Drawing or envelope
Send OD, ID, thickness, free height, stack height, guide clearance and available installation space.
Inconel 718, 625 & X-750 Disc Spring Supplier
Request Inconel 718, Inconel 625, Inconel X-750, Alloy 718 and Nimonic 90 disc spring quotes for HPHT valves, offshore tools and export sourcing.
Engineered for Reliable Load Control
Request Inconel 718, Inconel 625, Inconel X-750, Alloy 718 and Nimonic 90 disc spring quotes for HPHT valves, offshore tools and export sourcing.
- Custom Alloy 718, Inconel 625, Inconel X-750 and Nimonic 90 disc springs by drawing, load curve or DIN 2093 geometry
- Nickel alloy Belleville washer supplier review for HPHT, offshore, valve and corrosion-led service
- RFQ review by temperature, media, retained load, fatigue duty and failure consequence
- Support for RFQs involving custom Alloy 718 springs, custom nickel alloy 625 springs and Nimonic 90 springs
If you need to estimate load, deflection or stack arrangement, use the Disc Spring Design Calculator before sending drawings for engineering review.
Standard Sizes
DIN 2093 nickel alloy disc spring geometry available in OD 6-1000 mm and custom HPHT dimensions.
Materials
Inconel X-750, Inconel 625, Inconel 718 / Alloy 718, Nimonic 90 and related nickel alloy spring materials.
Temperature Range
-200 deg C to +700 deg C depending on alloy, aging condition, stress level and required load retention.
Recommended Applications
- Custom Alloy 718 springs for HPHT valves and aerospace hardware
- Inconel X-750 disc springs for high-temperature retained load
- Custom nickel alloy 625 springs for seawater, chloride and chemical corrosion
- Offshore oil and gas tools
- HPHT valve actuators
- Seawater and chemical process bolting
- Nimonic 90 elastic components for elevated-temperature load retention
RFQ DATA CHECKLIST
Send the application data engineers need first
For a faster quotation, include the basic spring geometry, target load and service condition. If a value is not confirmed yet, send the drawing or installed photos and mark it as estimated.
- OD / outside diameter
- ID / inside diameter
- Thickness and free height
- Material or working environment
- Quantity and delivery target
- Target load and working deflection
- Working temperature
- Application, drawing or photos
RFQ READY
Custom nickel alloy RFQ package for severe-service review
Nickel alloy disc springs are usually selected because failure cost, corrosion or high-temperature load loss is already a concern. Send the real service risk, drawing data and material target so the quote can move beyond nominal size.
Request QuoteAlloy target
Name the preferred alloy if known: Inconel 718 / Alloy 718, Inconel X-750, Inconel 625, Nimonic 90, Hastelloy C276 or open material review.
Service condition
Media, normal and peak temperature, hold time under load, pressure cycle, corrosion exposure and shutdown consequence.
Inspection need
Quantity, sample approval, material certificate, heat treatment condition, dimensional report, load curve, wholesale sourcing need or export documentation.
Key Product Data
Custom Alloy 718 springs for HPHT and high strength
Custom nickel alloy 625 springs for corrosion-led service
Inconel X-750 disc spring factory review
Nimonic 90 supplier path for creep resistance
Nickel Alloy Geometry Examples
| Part no. | Load class | De (mm) | Di (mm) | t (mm) | h0 (mm) | l0 (mm) | Load at 75% h0 (N) |
|---|---|---|---|---|---|---|---|
| FT100043 | A | 16 | 8.2 | 0.9 | 0.35 | 1.25 | 1010 |
| FT100065 | A | 20 | 10.2 | 1.1 | 0.45 | 1.55 | 1520 |
| FT100125 | A | 40 | 20.4 | 2.25 | 0.9 | 3.15 | 6500 |
| FT100146 | A | 56 | 28.5 | 3 | 1.3 | 4.3 | 11389 |
| FT100242 | - | 250 | 127 | 16 | 5.8 | 21.8 | 383000 |
Alloy selection should be matched to temperature, corrosion media, load retention and fatigue requirements.
