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Applications of Hardness Testers :
Hardness Testers are used to check the HARDNESS of different metallic materials/ components before these materials/ components are put into use.
 There are different hardness scales and different models are used to check hardness as per    these scales.
Product Range
Types of Hardness Testers We Manufacture:
     
  ROCKWELL TYPE HARDNESS TESTERS
  BRINELL TYPE HARDNESS TESTERS
  VICKERS TYPE HARDNESS TESTERS
     
Rockwell Type Hardness Testers
Rockwell Type Hardness Testers
KAS
 SALIENT FEATURES

These machines come in three basic versions.i.e.Pure rockwell models,Rockwell cum Rockwell Superficial models and Rockwell cum Brinell models.
 
GENERAL :
1. Krystal hardness Testers are designed and developed after years of experience in this field.All models are manufactured under strict quality control at all manufacturing stages.
2. All these models are suitable for testing hardness of Metals and alloys.
3. All types of shapes, i.e.Round, Flat, and other irregular shapes like castings etc. can be tested on these machines. All relevant fixtures can also be supplied.
4. These Testers are simple in design, easy to operate and maintain.
5. All Krystal make hardness testers meet relevant National and International standards like BS 819 part I & II, ASTM- E18, ASTM - E10 etc.
 
TECHNICAL SPECIFICATIONS
 
1) ROCKWELL AND ROCKWELL CUM BRINELL MODELS
   
Model k, KA, KAS KAB KAB -I KAB 250
Load kgf 60,100,150 60,100,150,187.5 60,100,150, 187.5, 250 60,100,150,187.5, 250
Initial load kgf 10 10 10 10
Max.test height mm 225 225 225 290
Depth of throat mm 130 130 130 150
Max depth of elevating screw below base mm 260 260 260 310
Size of base mm 165 x 425 165 x 425 165 x 425 210 x 510
Machine height (Approx)mm 650 650 650 845
Nett Weight
(Approx.) kg 		65 65 70 125
         
   
2) ROCKWELL AND ROCKWELL CUM BRINELL MODELS (Standard Accessaries)
 
Models K.KA KAS KAB KAB- I KAB-250
Testing table 50 mm ø
1 pc 1 pc 1 pc
Testing table 40 mm ø with 'V' groove for round jobs-6 to 45 mm dis.
1 pc 1 pc 1 pc
Diamond Indentor 120°
 1 pc 1 pc 1 pc
Steel Ball Indentor 1/16"
1 pc 1 pc 1 pc
Test Block Rockwell 'C'
1 pc 1 pc 1 pc
Test Block Rockwell 'B'
1 pc 1 pc 1 pc
Alien Spanners
2 Pcs 2 Pcs 2 Pcs
Clamping device
1 Pc 1 Pc 1 Pc
Dash - Pot oil
1 bottle 1 bottle 1 bottle
Rubber bellow for elevating screw protection
1 pc 1 pc 1 pc
Instruction Manual
1 book 1 book 1 book
Brinell Microscope
 NIL 1 Pc 1 Pc
Steel Ball Indevtor 2.5 mm
NIL 1 Pc 1 Pc
Test Block HB 2.5/187.5
NIL 1 pc 1 pc
Steel ball indentor 5 mm
NIL NIL 1 pc
 
3) ROCKWELL SUPERFICIAL MODELS
 
Model
K-TWIN
Loads
kgf
 15,30,45 (Rockwell Superficial)
60,100,150,
( Rockwell )
Initial Load
kgf
 3 (Rockwell Superficial)
10 (Rockwell)
Max.test height
mm
 290
Depth of throat
mm
 150
Max depth of elevating screw below base
mm
 310
Size of base
mm
 210 x 510
Machine height
mm
 845
Nett Weight
kg
 125
 
 
4) ROCKWELL SUPERFICIAL MODELS
Model
K-TWIN
Testing Table 50 mm ø
1 pc
Testing table 40 mm ø with 'V' groove for round jobs 6 to 45 mm dia.
1 pc
Diamond Indentor 120 °
1 pc
Steel Ball Indentor 1/16"
1 pc
Test Block Rockwell 'C'
1 pc
Test Block Rockwell 'B'
1 pc
Test Block Rockwell Superficial 'N'
1 pc
Allen Spanner
2 pcs
Clamping device
1 pc
Dash Pot oil
1 bottle
Rubber bellow for elevating screw protection
1 pc
Instruction Manual
1 book
 
Heavy-Duty Brinell Type Hardness Testers
 
SALIENT FEATURES :
These machines come in three basic versions i.e. Manually operated models, Hydraulic loading Type Models and Hydraulic loading Type Models with built-in Optics, i.e. Optical type Model.
 
