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RG Die springs

RG Die springs

Tech Drawing - RG Die springs
Go to technical information

We’ll usually dispatch your order the same day with expected delivery within 2-4 days. This applies to all stocked die springs

See quantity discounts and prices by clicking on the shopping cart next to the required product.

Use the range sliders below to navigate around our large selection of RG die springs quickly and easily.

What is a RG die spring?
 

Die springs function like conventional compression springs. The more it is compressed, the more energy it releases. A die spring is produced from a rectangular spring wire, which provides greater force than ordinary round spring wire. Based on the rectangular shape and unique coating of the wire, RG die springs can cope with heavy loads. The RG series of die springs is made from an extremely strong Chrome-Vanadium alloy in accordance with the DIN-17225 (SAE 6150) standard. The wire is then shot peened and heat-treated to increase the tensile strength and durability.

Characteristic of die springs is the significant force produced and a short spring travel. Virtually every size of die spring is divided into 4 colour categories, which are based on the force and travel of the die spring. See the colour groups under the table.

If a spring with either more or less force is required, a spring with the same dimensions – but with a different colour code – can be used, as the spring has the same installation dimensions.

Please note that the colour code is not the same for RG and ISO die springs.

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Shop By
Shopping Options
Dh - Min. hole (in)
Dd - Max shaft (in)
L0 - Unloaded length (in)
R - Spring constant (lb/in)
S1 - Travel at F1 (in)
L1 - Length at F1 (in)
F1 - Force in N at S1 (lbs)
Sn - Maximum travel (in)
Ln - Max. loaded length (in)
Fn - Maximum load at Ln (lbs)
Color
Color (new)

