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Rockwell Hardness Testers by Metallurgical Supplies

Rockwell Hardness Testers by Metallurgical Supplies

Rockwell Hardness Testers

Rockwell Hardness Testers - by Metallurgical Supplies a Metallography World Corporation

Rockwell hardness tester: HRA, HRB, HRC [10]

Superficial Rockwell hardness tester: 15N, 30N, 45N, 15T, 30T, 45T, 15W, 30W, 45W, 15X, 30X, 45X, 15Y, 30Y, 45Y

Plastic Rockwell hardness tester: HRE, HRL, HRM

Twin Rockwell hardness tester (also named as Rockwell & superficial Rockwell hardness tester): HRA, HRB, HRC,15N, 15T, 15W, 15X, 15Y, 30N, 30T, 30W, 30X, 30Y, 45N, 45T, 45W, 45X, 45Y

Scales and values[edit]

There are several alternative scales, the most commonly used being the "B" and "C" scales. Both express hardness as an arbitrary dimensionless number.

Various Rockwell scales[15]
ScaleAbbreviationLoadIndenterUseNs
AHRA60 kgf120° diamond spheroconicalTungsten carbide1000.002mm
BHRB100 kgf116-inch-diameter (1.588 mm) steel sphereAluminium, brass, and soft steels1300.002mm
CHRC150 kgf120° diamond spheroconicalHarder steels >B1001000.002mm
DHRD100 kgf120° diamond spheroconical1000.002mm
EHRE100 kgf18-inch-diameter (3.175 mm) steel sphere1300.002mm
FHRF60 kgf116-inch-diameter (1.588 mm) steel sphere1300.002mm
GHRG150 kgf116-inch-diameter (1.588 mm) steel sphere1300.002mm
HHRH60 kgf18-inch-diameter (3.175 mm) steel sphereAluminum, Zinc, Lead 
KHRK150 kgf18-inch-diameter (3.175 mm) steel sphereBearing alloy, tin, hard plastic materials
Also called a brale indenter
Brand: Metallography World Corporation Model: HT-RHT-45MA
Overview HT-RHT-45MA Manual Rockwell Hardness Tester, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. Capable of inspecting the..
Brand: Metallography World Corporation Model: HT-RHT-150MA
Overview HT-RHT-150MA Manual Rockwell Hardness Tester, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. Capable of inspecting the..
Brand: Metallography World Corporation Model: HT-RHT-150ES
Overview HT-RHT-150ES Electronic Rockwell Hardness Tester, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. Capable of inspecting..
Brand: Metallography World Corporation Model: HT-RHT-150AU
Overview HT-RHT-150XYZ-A automatic Rockwell hardness tester, based on the mechanical prin­ciple of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. With high automati..
Brand: Metallography World Corporation Model: HT-RHT-DUAL-45MA
Overview HT-RHT-DUAL-45MA Digital Display Rockwell Hardness Tester, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. According to..
Brand: Metallography World Corporation Model: HT-RHT-DUAL-150MA
Overview HT-RHT-DUAL-150MA Digital Rockwell Hardness Tester, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. Capable of inspecti..
Brand: Metallography World Corporation Model: HT-RHT-DUAL-150ES
Overview HT-RHT-DUAL-150ES Digital Plastic Rockwell Hardness Tester, based on the mechanical principle of hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. Capable of inspecting the fini..
Brand: Metallography World Corporation Model: HT-RHT-DUAL-150ES-PCA
Overview HT-RHT-DUAL-150ES-PCA Cantilever Rockwell Hardness Tester, also known as convex nose dual Rockwell hardness, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by me..
Brand: Metallography World Corporation Model: HT-RHT-DUAL-150XYZ-A
Overview HT-RHT-DUAL-150XYZ-A Digital Double Rockwell Hardness Tester, based on the mechanical principle of conical diamond or hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurement by measuring the depth of the indentation. Capable o..
Brand: Metallography World Corporation Model: HT-FARSR-150AT
FULLY AUTOMATIC DIGITAL ROCKWELL & SUPERFICIAL ROCKWELL HARDNESS TESTER     Main Function: HT-FARSR-150AT Automatic double Rockwell hardness tester with a good aesthetic aspect, complete functions, easy operation, intuitive display and good reliabilit..
Brand: Metallography World Corporation Model: HT-FAR-150AT
FULLY AUTOMATIC ROCKWELL HARDNESS TESTER   Product Features: Automatic testing process put the sample on testing table, then press the "Start" button and the machine will be working automatically raise working table and start test process (loading – dwell –..
Brand: Metallography World Corporation Model: HT-FAR-150DT
CLOSE LOOP DIGITAL ROCKWELL HARDNESS TESTER   Product Features: Modern and beautiful appearance, stable structure Touch screen interface, easy operation, English language Close loop structure, with high accuracy load cell instea..
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