Nickel & Cobalt Alloy Options
| Grade | Equivalent designation | Temperature range | Thickness range | Typical performance data |
|---|---|---|---|---|
| Inconel X-750 | UNS N07750 / 2.4669 | -200 to +600 deg C | 0.1-50 mm | High relaxation resistance; age-hardened spring strip commonly exceeds 1100 MPa tensile strength |
| Inconel 625 | UNS N06625 / 2.4856 | -196 to +650 deg C spring review range | 0.1-50 mm | Custom nickel alloy 625 springs are reviewed for chloride, seawater, sour service and severe chemical media; typical annealed tensile strength about 820-1050 MPa |
| Inconel 718 / Alloy 718 | UNS N07718 / 2.4668 | -250 to +650 deg C | 0.1-50 mm | Custom Alloy 718 springs are reviewed for HPHT, high strength and fatigue-critical service; annealed plus aged bar commonly reaches about 1275 MPa tensile minimum |
| Nimonic 90 | UNS N07090 / 2.4632 | -200 to +700 deg C | 0.1-50 mm | Precipitation-hardened Ni-Cr-Co alloy for creep and stress-rupture resistance at elevated temperature |
Inconel X-750, Alloy 718, Inconel 625 and Nimonic 90 spring RFQ notes
Requests for custom Alloy 718 springs, custom nickel alloy 625 springs, disc spring RFQs, Nimonic 90 disc spring supplier, Inconel 718 disc springs and Inconel disc spring supplier usually come from projects where ordinary spring steel is already considered too risky.
Inconel 718 is often reviewed for HPHT valves, aerospace hardware and severe-service preload systems. Nimonic 90 is more specific: it points to elevated-temperature creep, stress-rupture behavior and long hold time under load. Inconel 625 is normally reviewed first when chloride, seawater, sour service or chemical corrosion is the main driver.
Inconel X-750 disc spring factory, Inconel X-750 disc spring supplier and Inconel X-750 Belleville washer inquiries usually indicate high-temperature spring service where retained load, aging condition, stress level and stack design need to be reviewed together.
Custom alloy 718 springs, custom nickel alloy 625 springs, Inconel 625 springs, Inconel X-750 disc spring wholesale, Inconel X-750 disc spring factory, Inconel 718 disc spring supplier and Inconel 718 disc springs wholesale inquiries should be handled with plain drawing review, material choice, quantity and RFQ readiness.
For US sourcing teams, the fastest RFQ path is a drawing or failed sample plus media, normal and peak temperature, load target, cycle count, stack envelope and whether the spring will work in a valve, actuator, offshore tool or bolted joint.
The strongest RFQ route is usually material plus application intent: custom Alloy 718 springs RFQ, Inconel 718 disc spring supplier, custom nickel alloy 625 springs, custom Inconel 625 springs, Alloy 718 Belleville washer RFQ, Nimonic 90 disc spring supplier or Nimonic 90 disc spring export supplier.
For buyers comparing nickel alloy disc spring suppliers, FeTech can review Inconel 718, Inconel 625, Inconel X-750 and Nimonic 90 against load retention, corrosion, temperature and available installation height before quoting. The first useful step is usually a drawing, target load, annual quantity or failed part data rather than a material name alone.
North American RFQs are easiest to review when they include the drawing revision, expected annual quantity, required certificates and whether the order is for prototype approval, maintenance replacement or repeat production.
Related Technical Guides
Technical Guide
DIN 2093 Disc Springs | Manufacturer RFQ and Size Guide
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Read GuideStandards Guide
DIN 2093 Dimensions and Group Selection
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Disc Spring Surface Protection and Corrosion Control
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Disc Spring Preload Loss and Stress Relaxation
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Custom Disc Spring and Stack Design Workflow
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Read GuideTroubleshooting Guide
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OEM Disc Spring Program FAQ
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What to Prepare for a Live Loading Washer RFQ
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Valve Disc Springs and Live Loading for Leakage Control
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Nickel Alloy Disc Spring RFQ Guide
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Read GuideBuyer Selection Center
Disc Spring Selection Center for Buyers
Choose the right FeTech path for DIN 2093 disc springs, severe-service materials, stack design, calculation screening and RFQ preparation.
