MachineU > China Products > Tools & Hardware > Hardware > Springs
Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance
Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance
Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance
Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance
Specifications
Tensile strength :
980-1180 MPa
Elastic recovery :
≥85%
Temperature range :
-40°C to 120°C
Fatigue resistance :
≥10⁷ cycles
Young's modulus :
206 GPa
Load capacity :
up to 500 kN
Speed rating :
≥10,000 RPM
Corrosion resistance :
5000 hours salt spray
Passivation thickness :
≥0.5μm
Max temperature :
650°C
Thermal stability :
80% strength at 500°C
Load variation :
±3%
Force multiplication :
up to 4x
Hardness range :
HRc 42-52
Phosphating thickness :
5-15μm
Operating range :
-270°C to 800°C
Load cycles :
10³ to 10⁹
Material grades :
65Mn, 50CrVA, SUS304, SUS316, Inconel718
Surface treatments :
phosphating, black oxide, passivation
Stress distribution :
finite element analysis
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
Description
Bearing Disc Spring Material Guide: Comprehensive Selection of 65Mn, 50CrVA, SUS304 and Specialty Alloys for Optimal Preload Performance

Material selection directly impacts the preload stability, fatigue life, and environmental resilience of Bearing Preload Disc Springs (both grooved and grooveless series). Our engineering team has developed a specialized material portfolio tailored to diverse industrial operating conditions, ensuring each application receives optimal elastic performance and durability.

Material Specifications
  • 65Mn (Cost-Effective Carbon Steel): Boasting a tensile strength of 980-1180 MPa and excellent elastic recovery (≥85%), this manganese steel alloy delivers reliable performance for general industrial bearing pre-tightening. Ideal for standard temperature environments (-40°C to 120°C) in conveyor systems, pumps, and general machinery where moderate load cycling occurs.
  • 50CrVA/60Si2MnA (High-Strength Alloy Steels): These chromium-vanadium and silicon-manganese alloys offer superior fatigue resistance (≥10⁷ cycles at 40% of ultimate strength) and high stiffness (Young's modulus 206 GPa). Engineered for heavy-load (up to 500 kN) and high-speed (≥10,000 RPM) bearing assemblies in automotive transmissions, wind turbine gearboxes, and precision machine tools.
  • SUS304/SUS316 (Austenitic Stainless Steels): Providing exceptional corrosion resistance (passivation layer thickness ≥0.5μm) and chloride tolerance (SUS316: 5000 hours salt spray test per ASTM B117), these alloys excel in humid/chemical environments. Widely used in marine propulsion systems, food processing equipment, and pharmaceutical machinery where hygiene and rust prevention are critical.
  • Inconel718 (Nickel-Based Superalloy): Withstanding continuous operating temperatures up to 650°C and maintaining 80% of room-temperature strength at 500°C, this superalloy is engineered for extreme thermal environments. Critical applications include aerospace engine bearings, gas turbine generators, and nuclear reactor coolant pumps where thermal stability is paramount.

All materials are precision-machined to complement the annular geometry of bearing disc springs, ensuring uniform load distribution (±3% load variation) and load multiplication efficiency (up to 4x force output with equivalent displacement) across parallel spring stacks.

Our materials undergo rigorous quality control protocols including ultrasonic flaw detection, hardness testing (HRc 42-52 per material grade), and mechanical property verification (tensile, yield, and impact strength). Surface treatments are selectively applied based on application needs: phosphating (5-15μm coating thickness) for enhanced wear resistance, black oxide for improved lubricity, and passivation for maximum corrosion protection.

Each material's mechanical properties are computationally matched to spring geometry using finite element analysis, ensuring optimal stress distribution under dynamic preload conditions. Our metallurgical engineers provide personalized material selection consulting, analyzing factors such as operating temperature range (-270°C to 800°C), load cycles (10³ to 10⁹), and environmental contaminants. For unique operating parameters, we offer custom alloy development with rapid prototyping capabilities, including powder metallurgy and heat treatment optimization.

Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance
Send your message to this supplier
Send Now

Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance

Ask Latest Price
Product Detail
Tensile strength :
980-1180 MPa
Elastic recovery :
≥85%
Temperature range :
-40°C to 120°C
Fatigue resistance :
≥10⁷ cycles
Young's modulus :
206 GPa
Load capacity :
up to 500 kN
Contact Supplier
Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance
Bearing Disc Spring with 65Mn Carbon Steel, 50CrVA High-Strength Alloy, and SUS304 Stainless Steel for Optimal Preload Performance

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
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Bearing Preload Springs
MachineU China Products Tools & Hardware Hardware Springs
Contact Supplier
Submit Requirement