Corrosion-Resistant High-Force Nested Wave Spring for Downhole Tools in Inconel X-750

High-Force Elastic Nested Wave Spring

High-Load Nested Wave Spring

Product Details

Material:	Inconel X-750, Inconel 718, Super Duplex Stainless Steel	Sulfide Stress Resistance:	NACE MR0175 / ISO 15156 Compliant
Inner Diameter Range:	20.0 Mm To 320.0 Mm	Max Working Pressure:	105 MPa (15,000 Psi)
Operating Temperature Range:	-60°C To +550°C	Force Type:	High-force Axial Loading
Design Type:	Multi-layer Nested	Application Pressure:	Extreme High-pressure
Corrosion Resistance:	High Corrosion-resistant	Mechanical Stress Resistance:	High Mechanical Stress-resistant
Sealing Mechanism:	Metal-to-metal Sealing	Vibration Resistance:	High Vibration-resistant
Footprint:	Small Footprint	Profile:	Slim Profile
Force Efficiency:	High Force In Compact Space	Environmental Suitability:	Subsea And Downhole
Chemical Resistance:	Resistant To Corrosive Chemicals	Temperature Stability:	Predictable Characteristics Across Range
Pressure Suitability:	Deep-sea Hydrostatic Pressure	Material Treatment:	Sour Gas Service Treated
Highlight	Corrosion-Resistant Nested Wave Spring , High-Force Nested Wave Spring , X-750 Nested Wave Spring

Product Description

Downhole Oil & Gas Well Tools

Corrosion-Resistant Nested Wave Spring for Subsea and Downhole Wellhead Tools

Subsea exploration and downhole oil production subject equipment to extreme pressures, corrosive chemicals, and high mechanical stress. For these demanding environments, Jiangsu Sanzhong Elastic Technology Co., Ltd. manufactures high-performance Nested Wave Spring components designed for reliability in critical conditions. Our parallel-turned wave springs provide the heavy force required to seal downhole packers, safety valves, and blowout preventers (BOP).

+------------------------------------------------------------------------+ | DOWNHOLE VALVE SEAL MECHANISM | | | | +--------------------------------------------+ | | | Tool Outer Body | | | +-------+----------------------------+-------+ | | | [High-Force Nested Spring] | | | | ====================== | | | +-------+-------+ +-------+-------+ | | | V-Packing | | V-Packing | | | | Seal Lip | | Seal Lip | | | +---------------+ +---------------+ | | | | Function: Provides strong, continuous axial loading to compress | | elastomeric packings against high-pressure sour gases. | +------------------------------------------------------------------------+

Standard single-turn springs often lack the force needed to overcome deep-sea hydrostatic pressure, while large coil springs require too much space. Our multi-layer nested design provides high force in a small footprint, allowing downhole tools to be built with slimmer profiles. This helps operators lower drilling torque and improve well intervention efficiency.

Target Client Applications

Downhole Drilling Tools: Integrated into steering tools and logging-while-drilling (LWD) systems to isolate delicate electronics from high vibration.
Subsea Wellhead Valves: Applied to main gate valve gates to ensure metal-to-metal sealing compliance in cold marine environments.
Subsea Packers & Plugs: Used to apply continuous compression to elastomeric elements, maintaining long-term isolation in sour wells.

Technical Specifications & Product Parameters

Parameter	Specification
Material Integrity	Specialization in Inconel X-750 (UNS N07750), Inconel 718, and Super Duplex Stainless Steel
Sulfide Stress Cracking Resistance	Materials treated to comply with NACE MR0175 / ISO 15156 standards for sour gas service
Inner Diameter (ID) Range	20.0 mm up to 320.0 mm to match standard well tool mandrel dimensions
Maximum Working Pressure	Qualified for use in systems operating at pressures up to 105 MPa (15,000 psi) and higher
Operating Temperature Limits	Retains predictable spring characteristics at temperatures ranging from -60°C to +550°C

Product Highlights

High-force nested wave springs for extreme downhole & subsea conditions. Made from Inconel/Super Duplex, NACE MR0175 compliant. Compact design delivers superior sealing pressure for packers, valves & BOPs in sour service.

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