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Brinell Hardness Testers

Brinell Hardness Testers

When quoting a Brinell hardness number (BHN or more commonly HB), the conditions of the test used to obtain the number must be specified. (HB is not related to the "HB" degree of pencil hardness.) The standard format for specifying tests can be seen in the example "HBW 10/3000". "HBW" means that a tungsten carbide (from the chemical symbol for tungsten or from the Swedish/German name for tungsten, "Wolfram") ball indenter was used, as opposed to "HBS", which means a hardened steel ball. The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force.

The hardness may also be shown as XXX HB YYD2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D2. It could be a maximum or a minimum.

Correspondent relations among scale, indenter and test force:
Hardness symbolDiameter of Indenter

mm

F/D2Test force

N/kgf

HBW 10/3000103029420(3000)
HBW 10/1500101514710(1500)
HBW 10/100010109807(1000)
Brinell hardness numbers
MaterialHardness
Softwood (e.g., pine)1.6 HBS 10/100
Hardwood2.6–7.0 HBS 1.6 10/100
Lead5.0 HB (pure lead; alloyed lead typically can range from 5.0 HB to values in excess of 22.0 HB)
Pure Aluminium15 HB
Copper35 HB
Hardened AW-6060 Aluminium75 HB
Mild steel120 HB
18–8 (304) stainless steel annealed200 HB
Hardox wear plate400-700 HB
Hardened tool steel600–900 HB (HBW 10/3000)
Glass1550 HB
Rhenium diboride4600 HB
Note: Standard test conditions unless otherwise stated
Brand: Metallography World Corporation Model: HT-BRN-E
HT-BRN-E Electronic Brinell Hardness Tester, Based on the mechanical principle of hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurment by measuring the diameter of the indentation. It is novel and highly reliable with accurate measur..
Brand: Metallography World Corporation Model: HT‐LLBT‐62.5AT
ADVANCED TOUCH SCREEN LOW LOAD BRINELL HARDNESS TESTER    Products description: B-62.5AT advanced digital small load Brinell hardness tester equipped with a large menu type touch screen, test force, dwell time, hardness value, conversion hardness, etc all can be d..
Brand: Metallography World Corporation Model: HT-DB-3000
HT-DB-3000 TOUCH SCREEN DIGITAL BRINELL HARDNESS TESTER    Advantages:  Equipped with touch screen panel, menu structure, easy for operation.  Closed loop with load cell, test force from 62.5kgf to 3000kgf.  Automatic load - dwell - unload main test forc..
Brand: Metallography World Corporation Model: HT-BRN-DDS
Overview   HT-BRN-DDS Digital Display small load Brinell Hardness Testerm 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 diameter of the indentation. it's lastest optical m..
Brand: Metallography World Corporation Model: HT‐TSDB‐AT
TOUCH SCREEN DIGITAL BRINELL HARDNESS TESTER (2 MODELS) HT-TSDB-AT / HT-TSDB-MT Features: 1. Large test force range: 62.5Kgf to 3000Kgf 2. With 12 kinds of measurement scale 3. Closed-loop control, with high accuracy load cell, no need ins..
Brand: Metallography World Corporation Model: HT-BRN-DD
Overview HT-BRN-DD Digital Display Brinell Hardness Tester, based on the mechanical principle of hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurment by measuring the diameter of the indentation. It is highly reliable with accurate m..
Brand: Metallography World Corporation Model: HT‐TSDB‐MT
TOUCH SCREEN DIGITAL BRINELL HARDNESS TESTER (2 MODELS) HT-TSDB-AT / HT-TSDB-MT Features: 1. Large test force range: 62.5Kgf to 3000Kgf 2. With 12 kinds of measurement scale 3. Closed-loop control, with high accuracy load cell, no need ins..
Brand: Metallography World Corporation Model: HT-BRN-AXYZ
Overview HT-BRN-AXYZ Automatic Brinell Hardness Tester, Based on the mechanical principle of hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurment by measuring the diameter of the indentation, the use of the phoelectric sensor system ..
Brand: Metallography World Corporation Model: HT-BRN-test
  FULLY AUTOMATIC THREE INDENTERS DIGITAL BRINELL HARDNESS TESTER    Main Function: HT-FA-B3I fully automatic three indenters digital Brinell hardness tester adopts casting shell with strong rigidity and precise structure des..
Brand: Metallography World Corporation Model: HT‐FA‐B3I
FULLY AUTOMATIC THREE INDENTERS DIGITAL BRINELL HARDNESS TESTER    Main Function: HT-FA-B3I fully automatic three indenters digital Brinell hardness tester adopts casting shell with strong rigidity and precise structure design, the load of test force is controlled..
Brand: Metallography World Corporation Model: HT‐DB‐3000
TOUCH SCREEN DIGITAL BRINELL HARDNESS TESTER    Advantages: Equipped with touch screen panel, menu structure, easy for operation. Closed loop with load cell, test force from 62.5kgf to 3000kgf. Automatic load - dwell - unload m..
Brand: Metallography World Corporation Model: HT-BRN-ATC
Overview HT-BRN-ATC Touch Screen Automatic Tower Digital Display Brinell Hardness Tester, based on the mechanical principle of hard alloy indenter pressing into the sample surface to produce indentation, realizing the material hardness measurment by measuring the diameter of the indentation, the use..
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