Spring Type Spring Type |
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 | Extension |
System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Thickness Thickness |
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Heat Treatment Heat Treatment |
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Shape Shape |
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 | Sheet and Bar |
Hardness Hardness |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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End Type End Type |
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 | Carabiner |
Fabrication Fabrication |
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Appearance Appearance |
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Yield Strength Yield Strength |
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Carabiner Length Carabiner Length |
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Color Color |
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 | Blue |
Carabiner Opening Width Carabiner Opening Width |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
Extra-Stretch Extension Springs
These fabric-covered rubber springs stretch up to three times their original length—much farther than traditional extension springs, tie downs, and shock cords. All have carabiner ends with spring-loaded latch openings. Do not use to hold overhead loads.
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch of extension.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | Carabiner | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Extended Lg. @ Max. Load | Min. | Max. | Rate, lbs./in. | Material | Sleeve Material | Lg. | Opening Wd. | Material | Temperature Range, °F | Each | |
24" Lg. | ||||||||||||
| 1" | 60" | Not Rated | 33 | 0.92 | Latex Rubber | Polypropylene Fabric | 2" | 5/16" | Zinc-Plated Steel | 30° to 130° | 0000000 | 000000 |
| 1.75" | 60" | Not Rated | 47 | 1.31 | Latex Rubber | Polypropylene Fabric | 2" | 5/16" | Zinc-Plated Steel | 30° to 130° | 0000000 | 00000 |
| 1.75" | 60" | Not Rated | 77 | 2.14 | Latex Rubber | Polypropylene Fabric | 2" | 5/16" | Zinc-Plated Steel | 30° to 130° | 0000000 | 00000 |
Wear-Resistant 1095 Spring Steel Sheets and Strips
- Yield Strength: Not Rated
- Hardness: Rockwell C50 (Very Hard)
1095 spring steel has a higher carbon content than 1075 spring steel for better wear resistance. It is often fabricated into parts that will be used under continual stress, such as spring clips and washers. This material is also known as blue-tempered steel.
| Wd. | Lg., ft. | Heat Treatment | Mechanical Finish | Color | Each | |
0.004" Thick. (-0.001" to 0.001" Tolerance) | ||||||
|---|---|---|---|---|---|---|
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 000000 |
0.005" Thick. (-0.001" to 0.001" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
0.008" Thick. (-0.001" to 0.001" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
0.01" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.015" Thick. (-0.001" to 0.001" Tolerance) | ||||||
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 10" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.02" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 10" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.025" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 10" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.028" Thick. (-0.003" to 0.003" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
0.03" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
0.032" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 10" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.035" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 8" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.042" Thick. (-0.002" to 0.002" Tolerance) | ||||||
| 4" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 6" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.05" Thick. (-0.003" to 0.003" Tolerance) | ||||||
| 3" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 4" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
0.062" Thick. (-0.003" to 0.003" Tolerance) | ||||||
| 2 1/2" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 3" | 2 | Hardened | Polished | Blue | 00000000 | 00000 |
| 12 3/8" | 2 | Hardened | Polished | Blue | 0000000 | 00000 |
Easy-to-Form Wear-Resistant 1095 Spring Steel Sheets
- Yield Strength: 60,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C66
These sheets have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties. 1095 spring steel has a higher carbon content than 1075 spring steel for better wear resistance. It is often fabricated into parts that will be used under continual stress, such as spring clips and washers.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
8" × 24" | |||||
|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Heat Treatment | Flatness Tolerance | Each | |
| 0.025" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 000000 |
| 0.032" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.035" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.042" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.05" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
Easy-to-Form Wear-Resistant 1095
Spring Steel Sheets with Certification
- Yield Strength: 60,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C66
All come with a traceable lot number and material test report. They have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties. 1095 spring steel has a higher carbon content than 1075 spring steel for better wear resistance. It is often fabricated into parts that will be used under continual stress, such as spring clips and washers.
8" × 24" | |||||
|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Heat Treatment | Flatness Tolerance | Each | |
| 0.025" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 000000 |
| 0.032" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.035" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.042" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.05" | -0.002" to 0.002" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
1075 Spring Steel Strips
- Yield Strength: Not Rated
- Hardness: Rockwell C45 (Hard)
1075 spring steel is easier to bend than 1095, but it has less bounce-back after heat treating. It is often used for springs and shims. This material is also known as scaleless blue steel.
Easy-to-Form 1075 Spring Steel Sheets
- Yield Strength: 50,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C64
- Specifications Met: ASTM A684
These sheets have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties. 1075 spring steel is easier to bend than 1095, but it has less bounce-back after heat treating. It is often used for springs and shims.
8" × 24" | |||||
|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Heat Treatment | Flatness Tolerance | Each | |
| 0.025" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 000000 |
| 0.032" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.035" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.042" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.05" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
Easy-to-Form 1075 Spring Steel Sheets with Certification
- Yield Strength: 50,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C64
- Specifications Met: ASTM A684
Each sheet comes with a traceable lot number and test report. They have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties. 1075 spring steel is easier to bend than 1095, but it has less bounce-back after heat treating. It is often used for springs and shims.
8" × 24" | |||||
|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Heat Treatment | Flatness Tolerance | Each | |
| 0.025" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 000000 |
| 0.032" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.035" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.042" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.05" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.062" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.072" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.083" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.094" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.109" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 1/8" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 00000 |
| 0.187" | -0.003" to 0.003" | Annealed (Softened) | 3/8" | 0000000 | 000000 |