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Scale: Condition: Application: A: Brale indenter 60 kgf load: Thin, hard sheet materials, such as tungsten carbide. B: 1/16 in diamond ball 100 kgf load: Medium/low hard materials, such as annealed carbon steels. C: Brale indenter 150 kgf load: Materials harder than HRB 100. D: Brale indenter 100 kgf load: Case-hardened materials. F: 1/16 inch ...
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Rockwell Superficial Hardness 30T-Scale. 1/16 inch diamond ball, 30 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading.
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The hardness value is near the limit (within 15%) of the acceptable range of the particular hardness scale. The many hardness tests listed here measure hardness under different experimental conditions (e.g. indenters made in different sizes, shapes, and materials, and applied with different loads) and reduce their data using different formulae.
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HM. Devised by Austrian mineralogist Frederick Mohs in 1822, Mohs' Hardness is applied to non-metallic elements and minerals. In this scale, hardness is defined by how well a substance resists scratching by another substance. A scale of 1 to 10 with half-step increments is employed. Members with higher scale numbers will scratch the surface of ...
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The hardness value is near the limit (within 15%) of the acceptable range of the particular hardness scale. The many hardness tests listed here measure hardness under different experimental conditions (e.g. indenters made in different sizes, shapes, and materials, and applied with different loads) and reduce their data using different formulae.
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The Shore Scleroscope measures hardness in terms of material elasticity. A diamond-tipped hammer (size of 40 grains; 2.59 g; 0.0914 oz) is used to strike the testing surface from a known height (10 inches; 254 mm). The rebound of the hammer is measured. The harder the material, the higher the rebound.
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Rockwell D-Scale Hardness. Brale indenter, 100 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading. In the test, a minor load (10 kgf) is first ...
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Scale: Condition: Application: A: Brale indenter 60 kgf load: Thin, hard sheet materials, such as tungsten carbide. B: 1/16 in diamond ball 100 kgf load: Medium/low hard materials, such as annealed carbon steels. C: Brale indenter 150 kgf load: Materials harder than HRB 100. D: Brale indenter 100 kgf load: Case-hardened materials. F: 1/16 inch ...
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Rockwell Superficial Hardness 15N-Scale. Superficial Brale indenter, 15 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading.
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The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator …
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Scale: Condition: Application: A: Brale indenter 60 kgf load: Thin, hard sheet materials, …
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Physics. Rockwell Scale: Hardness Value: Convert Hardness. …
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Scale: Condition: Application: A: Brale indenter 60 kgf load: Thin, hard sheet materials, such as tungsten carbide. B: 1/16 in diamond ball 100 kgf load: Medium/low hard materials, such as annealed carbon steels. C: Brale indenter 150 kgf load: Materials harder than HRB 100. D: Brale indenter 100 kgf load: Case-hardened materials. F: 1/16 inch ...
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Tensile Strength (Approximation) where HB is the Brinnell Hardness of the material, as measured with a standard indenter and a 3000 kgf load. The hardness value is below the acceptable range of the particular hardness scale. The hardness value is above the acceptable range of the particular hardness scale. The hardness value is near the limit ...
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Leeb (Type D) Hardness Conversion for Non-Austenitic Steels (Rockwell C Hardness …
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Convert hardness to equivalent hardness from different scales. Black and white version …
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Rockwell B-Scale Hardness. 1/16 inch diamond ball, 100 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading. In the test, a minor load …
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Rockwell Superficial Hardness 30N-Scale. Superficial Brale indenter, 30 kgf load. Symbol: HR-30N. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading.
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Scale: Condition: Application: A: Brale indenter 60 kgf load: Thin, hard sheet materials, such as tungsten carbide. B: 1/16 in diamond ball 100 kgf load: Medium/low hard materials, such as annealed carbon steels. C: Brale indenter 150 kgf load: Materials harder than HRB 100. D: Brale indenter 100 kgf load: Case-hardened materials. F: 1/16 inch ...
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Pick a Rockwell hardness scale as B. Enter the Rockwell hardness …
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The hardness value is near the limit (within 15%) of the acceptable range of the particular hardness scale. * The many hardness tests listed here measure hardness under different experimental conditions (e.g. indenters made in different sizes, shapes, and materials, and applied with different loads) and reduce their data using different ...
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Find the hardness conversion for Rockwell C scale or high hardness range here. …
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The Brinell Hardness Test, commonly used for metallic materials, determines hardness by applying a known load (3000, 1500, or 500 kgf) to the surface of the test specimen via a hardened steel or diamond ball of prescribed size (10 mm in diameter). The size of the permanent impression on the specimen surface is converted into a Brinell Hardness ...
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Rockwell Superficial Hardness 15T-Scale. 1/16 inch diamond ball, 15 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading.
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Rockwell Superficial Hardness 45T-Scale. 1/16 inch diamond ball, 45 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading.
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Rockwell Superficial Hardness 45N-Scale. Superficial Brale indenter, 45 kgf load. Symbol: HR-45N. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading.
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Scale: Condition: Application: A: Brale indenter 60 kgf load: Thin, hard sheet materials, such as tungsten carbide. B: 1/16 in diamond ball 100 kgf load: Medium/low hard materials, such as annealed carbon steels. C: Brale indenter 150 kgf load: Materials harder than HRB 100. D: Brale indenter 100 kgf load: Case-hardened materials. F: 1/16 inch ...
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Hardness conversion calculator for Rockwell, Brinell, Vickers, Shore Scleroscope, and …
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Rockwell A-Scale Hardness. Brale indenter, 60 kgf load. The Rockwell Hardness Test presses a steel or diamond hemisphere-conical penetrator against a test specimen and measures the resulting indentation depth as a gage of the specimen hardness. The harder the material, the higher the HR reading. In the test, a minor load (10 kgf) is first ...
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Converting hardness Rockwell B (HRB) to hardness Rockwell C (HRC) is a usual …
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