤ 0.1mm.
- Remove oil and rust from the surface to ensure subsequent processing quality.
(B) Production and Quality Control
1. Flexible Manufacturing Capability
- Rapid Prototyping: 3D printed samples are delivered within 3 days, and the die development cycle is 7 – 15 days.
- Mass Production
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- Automated stamping production lines with a daily output of 50,000 – 100,000 pieces.
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- Equipped with a CCD visual inspection system, achieving a dimensional detection accuracy of ± 0.01mm and a defect recognition rate of ≥ 99.8%.
2. Comprehensive Inspection System
- Physical Properties
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- Tensile Test: Use an electronic universal testing machine with a test force error ≤ ± 1N.
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- Wear Test: Conduct tests with a Taber abraser, and the surface wear amount after testing should be ≤ 0.05mm.
- Appearance Inspection
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- Color Difference Detection: Use a spectrophotometer to ensure color consistency.
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- Defect Detection: Combine manual visual inspection with machine vision to ensure no scratches, pits, or other defects.
- Certification Support: Provide international certification reports such as REACH, RoHS, and EN 71 to meet global market requirements.
IV. Multi-Scenario Application Solutions
(A) Clothing Field
- Suit Buttons: Adopt brass electroplating and surface polishing, with a gloss of 80 – 90GU, enhancing the grade of the clothing.
- Denim Buttons: Made of zinc alloy with an aged treatment, presenting a retro style, and the buckling force ≥ 60N for long-lasting use.
(B) Bag Field
- Luggage Decorative Buttons: Made of stainless steel with PVD rose gold plating, passing the salt spray test for ≥ 48 hours, resistant to wear and scratches.
- Backpack Adjustment Buttons: Made of aluminum alloy, designed for lightweight, reducing weight by 40% compared to traditional buttons, and capable of bearing ≥ 10kg.
(C) Special-Purpose Field
- Military and Police Uniform Buttons: Made of titanium alloy with ultra-high strength (tensile strength ≥ 900MPa), meeting the requirements of harsh environments.
- Children’s Clothing Buttons: Pass the EN 71 – 3 heavy metal test and adopt anti-detachment designs to ensure children’s safety.
V. Technology Selection Guide
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Requirement Type
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Preferred Technology
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Size Range (mm)
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Core Indicators
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Delivery Cycle
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Personalized Small Batches
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3D Printing + Stamping
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Φ5 – Φ30
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Fast response, creative design
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Prototype in 3 days, batch production in 15 days
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High-End Quality Requirements
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PVD Coating + Stainless Steel
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Φ8 – Φ40
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High wear resistance, oxidation resistance
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Prototype in 7 days, batch production in 25 days
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Large-Scale Standardized Production
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Progressive Die Stamping + Zinc Alloy
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Φ6 – Φ25
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Low cost, high efficiency
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Prototype in 5 days, batch production in 20 days
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Custom metal button stamping parts achieve full-category coverage from miniature decorative buttons to large functional buttons through the deep integration of material properties, processing technologies, and application scenarios. Whether it is the aesthetic requirements of fashion clothing or the functional requirements of outdoor equipment, the full-process technical capabilities ensure that each customized product precisely meets the standards for decoration, durability, and safety. For custom solutions using brass, stainless steel, and other materials, certification testing processes, or production capacity data, please feel free to contact us. We provide professional support from design and development to mass production.
