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65Mn Spring Steel Compression Springs Reference Data

Engineering reference data for this material, with published properties and catalog-backed configurations where verified rows are available.

65Mn Spring Steel Compression Springs Reference Data: 32 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
0.2-12 mm (0.0079-0.4724 in)
Outside diameter
2.28-152.9 mm (0.0898-6.0197 in)
Inside diameter
1.88-128.9 mm (0.074-5.0748 in)
Free length
2.54-350.89 mm (0.1-13.8146 in)
Spring rate
0.097-397.636 N/mm
Maximum load
0.07-11257.06 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.

Engineering Material Reference

65Mn Spring Steel compression 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 gradeGB/ T 1222 65Mn
StandardsGB/ T 1222; Chinese grade;SAE 1065/ EN C67Sapproximate family only
Corrosion behaviorlow in bare condition; specify passivation, phosphate, zinc, black oxide, oil or coating when corrosion protection is required
Temperature notescreening range -40 to 120 C, to be confirmed against final stress and environment
Tensile strength900-1700 MPa
Elastic modulus200-210 GPa
Shear modulus77-82 GPa
Density7.85 g/cm3

Matching Reference Configurations

ModelProductWire / thicknessODIDFree lengthRate (N/mm)MaterialMax load (N)
SC-020-0023-0052-0260Tower-Shaped Compression Springs0.2 mm2.28 mm1.88 mm5.24 mm0.165Mn Spring Steel0.11
SC-020-0028-0025-0412Variable-Diameter Compression Springs0.2 mm2.76 mm2.36 mm2.54 mm0.14565Mn Spring Steel0.07
SC-040-0041-0142-0237Conical Compression Springs0.4 mm4.1 mm3.3 mm14.21 mm0.18465Mn Spring Steel0.31
SC-050-0072-0107-0077Cylindrical Compression Springs0.5 mm7.17 mm6.17 mm10.72 mm0.16465Mn Spring Steel0.35
SC-050-0077-0140-0101Conical Compression Springs0.5 mm7.69 mm6.69 mm14.04 mm0.09765Mn Spring Steel0.31
SC-060-0035-0130-0345Conical Compression Springs0.6 mm3.5 mm2.3 mm13.05 mm4.16565Mn Spring Steel11.2
SC-060-0084-0153-0169Tower-Shaped Compression Springs0.6 mm8.35 mm7.15 mm15.31 mm0.1465Mn Spring Steel0.33
SC-100-0055-0234-0057Cylindrical Compression Springs1 mm5.52 mm3.52 mm23.35 mm6.04265Mn Spring Steel16.98
SC-150-0096-0248-0354Variable-Diameter Compression Springs1.5 mm9.6 mm6.6 mm24.82 mm10.5765Mn Spring Steel67.43
SC-150-0139-0451-0384Conical Compression Springs1.5 mm13.89 mm10.89 mm45.06 mm1.22865Mn Spring Steel10.7
SC-150-0178-0571-0393Conical Compression Springs1.5 mm17.78 mm14.78 mm57.14 mm0.44165Mn Spring Steel3.82
SC-150-0208-0156-0334Cylindrical Compression Springs1.5 mm20.77 mm17.77 mm15.63 mm1.12765Mn Spring Steel2.97
SC-200-0153-0788-0072Conical Compression Springs2 mm15.34 mm11.34 mm78.84 mm2.48365Mn Spring Steel32.04
SC-200-0236-0526-0103Variable-Diameter Compression Springs2 mm23.56 mm19.56 mm52.58 mm0.97365Mn Spring Steel9.77
SC-250-0254-0598-0323Conical Compression Springs2.5 mm25.37 mm20.37 mm59.83 mm2.05465Mn Spring Steel20.58
SC-300-0235-0426-0363Tower-Shaped Compression Springs3 mm23.5 mm17.5 mm42.61 mm14.50765Mn Spring Steel210.79
SC-300-0409-0980-0218Variable-Diameter Compression Springs3 mm40.92 mm34.92 mm97.97 mm0.59465Mn Spring Steel8.79
SC-350-0277-1274-0221Conical Compression Springs3.5 mm27.66 mm20.66 mm127.42 mm4.9165Mn Spring Steel202.99
SC-350-0289-1436-0134Variable-Diameter Compression Springs3.5 mm28.94 mm21.94 mm143.64 mm3.86365Mn Spring Steel155.36
SC-400-0437-0360-0243Conical Compression Springs4 mm43.71 mm35.71 mm36.04 mm9.38965Mn Spring Steel63.09
SC-500-0363-2164-0297Tower-Shaped Compression Springs5 mm36.26 mm26.26 mm216.35 mm7.86265Mn Spring Steel511.4
SC-500-0403-0862-0406Conical Compression Springs5 mm40.27 mm30.27 mm86.16 mm12.23265Mn Spring Steel177.37
SC-500-0564-0426-0176Conical Compression Springs5 mm56.37 mm46.37 mm42.55 mm9.68765Mn Spring Steel62.97
SC-600-0821-0715-0389Variable-Diameter Compression Springs6 mm82.09 mm70.09 mm71.53 mm3.54365Mn Spring Steel39.75
SC-700-0688-2533-0283Cylindrical Compression Springs7 mm68.85 mm54.85 mm253.34 mm4.61865Mn Spring Steel265.63
SC-700-0715-3341-0266Tower-Shaped Compression Springs7 mm71.46 mm57.46 mm334.14 mm3.1565Mn Spring Steel290.36
SC-700-0870-0458-0337Cylindrical Compression Springs7 mm87.05 mm73.05 mm45.76 mm14.44465Mn Spring Steel121.48
SC-800-0516-1327-0280Conical Compression Springs8 mm51.58 mm35.58 mm132.67 mm61.8665Mn Spring Steel2277.06
SC-1000-1061-2786-0152Conical Compression Springs10 mm106.12 mm86.12 mm278.56 mm5.94665Mn Spring Steel337.4
SC-1200-0621-1040-0112Cylindrical Compression Springs12 mm62.08 mm38.08 mm103.98 mm397.63665Mn Spring Steel11257.06
SC-1200-0805-1777-0420Cylindrical Compression Springs12 mm80.49 mm56.49 mm177.74 mm57.94165Mn Spring Steel968.2
SC-1200-1529-3509-0211Tower-Shaped Compression Springs12 mm152.9 mm128.9 mm350.89 mm3.93665Mn Spring Steel245.31

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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Frequently Asked Questions

Can CustomSprings manufacture springs in 65Mn Spring Steel?

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.