Carbon Spring Steel Wire (SWC) Springs Reference Data

Carbon Spring Steel Wire (SWC) Spring Material Reference Data: 71 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: 0.15-12 mm (0.0059-0.4724 in)
Outside diameter: 1.26-154.13 mm (0.0496-6.0681 in)
Inside diameter: 0.96-130.13 mm (0.0378-5.1232 in)
Free length: 0.96-457.08 mm (0.0378-17.9953 in)
Spring rate: 0.009-135.069 N/mm
Maximum load: 0.01-6890.19 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.

Conical Compression Springs11 matching rowsConical Compression Springs Application Guide
Custom-Shaped Springs2 matching rowsCustom-Shaped Springs Application Guide
Cylindrical Compression Springs9 matching rowsCylindrical Compression Springs Application Guide
Double-Leg Torsion Springs5 matching rowsDouble-Leg Torsion Springs Application Guide
English-Hook Extension Springs2 matching rowsEnglish-Hook Extension Springs Application Guide
German-Hook Extension Springs2 matching rowsGerman-Hook Extension Springs Application Guide
Hairpin Springs3 matching rowsHairpin Springs Application Guide
Offset-Hook Extension Springs2 matching rowsOffset-Hook Extension Springs Application Guide
Round-Hook Extension Springs6 matching rowsRound-Hook Extension Springs Application Guide
Single-Leg Torsion Springs2 matching rowsSingle-Leg Torsion Springs Application Guide
Straight-Leg Torsion Springs7 matching rowsStraight-Leg Torsion Springs Application Guide
Torsion Bar Springs5 matching rowsTorsion Bar Springs Application Guide

Engineering Material Reference

Carbon Spring Steel Wire (SWC) is included here as an engineering material reference. This page summarizes published material properties and shows catalog-backed spring rows when they exist.

Primary grade	ASTM A227/ EN 10270-1
Standards	ASTM A227; EN 10270-1; JIS G3521; GB/ T 4357
Corrosion behavior	low in bare condition; specify passivation, phosphate, zinc, black oxide, oil or coating when corrosion protection is required
Temperature note	screening range -40 to 120 C, to be confirmed against final stress and environment
Tensile strength	800-2000 MPa
Elastic modulus	200-210 GPa
Shear modulus	77-82 GPa
Density	7.85 g/cm3