Items 1-10 of 374

Set Descending Direction
View prices - Add to Cart Dh
Min. hole (in)		 Dd
Max shaft (in)		 L0
Unloaded length (in)		 R
Spring constant (lb/in)		 S1
Travel at F1 (in)		 L1
Length at F1 (in)		 F1
Force in N at S1 (lbs)		 Sn
Maximum travel (in)		 Ln
Max. loaded length (in)		 Fn
Maximum load at Ln (lbs)		 SKU Stock Tech Drawing Read More 3D CAD
0.3752 0.1870 1.0000 59.9565 0.2500 0.7500 15.0622 0.4701 0.5299 28.1011 ST50300 ST50300
0.3752 0.1870 1.0000 90.2203 0.2000 0.8000 17.9847 0.3500 0.6500 31.4733 ST50310 ST50310
0.3752 0.1870 1.0000 110.2058 0.1500 0.8500 16.6359 0.2701 0.7299 29.6748 ST50320 ST50320
0.3752 0.1870 1.0000 219.8407 0.1500 0.8500 33.0469 0.2299 0.7701 50.5820 ST50330 ST50330
0.3752 0.1870 1.2500 54.2464 0.3126 0.9374 16.8607 0.5874 0.6626 31.9229 ST50340 ST50340
0.3752 0.1870 1.2500 73.0899 0.2500 1.0000 18.2095 0.4374 0.8126 31.9229 ST50350 ST50350
0.3752 0.1870 1.2500 98.2145 0.1874 1.0626 18.4343 0.3374 0.9126 33.0469 ST50360 ST50360
0.3752 0.1870 1.2500 146.1798 0.1874 1.0626 27.4267 0.2874 0.9626 42.0393 ST50370 ST50370
0.3752 0.1870 1.5000 39.9710 0.3752 1.1252 15.0622 0.7051 0.7949 28.1011 ST50380 ST50380
0.3752 0.1870 1.5000 66.8087 0.3000 1.2000 20.0080 0.5252 0.9748 35.0702 ST50390 ST50390
  1. ST50300
    In stock: 564
    ST50300
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.0000
    R - Spring constant (lb/in) 59.9565
    S1 - Travel at F1 (in) 0.2500
    L1 - Length at F1 (in) 0.7500
    F1 - Force in N at S1 (lbs) 15.0622
    Sn - Maximum travel (in) 0.4701
    Ln - Max. loaded length (in) 0.5299
    Fn - Maximum load at Ln (lbs) 28.1011
  2. ST50310
    In stock: 240
    ST50310
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.0000
    R - Spring constant (lb/in) 90.2203
    S1 - Travel at F1 (in) 0.2000
    L1 - Length at F1 (in) 0.8000
    F1 - Force in N at S1 (lbs) 17.9847
    Sn - Maximum travel (in) 0.3500
    Ln - Max. loaded length (in) 0.6500
    Fn - Maximum load at Ln (lbs) 31.4733
  3. ST50320
    In stock: 235
    ST50320
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.0000
    R - Spring constant (lb/in) 110.2058
    S1 - Travel at F1 (in) 0.1500
    L1 - Length at F1 (in) 0.8500
    F1 - Force in N at S1 (lbs) 16.6359
    Sn - Maximum travel (in) 0.2701
    Ln - Max. loaded length (in) 0.7299
    Fn - Maximum load at Ln (lbs) 29.6748
  4. ST50330
    In stock: 139
    ST50330
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.0000
    R - Spring constant (lb/in) 219.8407
    S1 - Travel at F1 (in) 0.1500
    L1 - Length at F1 (in) 0.8500
    F1 - Force in N at S1 (lbs) 33.0469
    Sn - Maximum travel (in) 0.2299
    Ln - Max. loaded length (in) 0.7701
    Fn - Maximum load at Ln (lbs) 50.5820
  5. ST50340
    In stock: 423
    ST50340
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.2500
    R - Spring constant (lb/in) 54.2464
    S1 - Travel at F1 (in) 0.3126
    L1 - Length at F1 (in) 0.9374
    F1 - Force in N at S1 (lbs) 16.8607
    Sn - Maximum travel (in) 0.5874
    Ln - Max. loaded length (in) 0.6626
    Fn - Maximum load at Ln (lbs) 31.9229
  6. ST50350
    In stock: 206
    ST50350
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.2500
    R - Spring constant (lb/in) 73.0899
    S1 - Travel at F1 (in) 0.2500
    L1 - Length at F1 (in) 1.0000
    F1 - Force in N at S1 (lbs) 18.2095
    Sn - Maximum travel (in) 0.4374
    Ln - Max. loaded length (in) 0.8126
    Fn - Maximum load at Ln (lbs) 31.9229
  7. ST50360
    In stock: 83
    ST50360
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.2500
    R - Spring constant (lb/in) 98.2145
    S1 - Travel at F1 (in) 0.1874
    L1 - Length at F1 (in) 1.0626
    F1 - Force in N at S1 (lbs) 18.4343
    Sn - Maximum travel (in) 0.3374
    Ln - Max. loaded length (in) 0.9126
    Fn - Maximum load at Ln (lbs) 33.0469
  8. ST50370
    In stock: 172
    ST50370
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.2500
    R - Spring constant (lb/in) 146.1798
    S1 - Travel at F1 (in) 0.1874
    L1 - Length at F1 (in) 1.0626
    F1 - Force in N at S1 (lbs) 27.4267
    Sn - Maximum travel (in) 0.2874
    Ln - Max. loaded length (in) 0.9626
    Fn - Maximum load at Ln (lbs) 42.0393
  9. ST50380
    In stock: 377
    ST50380
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.5000
    R - Spring constant (lb/in) 39.9710
    S1 - Travel at F1 (in) 0.3752
    L1 - Length at F1 (in) 1.1252
    F1 - Force in N at S1 (lbs) 15.0622
    Sn - Maximum travel (in) 0.7051
    Ln - Max. loaded length (in) 0.7949
    Fn - Maximum load at Ln (lbs) 28.1011
  10. ST50390
    In stock: 312
    ST50390
    Dh - Min. hole (in) 0.3752
    Dd - Max shaft (in) 0.1870
    L0 - Unloaded length (in) 1.5000
    R - Spring constant (lb/in) 66.8087
    S1 - Travel at F1 (in) 0.3000
    L1 - Length at F1 (in) 1.2000
    F1 - Force in N at S1 (lbs) 20.0080
    Sn - Maximum travel (in) 0.5252
    Ln - Max. loaded length (in) 0.9748
    Fn - Maximum load at Ln (lbs) 35.0702
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SAE-AISI 9254 (G92540) Silicon-Chromium Steel. The wire is pulled extra fine, heat-treated and shot peened..
Working temperature between -328 ºF and +328 ºF..
RG die springs are made from an extremely strong Chrome-Vanadium alloy in accordance with DIN-17225 (SAE 6150).
These springs are not stainless steel.

There are no tolerances for RG die springs. They just need to stay within the minimum hole (Dh) and maximum shaft (Dd) dimensions.

If you want a PDF datasheet or a 3D CAD drawing of the spring in .step, .iges or .sat format, these can be downloaded for free by clicking on the 3D CAD symbol next to the item number in the table.

The colour labelling is done by powder coating without a special protection from corrosion.

Blue
Minimun load - Longest travel
Red
Medium load - medium travel
Bronze
High load - short travel
Green
Particularly high load - shortest travel

Usually right. The force and application is not affected by the direction of wind.

Standard die springs are not defined with a specific direction of wind. Depending on production, the springs may be either right or left wound.

The service life of a spring is generally very difficult to define. A large number of parameters come into play, and it is therefore impossible to define a service life. Parameters with a significant influence on service life include: Installation, installation method, number of movements, vibrations, shocks, torsion, length of travel, non-axial travel, temperature, wear against other surfaces, environment of use, any cleaning agents, lateral impacts, etc.

The maximum force (Fn) and/or maximum travel (Sn) should not be exceeded, as this reduces the service life significantly. To avoid uncontrolled dynamic stress, die springs should always be fitted with a specific initial tension.

The longest service life is achieved with load and travel of max. 25% of the free length (L0).

If die springs in cars or other applications are fitted or replaced with our die springs, Sodemann Industrifjedre A/S cannot be held responsible for any differences in performance or damage.

This also applies to customers who visit Sodemann Industrifjedre A/S and get help and/or guidance.

It is not possible to get custom-made die springs.

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