Inconel X-750 Extension Springs Reference Data: 16 catalog-backed reference configurations are available for sizing review. Use the ranges below to compare the starting envelope before submitting a drawing for final quotation.
- Wire diameter
- 0.15-3 mm (0.0059-0.1181 in)
- Outside diameter
- 1.24-37.36 mm (0.0488-1.4709 in)
- Inside diameter
- 0.94-31.36 mm (0.037-1.2346 in)
- Free length
- 4.06-137.83 mm (0.1598-5.4264 in)
- Spring rate
- 0.045-5.328 N/mm
- Maximum load
- 0.19-38.3 N
Catalog rows are reference configurations for custom design review. Final dimensions, loads, tolerances and material certifications are confirmed during quotation.
Products Represented in This Data
These rows show which product designs are represented in the reference data. Open the matching product for geometry, quotation inputs, application guidance and RFQ details.
- English-Hook Extension Springs3 matching rowsEnglish-Hook Extension Springs Application Guide
- German-Hook Extension Springs3 matching rowsGerman-Hook Extension Springs Application Guide
- Offset-Hook Extension Springs2 matching rowsOffset-Hook Extension Springs Application Guide
- Round-Hook Extension Springs8 matching rowsRound-Hook Extension Springs Application Guide
Related Spring Design Guides
Use these guides to define the working dimensions, loads and quotation requirements.
Engineering Material Reference
Inconel X-750 extension springs reference data combines the published material properties with matching rows from the Spring Finder catalog. Use the product links in the table for product-specific design and quotation details.
| Primary grade | UNS N07750/ EN 2.4669 |
|---|---|
| Standards | ASTM B637; AMS 5698/ 5699; UNS N07750 |
| Corrosion behavior | strong corrosion resistance in elevated-temperature, chemical or sour-service environments, depending on the alloy |
| Temperature note | high-temperature service is possible, subject to the selected alloy, stress level and heat treatment |
| Tensile strength | 1000-1700 MPa |
| Elastic modulus | 214 GPa |
| Shear modulus | 79 GPa |
| Density | 8.28 g/cm3 |
Matching Reference Configurations
| Model | Product | Wire / thickness | OD | ID | Free length | Rate (N/mm) | Material | Max load (N) |
|---|---|---|---|---|---|---|---|---|
| SE-015-0012-0055-0584 | Round-Hook Extension Springs | 0.15 mm | 1.24 mm | 0.94 mm | 5.47 mm | 0.144 | Inconel X-750 | 0.26 |
| SE-020-0018-0041-0532 | Round-Hook Extension Springs | 0.2 mm | 1.85 mm | 1.45 mm | 4.06 mm | 0.338 | Inconel X-750 | 0.71 |
| SE-020-0027-0069-0497 | Round-Hook Extension Springs | 0.2 mm | 2.71 mm | 2.31 mm | 6.94 mm | 0.045 | Inconel X-750 | 0.19 |
| SE-040-0032-0227-0577 | Offset-Hook Extension Springs | 0.4 mm | 3.2 mm | 2.4 mm | 22.67 mm | 0.274 | Inconel X-750 | 1.78 |
| SE-050-0053-0133-0562 | German-Hook Extension Springs | 0.5 mm | 5.28 mm | 4.28 mm | 13.32 mm | 0.372 | Inconel X-750 | 1.47 |
| SE-050-0069-0132-0512 | Round-Hook Extension Springs | 0.5 mm | 6.92 mm | 5.92 mm | 13.23 mm | 0.159 | Inconel X-750 | 0.66 |
| SE-060-0043-0256-0424 | English-Hook Extension Springs | 0.6 mm | 4.26 mm | 3.06 mm | 25.56 mm | 0.829 | Inconel X-750 | 4.87 |
| SE-080-0050-0577-0565 | Offset-Hook Extension Springs | 0.8 mm | 5.01 mm | 3.41 mm | 57.74 mm | 0.916 | Inconel X-750 | 10.58 |
| SE-100-0057-0335-0548 | Round-Hook Extension Springs | 1 mm | 5.74 mm | 3.74 mm | 33.47 mm | 4.067 | Inconel X-750 | 26.14 |
| SE-100-0067-0308-0516 | Round-Hook Extension Springs | 1 mm | 6.74 mm | 4.74 mm | 30.82 mm | 2.869 | Inconel X-750 | 20.54 |
| SE-120-0070-0345-0500 | Round-Hook Extension Springs | 1.2 mm | 6.99 mm | 4.59 mm | 34.48 mm | 5.328 | Inconel X-750 | 38.3 |
| SE-120-0074-0825-0476 | German-Hook Extension Springs | 1.2 mm | 7.44 mm | 5.04 mm | 82.54 mm | 1.513 | Inconel X-750 | 20.82 |
| SE-180-0139-0994-0559 | German-Hook Extension Springs | 1.8 mm | 13.87 mm | 10.27 mm | 99.4 mm | 1.441 | Inconel X-750 | 27.51 |
| SE-300-0327-0826-0477 | English-Hook Extension Springs | 3 mm | 32.74 mm | 26.74 mm | 82.55 mm | 2.055 | Inconel X-750 | 33.08 |
| SE-300-0344-1378-0586 | Round-Hook Extension Springs | 3 mm | 34.35 mm | 28.35 mm | 137.83 mm | 0.77 | Inconel X-750 | 17.76 |
| SE-300-0374-0701-0560 | English-Hook Extension Springs | 3 mm | 37.36 mm | 31.36 mm | 70.13 mm | 1.517 | Inconel X-750 | 25.31 |
Using This Material Data
processing and heat treatment are grade-specific and should be confirmed from the drawing, target force and operating environment
Need to choose between grades? Material selection belongs in the Materials section rather than this data page. Open Nickel & High-Temperature Spring Alloys →
CustomSprings Engineering Catalog
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Send your dimensions, quantity and drawing for engineering review.
Frequently Asked Questions
Can CustomSprings manufacture springs in Inconel X-750?
The material is included in the CustomSprings material library for RFQ screening. Final feasibility depends on wire or strip form, size, heat treatment, load, environment and quantity.
Does the material page guarantee certified properties?
No. The material values are engineering reference data. Certified properties or test reports must be specified during production quotation.
What if there are no matching reference rows?
Use the RFQ form with your drawing and application data. The material can still be reviewed as a made-to-drawing option.