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DIN 6796 Disc Spring Washer: Complete Guide for High-Load Bolted Connections
DIN 6796 Disc Spring Washer: Complete Guide for High-Load Bolted Connections
Specifications
Permanent Deformation :
<0.2% set after 10⁶ cycles
Force Generation :
Controlled preload
Fatigue Resistance :
High
Brand Name :
Sunzo
Disc Thickness :
2mm
Outer Diameter :
Varies by size, typically specified in mm
Transport Package :
Carton
Compliance :
Meets DIN 6796 specifications
Temperature Resistance :
High-temperature
Serrated Teeth Angle :
45°-60°
Place of Origin :
Sihong, China
Quality Testing :
Rigorous
Pressure Resistance :
High (Oil & Gas applications)
Certification :
CE/IATF16949/45001/14001/9001
Clamping Stability :
Consistent across temperature range
Installation Method :
Mechanical interlock
Load Distribution :
Superior to flat washers
Cycle Life :
10⁶+ cycles
Description
DIN 6796 Disc Spring Washer: Complete Guide for High-Load Bolted Connections
A DIN 6796 disc spring washer is a conical elastic washer designed for medium- and high-load bolted connections. Its disc-shaped profile deforms axially under compression, storing elastic energy and providing an elastic reaction force to the joint.
Product Overview
DIN 6796 disc spring washers serve as essential components in joint systems. Proper evaluation requires considering bolt grade, target preload, mating materials, installation space, working height, expected deformation, and service environment as interconnected factors.
Design and Working Principle
The conical structure enables the washer to perform both washer and spring functions. As axial compression increases, the free height decreases and material stores elastic energy, providing elastic compliance when joints experience displacement changes.
Key Applications
  • Wind power equipment
  • New energy systems
  • Automotive manufacturing
  • Rail transit
  • Construction machinery
  • Shipbuilding
  • Electric power systems
  • Steel structures and bridge engineering
Technical Parameters
Selection begins with joint requirements: nominal bolt size, required preload, available axial space, working height, expected load, deformation range, temperature, corrosion exposure, and installation method.
Size Range
Available in nominal sizes from M2 to M125. Example M10 specification: outer diameter 23 mm, inner diameter 10.5 mm, thickness 2.50 mm, height 3.20 mm, force 22,100 N.
Materials and Surface Treatment
Material Options
  • Spring steels: 1074, 51CrV4, 60Si2Mn, 65Mn
  • Stainless steels: SUS302, SUS304, SUS316, 17-7
  • High-performance alloys: Inconel 718, Inconel X-750
Surface Treatments
  • Phosphating
  • Dacromet plating
  • Blue coating
  • Polishing
  • Jumeite treatment
  • Passivation
  • Teflon coating
Performance Data: Maximum flattening force corresponds to 70%–90% of clamping force for 8.8 or 10.9 grade bolts. M10 specification shows 75.67% clamping-force retention rate in DIN 25201-4 transverse vibration tests.
Customization and Sunzo Support
Jiangsu Sunzo Elastic Technology Co., Ltd. supports both standard and non-standard requirements based on customer drawings, samples, or technical specifications. Custom dimensions and specifications available upon request.
Selection Guide
For custom inquiries, provide: nominal size, drawing/dimensional requirements, material, hardness, surface treatment, target load, working height, quantity, and operating environment.
Frequently Asked Questions
What is a DIN 6796 disc spring washer?
A conical elastic washer for medium- and high-load bolted connections that provides elastic compliance and preload retention.
What information is needed for customization?
Drawing or sample, dimensions, material, hardness, surface treatment, target load, working height, and service conditions.
Can Sunzo provide non-standard specifications?
Yes, custom non-standard dimensions and specifications can be provided upon request.
Conclusion
DIN 6796 disc spring washers provide compact elastic solutions for fastening systems where preload retention and controlled axial compliance are critical. Jiangsu Sunzo Elastic Technology offers comprehensive support for both standard and customized requirements.
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DIN 6796 Disc Spring Washer: Complete Guide for High-Load Bolted Connections

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Product Detail
Permanent Deformation :
<0.2% set after 10⁶ cycles
Force Generation :
Controlled preload
Fatigue Resistance :
High
Brand Name :
Sunzo
Disc Thickness :
2mm
Outer Diameter :
Varies by size, typically specified in mm
Contact Supplier
DIN 6796 Disc Spring Washer: Complete Guide for High-Load Bolted Connections

Jiangsu Sunzo Spring Elasticity Technology Co., Ltd

Verified Supplier
1 Years
nanjing
Since 2006
Business Type :
Manufacturer, Exporter, Seller
Main Products :
DIN 2093 Disc Spring, Belleville Disc Spring, DIN 6796 Washer
Total Annual :
1.2M-1.4M
Employee Number :
160~200
Certification Level :
Verified Supplier
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