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ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
Specifications
Place of Origin :
Sihong, China
Brand Name :
Sunzo
Certification :
CE/IATF16949/45001/14001/9001
MOQ :
Negotiable
Price :
Negotiable
Packaging Details :
Carton
Delivery Time :
Negotiable
Payment Terms :
Negotiable
Yield strength :
>1200 MPa
Elongation :
>8%
Fracture toughness :
45 J/cm²
Outer diameter tolerance :
±0.02mm
Inner diameter tolerance :
±0.03mm
Thickness tolerance :
±0.01mm
Cone angle :
12°±0.5°
Surface finish :
Ra < 1.6μm
Edge radius :
0.2-0.5mm
Spring rate consistency :
±5%
Fatigue test cycles :
10⁶ cycles
Test frequency :
10Hz
Permanent deformation :
<0.01mm
Drop weight :
5kg
Drop height :
1m
Salt spray duration :
500 hours
Dacromet protection :
>1500 hours
Phosphating protection :
>500 hours
Thermal cycling range :
-196°C to 650°C
Load retention :
>90%
Description
SUNZO Disc Spring Quality Testing Protocol
SUNZO Disc Spring Quality Testing Protocol: Comprehensive Validation for Performance & Reliability Assurance
SUNZO implements a comprehensive multi-tiered quality testing regime that exceeds international standards for disc spring performance validation. Our ISO 17025-accredited testing laboratory conducts over 12 specialized tests across the production lifecycle, ensuring each component meets exacting specifications for critical industrial environments.
Material Integrity Verification
Raw material qualification begins with spectroscopic analysis (OES) to confirm alloy composition within ±0.05% tolerance of ASTM standards. Tensile testing per ISO 6892-1 measures yield strength (>1200 MPa for high-carbon steels) and elongation (>8%), while Charpy impact testing at -40°C ensures fracture toughness (minimum 45 J/cm²).
Dimensional Precision Analysis
Coordinate Measuring Machines (CMM) with 0.001mm resolution inspect critical dimensions: outer diameter (±0.02mm), inner diameter (±0.03mm), thickness (±0.01mm), and cone angle (12°±0.5°). Optical profilometers verify surface finish (Ra < 1.6μm) and edge radius (0.2-0.5mm) to prevent stress concentration points.
Mechanical Performance Testing
  • Load-Deflection Curve Validation: Using servo-hydraulic test frames (100kN capacity), we generate force-displacement curves per ISO 16148, ensuring spring rate consistency within ±5% across the operating range.
  • Fatigue Life Assessment: Dynamic testing at 10Hz for 10⁶ cycles under 70% of ultimate load confirms no permanent deformation (>0.01mm) or crack propagation (detected via ultrasonic inspection).
  • Impact Resistance: Drop-weight testing (5kg mass, 1m drop height) simulates shock loading, with post-test inspection via dye penetrant testing (ASTM E165) to ensure structural integrity.
Environmental Durability Testing
  • Corrosion Resistance: Neutral salt spray testing (ASTM B117) for 500 hours validates surface treatments (dacromet: >1500 hours protection; phosphating: >500 hours). Cyclic humidity testing (40-95% RH, -40°C to 80°C) accelerates aging effects over 1,000 cycles.
  • Temperature Stability: Thermal cycling (-196°C to 650°C) in inert atmosphere chambers evaluates load retention (>90% of initial force after 500 thermal cycles).
Batch Consistency Assurance
Statistical Process Control (SPC) monitors production batches with n=30 sampling per lot. Cpk values >1.33 confirm process capability, while Fourier Transform Infrared (FTIR) spectroscopy ensures coating uniformity. Each component receives a unique QR code linking to its complete test report, enabling full traceability from raw material to final inspection.
This rigorous testing protocol has earned SUNZO certification to AS9100D (aerospace), ISO 13485 (medical), and API 6A (oil & gas), with a 99.7% first-pass yield rate. Our quality engineers provide custom testing protocols for specialized applications, including cryogenic performance validation and radiation resistance testing for nuclear applications.
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
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ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers

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Product Detail
Place of Origin :
Sihong, China
Brand Name :
Sunzo
Certification :
CE/IATF16949/45001/14001/9001
MOQ :
Negotiable
Price :
Negotiable
Packaging Details :
Carton
Contact Supplier
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers
ISO17025 DIN 2093 Disc Spring 1200MPa 45J/Cm2 Metric Belleville Washers

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, Single Turn Wave Spring, DIN 6796 Washer
Total Annual :
1.2M-1.4M
Employee Number :
160~200
Certification Level :
Verified Supplier
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