Thickness Thickness |
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Material Material |
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Tolerance Rating Tolerance Rating |
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Fabrication Fabrication |
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Hardness Rating Hardness Rating |
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Yield Strength Yield Strength |
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Maximum Hardness After Heat Treatment Maximum HardnessAfter Heat Treatment |
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Certificate Certificate |
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 | Material Certificate with Traceable Lot Number |
Specifications Met Specifications Met |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
About Tool Steel
More
Low-Carbon Steel Sheets and Bars
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
- Yield Strength: 34,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
| Wd., mm | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
2 mm Thick. (-0.06 to 0 mm Tolerance) | ||||
|---|---|---|---|---|
| 6 | 0000000 | |||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
3 mm Thick. (-0.06 to 0 mm Tolerance) | ||||
| 6 | 0000000 | |||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
4 mm Thick. (-0.075 to 0 mm Tolerance) | ||||
| 6 | 0000000 | |||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
5 mm Thick. (-0.075 to 0 mm Tolerance) | ||||
| 6 | 0000000 | |||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
6 mm Thick. (-0.075 to 0 mm Tolerance) | ||||
| 6 | 0000000 | |||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
8 mm Thick. (-0.09 to 0 mm Tolerance) | ||||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
| 50 | 0000000 | |||
10 mm Thick. (-0.09 to 0 mm Tolerance) | ||||
| 12 | 0000000 | |||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
| 50 | 0000000 | |||
15 mm Thick. (-0.11 to 0 mm Tolerance) | ||||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
| 50 | 0000000 | |||
20 mm Thick. (-0.13 to 0 mm Tolerance) | ||||
| 20 | 0000000 | |||
| 25 | 0000000 | |||
| 50 | 0000000 | |||
25 mm Thick. (-0.13 to 0 mm Tolerance) | ||||
| 25 | 0000000 | |||
| 50 | 0000000 | |||
Tight-Tolerance Low-Carbon Steel Bars
With a thickness that's precision ground to a tight tolerance, these bars are sometimes called flat stock. Low-carbon steel, also known as mild steel, is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
- Yield Strength: 36,000 psi
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C65
| Wd., mm | Mechanical Finish | 1 ft. Lg. | 2 ft. Lg. | |
3 mm Thick. (-0.025 to 0.025 mm Tolerance) | ||||
|---|---|---|---|---|
| 10 | Precision Ground | 00000000 | ||
| 15 | Precision Ground | 00000000 | ||
| 20 | Precision Ground | 00000000 | ||
| 25 | Precision Ground | 00000000 | ||
4 mm Thick. (-0.025 to 0.025 mm Tolerance) | ||||
| 10 | Precision Ground | 00000000 | ||
| 15 | Precision Ground | 00000000 | ||
| 20 | Precision Ground | 00000000 | ||
| 25 | Precision Ground | 00000000 | ||
5 mm Thick. (-0.025 to 0.025 mm Tolerance) | ||||
| 10 | Precision Ground | 00000000 | ||
| 15 | Precision Ground | 00000000 | ||
| 20 | Precision Ground | 00000000 | ||
| 25 | Precision Ground | 00000000 | ||
10 mm Thick. (-0.025 to 0.025 mm Tolerance) | ||||
| 10 | Precision Ground | 00000000 | ||
| 15 | Precision Ground | 00000000 | ||
| 20 | Precision Ground | 00000000 | ||
| 25 | Precision Ground | 00000000 | ||
Tight-Tolerance Multipurpose Oil-Hardening
O1 Tool Steel Sheets and Bars
Also known as flat stock, these precision-ground sheets and bars are held to a tight thickness tolerance. Often used for dies, punches, and gauges, O1 tool steel is an oil-hardening material that resists wear and abrasion.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
- Yield Strength: 80,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C65
- Specifications Met: ASTM A681
3 ft. Lg. | |||||
|---|---|---|---|---|---|
| Wd., mm | Heat Treatment | Mechanical Finish | Flatness Tolerance | Each | |
3 mm Thick. (0 mm to 0.05 mm Tolerance) | |||||
| 15 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
| 25 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 100 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
4 mm Thick. (0 mm to 0.05 mm Tolerance) | |||||
| 15 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 30 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
5 mm Thick. (0 mm to 0.05 mm Tolerance) | |||||
| 15 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 20 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 25 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 30 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
6 mm Thick. (0 mm to 0.05 mm Tolerance) | |||||
| 20 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 25 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 00000 |
| 150 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
10 mm Thick. (0 mm to 0.05 mm Tolerance) | |||||
| 15 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
| 20 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
| 25 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
| 40 | Annealed (Softened) | Precision Ground | 0.005" per ft. | 0000000 | 000000 |
Shim Stock
Cut it into custom shapes to fit your application.
For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like copper or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment. Metal shims include a material certificate with traceable lot number and test report.
Carbon steel shim stock has excellent strength and can be welded, but isn't as corrosion resistant as other shims.
| Thick. | Thick. Tolerance | Min. Hardness | Temper Rating | Certification | Specifications Met | Each | |
150mm Wd. × 2,500mm Lg. | |||||||
|---|---|---|---|---|---|---|---|
| 0.05mm | -0.0025mm to 0.0025mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 000000 |
| 0.1mm | -0.005mm to 0.005mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.15mm | -0.0075mm to 0.0075mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.2mm | -0.01mm to 0.01mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.25mm | -0.0125mm to 0.0125mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.3mm | -0.015mm to 0.015mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.4mm | -0.02mm to 0.02mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.5mm | -0.025mm to 0.025mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.65mm | -0.0325mm to 0.0325mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |
| 0.8mm | -0.04mm to 0.04mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number and Test Report | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 00000 |