Matching Reference Configurations

Model	Product	Wire / thickness	OD	ID	Free length	Rate (N/mm)	Material	Max load (N)
SE-015-0013-0045-0449	Round-Hook Extension Springs	0.15 mm	1.26 mm	0.96 mm	4.5 mm	0.2	Carbon Spring Steel Wire (SWC)	0.65
SE-015-0013-0032-0441	Round-Hook Extension Springs	0.15 mm	1.27 mm	0.97 mm	3.23 mm	0.272	Carbon Spring Steel Wire (SWC)	0.74
SC-020-0029-0061-0196	Cylindrical Compression Springs	0.2 mm	2.88 mm	2.48 mm	6.09 mm	0.034	Carbon Spring Steel Wire (SWC)	0.03
SC-020-0038-0077-0312	Variable-Diameter Compression Springs	0.2 mm	3.84 mm	3.44 mm	7.71 mm	0.011	Carbon Spring Steel Wire (SWC)	0.01
SE-030-0026-0076-0452	Offset-Hook Extension Springs	0.3 mm	2.65 mm	2.05 mm	7.59 mm	0.367	Carbon Spring Steel Wire (SWC)	1.15
ST-030-0031-0059-0608	Double-Leg Torsion Springs	0.3 mm	3.11 mm	2.51 mm	5.87 mm	0.009	Carbon Spring Steel Wire (SWC)	1.16
SW-030-0032-0248-0730	Hairpin Springs	0.3 mm	3.16 mm	2.56 mm	24.81 mm	1.359	Carbon Spring Steel Wire (SWC)	4.58
ST-030-0032-0010-0651	Double-Leg Torsion Springs	0.3 mm	3.23 mm	2.63 mm	0.96 mm	0.049	Carbon Spring Steel Wire (SWC)	7.24
SE-030-0037-0167-0558	Round-Hook Extension Springs	0.3 mm	3.73 mm	3.13 mm	16.72 mm	0.047	Carbon Spring Steel Wire (SWC)	0.23
SW-030-0061-0445-0766	Hairpin Springs	0.3 mm	6.12 mm	5.52 mm	44.5 mm	0.073	Carbon Spring Steel Wire (SWC)	0.59
SC-030-0061-0069-0324	Tower-Shaped Compression Springs	0.3 mm	6.14 mm	5.54 mm	6.88 mm	0.029	Carbon Spring Steel Wire (SWC)	0.05
SW-030-0105-0612-0770	Torsion Bar Springs	0.3 mm	10.46 mm	9.86 mm	61.17 mm	0.011	Carbon Spring Steel Wire (SWC)	0.08
SC-040-0040-0096-0194	Conical Compression Springs	0.4 mm	3.97 mm	3.17 mm	9.6 mm	0.308	Carbon Spring Steel Wire (SWC)	0.45
SC-040-0040-0126-0267	Conical Compression Springs	0.4 mm	4.04 mm	3.24 mm	12.62 mm	0.285	Carbon Spring Steel Wire (SWC)	0.87
SC-040-0042-0183-0115	Variable-Diameter Compression Springs	0.4 mm	4.15 mm	3.35 mm	18.34 mm	0.182	Carbon Spring Steel Wire (SWC)	1.08
SE-040-0049-0206-0440	Offset-Hook Extension Springs	0.4 mm	4.88 mm	4.08 mm	20.56 mm	0.075	Carbon Spring Steel Wire (SWC)	0.49
ST-040-0057-0038-0644	Straight-Leg Torsion Springs	0.4 mm	5.74 mm	4.94 mm	3.75 mm	0.03	Carbon Spring Steel Wire (SWC)	5.32
SE-060-0059-0362-0536	English-Hook Extension Springs	0.6 mm	5.92 mm	4.72 mm	36.21 mm	0.184	Carbon Spring Steel Wire (SWC)	1.65
SC-060-0067-0192-0326	Tower-Shaped Compression Springs	0.6 mm	6.72 mm	5.52 mm	19.21 mm	0.276	Carbon Spring Steel Wire (SWC)	1.06
SE-060-0070-0274-0537	Round-Hook Extension Springs	0.6 mm	7.03 mm	5.83 mm	27.35 mm	0.146	Carbon Spring Steel Wire (SWC)	0.85
SC-080-0055-0134-0257	Cylindrical Compression Springs	0.8 mm	5.52 mm	3.92 mm	13.41 mm	4.778	Carbon Spring Steel Wire (SWC)	18.3
SE-080-0056-0434-0439	Round-Hook Extension Springs	0.8 mm	5.61 mm	4.01 mm	43.36 mm	0.844	Carbon Spring Steel Wire (SWC)	7.54
SW-080-0103-0370-0788	Hairpin Springs	0.8 mm	10.3 mm	8.7 mm	36.97 mm	0.579	Carbon Spring Steel Wire (SWC)	3.55
SW-080-0111-1553-0731	Torsion Bar Springs	0.8 mm	11.13 mm	9.53 mm	155.29 mm	0.45	Carbon Spring Steel Wire (SWC)	17.72
ST-080-0113-0123-0601	Double-Leg Torsion Springs	0.8 mm	11.29 mm	9.69 mm	12.31 mm	0.147	Carbon Spring Steel Wire (SWC)	11.59
SW-080-0173-1254-0787	Custom-Shaped Springs	0.8 mm	17.29 mm	15.69 mm	125.42 mm	0.138	Carbon Spring Steel Wire (SWC)	3.75
SE-100-0113-0716-0544	German-Hook Extension Springs	1 mm	11.26 mm	9.26 mm	71.56 mm	0.162	Carbon Spring Steel Wire (SWC)	1.78
SC-100-0120-0167-0031	Cylindrical Compression Springs	1 mm	12 mm	10 mm	16.74 mm	0.723	Carbon Spring Steel Wire (SWC)	2.75
SW-100-0121-1578-0749	Torsion Bar Springs	1 mm	12.06 mm	10.06 mm	157.8 mm	2.267	Carbon Spring Steel Wire (SWC)	96.15
SC-120-0092-0397-0084	Conical Compression Springs	1.2 mm	9.17 mm	6.77 mm	39.66 mm	1.534	Carbon Spring Steel Wire (SWC)	6.78
ST-120-0165-0106-0673	Single-Leg Torsion Springs	1.2 mm	16.46 mm	14.06 mm	10.56 mm	0.954	Carbon Spring Steel Wire (SWC)	124.43
SC-120-0168-0152-0022	Tower-Shaped Compression Springs	1.2 mm	16.77 mm	14.37 mm	15.25 mm	0.666	Carbon Spring Steel Wire (SWC)	1.95

Using This Material Data

cold coiling or hot coiling, stress relief, shot peening and presetting may be specified; electroplating high-strength steel requires hydrogen-embrittlement controls

Need to choose between grades? Material selection belongs in the Materials section rather than this data page. Open Carbon & Alloy Spring Steels →

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Spring Requirements

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Notes

Frequently Asked Questions

Can CustomSprings manufacture springs in Carbon Spring Steel Wire (SWC)?

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.