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260 Brass Shim Stock, Unpolished (Mill) Finish, Half Hard Temper, 0.001" Thickness, 6" Width, 100" Length
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ASIN B005I5E422
Specifications for this item
- Brand Name
- Small Parts
- Finish
- Unpolished (Mill)
- Grade
- 260
- Item Shape
- Shim Stock
- Length Tolerance
- +1 inches
- Material Type
- Brass
- Overall Length
- 100 inches
- Part Number
- BRS-1
- Pkg Qty
- 1
- Specification Met
- ASTM B19 , SAE-CA 260 , ASTM B36 , QQ-B-613
- System of Measurement
- Inch
- Temper
- H02
- Tensile Strength Max
- 57000 PSI
- Thickness
- 0.001 inches
- Thickness Tolerance
- +/-0.0001 inches
- Tolerance Held
- Standard
- Width
- 6 inches
- Width Tolerance
- +/-0.005 inches
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Key Features
- Brass 260 shim stock can be cut more easily than steel and has good corrosion resistance
- Half-hard temper hardens the material, leaving it moderately flexible and formable
- Conforms to specifications ASTM B19, ASTM B36, SAE-CA 260, and Fed. Spec. QQ-B-613
- Rockwell superficial hardness of 30-T 56 to 58
Package Details
Shipping Weight:
0.3 pounds
Package Size:
7.3 x 3 x 1.6 inches
Product Description
The brass 260 shim stock roll has a half-hard temper for dimensional stability and can be cut more easily than steel shim stock. The material’s 30% nominal zinc content provides increased hardness without affecting the good corrosion resistance of its copper base. This nonmagnetic material, also called cartridge brass, can be brazed and soldered, but may be susceptible to stress corrosion cracking. The half-hard temper has increased the material’s hardness and yield strength ratings, which provides dimensional stability during use but also leaves the material moderately flexible and formable. This roll has a Rockwell superficial hardness rating of 30-T 56 to 58 and conforms to the American Society for Testing and Materials (ASTM) B19 and B36, Society of Automobile Engineers (SAE) CA 260, and Federal Specification (Fed. Spec.) QQ-B-613 standards.
Shim stock is fabricated by cold rolling, which is the process of reducing a material’s thickness by passing it between two rollers. Cold rolling can cause a temper to form in the material, increasing the yield strength (the amount of force necessary to permanently bend or deform the material) as well as hardness ratings of the material. The higher its hardness and yield strength ratings, the more likely the shim is to preserve its thickness and shape over time while in use, but the harder it will be to bend and shape. Quarter-hard tempered material provides the lowest hardness and yield strength ratings and the greatest ductility of the tempers, with half-hard, three-quarters-hard, full-hard, spring, and blue tempered material respectively increasing in hardness and yield strength. Annealed shim stock has been heated and cooled to remove any temper and reinstate the material’s natural formability (ability to be bent) after it has been cold rolled.
Shim stock, which is sold in either sheets or rolls, is a very thin material that can be cut, sawed, stamped, milled, or bored into specific shapes. These fabricated pieces, also called shims, can be placed between objects for a variety of uses, including added support, improved leveling, increased insulation, tighter sealing, and better spacing. Shims can also be used to fill in gaps between machine parts that are prone to wear, avoiding costly replacement parts and lost production time. While most shim stock is sold in standard thicknesses of solid material, shim stock with laminated layers is composed of stacked foil sheets that have been pressed and heated together and that peel off to adjust the shim’s thickness to the application.
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