Drawing or envelope
Send OD, ID, thickness, free height, stack height, guide clearance and available installation space.
Custom Alloy 718 & Inconel 625 Springs
Request custom Alloy 718 springs, custom nickel alloy 625 springs, Inconel X-750 and Nimonic 90 spring quotes for HPHT, offshore and corrosion service.
Engineered for Reliable Load Control
Request custom Alloy 718 springs, custom nickel alloy 625 springs, Inconel X-750 and Nimonic 90 spring quotes for HPHT, offshore and corrosion service.
- 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. If the search term is custom Alloy 718 springs or custom nickel alloy 625 springs, add whether the part is a disc spring, Belleville washer, wave spring or another elastic component so the first reply can be technical rather than a clarification email.
Related Technical Guides
Nickel Alloy Guide
Custom Alloy 718 & Inconel 625 Disc Springs
Compare and request custom Alloy 718 springs, Inconel 625 disc springs, X-750 and Nimonic 90 parts by drawing, load, temperature and corrosion service.
Read GuideMaterial Guide
Custom Alloy 718 / Inconel 718 Disc Springs for HPHT Service
See when custom Alloy 718 springs, Inconel 718 disc springs and Belleville washers make sense for HPHT, valve, offshore and elevated-temperature preload service.
Read GuideNickel Alloy Comparison
Inconel 718 vs X-750 Disc Springs | Custom RFQ Guide
Compare and request Inconel 718 or X-750 disc springs for HPHT valves, offshore equipment and high-temperature preload. Send drawing and operating data.
Read GuideSevere Corrosion Guide
Custom Alloy C276 & Hastelloy C-276 Disc Springs
Request custom Alloy C276 disc springs and Hastelloy C-276 Belleville washers for chloride, acid, scrubber and valve service. Send drawing, load and media.
Read GuideEngineering Guide
Disc Spring Material Selection
Compare spring steel, stainless steel and nickel alloy options for disc springs based on corrosion, temperature, fatigue and industrial application priorities.
Read GuideBuyer Guide
Disc Spring RFQ Checklist | Size, Load & Material
Prepare a disc spring RFQ with drawing or size, load, deflection, stack, material, quantity and certificate needs.
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.