Read GuideCalculation Guide
Disc Spring Calculation Formulas | Belleville Washer Load & Stack
Use disc spring calculation formulas for Belleville washer force, K factors, stress checkpoints, stack force, stack travel and preliminary RFQ sizing.
Read GuideIndustry Guide
Belleville Washers for Offshore Oil & Gas
See how Belleville washers are applied in offshore oil and gas equipment where corrosion, pressure and long maintenance intervals demand stronger load-retention performance.
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Flange Live Loading Disc Springs for Bolt Load Loss and Leakage Risk
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Read GuideFAQ Guide
Disc Spring Temperature Ranges Explained
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Read GuideFAQ Guide
What Affects Disc Spring Fatigue Life?
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Read GuideBuyer FAQ
Spring Steel vs Inconel Belleville Washers
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How Disc Springs Help Reduce Valve Leakage
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Read GuideSizing FAQ
Live Loading Washer Sizing Basics
Learn the practical inputs behind live loading washer sizing for flange and valve bolting, including bolt size, travel, target load and service severity.
Read GuideSupplier Guide
China Disc Spring Manufacturer | DIN 2093, Inconel and Export RFQ
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Read GuideDownload Library
Disc Spring RFQ Downloads | Catalog, Checklist and Stack Worksheet
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Read GuideCommon Product Questions
When are Inconel Belleville washers worth the extra cost?
They are usually justified when temperature, corrosion or service consequences make standard materials too risky for reliable long-term preload retention.
When should Inconel 625 be reviewed for disc springs?
Inconel 625 is worth reviewing when chloride media, seawater, sour service or chemical corrosion risk is a stronger driver than maximum precipitation-hardened spring strength. For custom nickel alloy 625 springs, media compatibility and allowable working stress should be checked before geometry is frozen.
Should I specify Inconel 718 by default for severe service?
It is a strong starting point, especially for custom Alloy 718 springs in HPHT, valve and aerospace programs, but the final alloy should still match the real media, temperature and maintenance interval rather than defaulting only from industry habit.
Which nickel alloy springs are most common for HPHT valve and offshore service?
Inconel X-750, Inconel 625, Inconel 718 and Nimonic 90 are common review candidates, with the final choice depending on corrosion media, temperature, strength, creep and preload-retention needs.
Can custom Alloy 718 springs be supplied for valve and aerospace projects?
Yes. Custom Alloy 718 spring and Belleville washer programs can be reviewed around the target load curve, stack height, temperature band, corrosion exposure, cycle duty and approval documentation required by the application.
When should Nimonic 90 elastic components be considered?
Nimonic 90 is worth reviewing when elevated-temperature creep resistance, stress-rupture behavior and long-term load stability are more important than ordinary room-temperature strength.
What information helps choose between Inconel 625, Inconel 718 and Nimonic 90?
Share the media, normal and peak temperature, hold time under load, target spring load, cycle count and failure consequence. These inputs usually decide whether corrosion resistance, strength or creep resistance should lead the material choice.
Are Inconel nickel alloy springs supplied only as standard DIN sizes?
No. Standard DIN 2093 geometry is available, but many severe-service projects need custom nickel alloy Belleville washers or elastic components based on drawings, stack height, target load curve and qualification requirements.
What should be included in a nickel alloy disc spring RFQ?
Include drawing or OD, ID and thickness, preferred alloy, media, normal and peak temperature, target load, working deflection, cycle count, stack space, quantity and any test or certificate requirements. For RFQs involving custom Alloy 718 springs, custom nickel alloy 625 springs or disc spring replacement, this information helps FeTech review the inquiry as a purchasing-ready project rather than a generic material question.
Which nickel alloy spring requests can FeTech review?
FeTech can review custom alloy 718 springs, custom nickel alloy 625 springs, nickel alloy disc springs, Inconel 718 disc springs, Inconel 625 springs, Nimonic 90 springs and high temperature nickel alloy springs.