1} MANUAL BRINELL TESTER MODEL : KB 3000 (J)
Heavy-Duty Brinell Type Hardness Testers
KB 3000 (J)
 SALIENT FEATURES

These machines are economic and very useful for the application where test volumes are low as few samples per day or per shift. Loading being manual, it does not need any electric supply.

 
GENERAL :
1. Krystal hardness Testers of KB- 3000 (J) series are designed and developed after years of experience in this field. All models are manufacturerd under strcit quality control
2. All these models are suitable for testing hardness of Metals and alloys of all kinds.
3. All types of shapes, i.e.Round, Flat, and other irregular shapes like castings etc. can be tested on these machines. All relevant fixtures can also be supplied.
4. These Testers are simple in design, easy to operate and maintain.
5. These machines confirm to ASTM - E 10, BS 10003 - 2 and IS 2281 - 1983
 
Technical Specification
Model KB 3000 (J)
Loads
kgf
 500,750,1000,1500,2000,2500,3000
Pre Load
kgf
 NIL
Max. Test Height
mm
 250
Depth of Throat
mm
 150
Size of Base
mm
 255 X 495
Machine Height
mm
 860
Nett Weight
kg
 210
 
STANDARD ACCESSORIES
Model KB 3000 (J)
Flat Testing Table 50 mm ø 1 pc
Flat Testing Table 200 mm ø 1 pc
Testing Table 70 mm ø 'V' Grooved 1 pc
Ball Holder 5 mm 1 pc
Ball Holder 10 mm 1 pc
Test Block HB - 5/750 Either of one 1 pc
Test Block HB -10/3000 1 pc
Brinell Microscope   1 pc
Allen Spanner   4 pc
Instruction Manual   1 book
 
2} Hydraulic Type Brinell Hardness Testers.
Hydraulic Type Brinell Hardness Testers
KB 3000 (H)		 SALIENT FEATURES

These machines are very useful for the application where test volumes are very high. Loading being hydraulic, it can be used for continuous production.

 
GENERAL :
1. All Krystal make Hardness Tester of KB - 3000 (H) series are designed and developed after years of experience in this field. All models are manufactures under strict quality control.
2. All these models are suitable for testing hardness of Metals and alloys of all kinds.
3. All types of shapes, i.e.Round, Flat, and other irregular shapes like forgings castings etc. can be tested on these machines. All relevant fixtures can also be supplied.
4. These Testers are simple in design, easy to operate and maintain.
5. These machines confirm to ASTM E-10, BS 10003 - 2. IS 2281 - 1983
 
Technical Specification
Model KB 3000 H
Loads kgf 500 to 3000 in stages of 250
Pre Load kgf 250
Max. Test Height mm 410
Depth of Throat mm 200
Size of Base mm 370 X 670
Machine Height mm 1125
Nett Weight kg 450
Drive Motor HP 0.33
Main Supply V/cps/ph 400-440/50/3
 
STANDARD ACCESSORIES
Model KB 3000 H
Flat Testing Table 50 mm ø 1 pc
Flat Testing Table 200 mm ø 1 pc
Testing Table 70mm ø 'V' Grooved 1 pc
Ball Holder 5 mm 1 pc
Ball Holder 10 mm 1 pc
Test Block HB-5/750HB or 10/3000 1 pc
Brinell Microscope   1 pc
Allen Spanner   4 pcs
Telescopic Cover   1 set
Instruction Manual   1 book
 
3} Optical Brinell Hardness Testers.
Optical Brinell Hardness Testers
KB 3000 (O)
SALIENT FEATURES

These machines are very useful where high production is required.
In these models loading is Hydraulic. It is having a built - in optics with large screen which helps in quick measurement of indantation diameter.
 
GENERAL :
1. Krystal hardness Testers of KB - 3000 (0) are designed and developed after years of experience in this field.All models are manufactured under strict quality control at all manufacturing stages.
2. All these models are suitable for testing hardness of Metals and alloys of all kinds.
3. All types of shapes, i.e.Round, Flat, and other irregular shapes like castings etc. can be tested on these machines. All relevant fixtures can also be supplied.
4. These Testers are simple in design, easy to operate and maintain.
5. All Krystal make hardness testers meet relevant National and International standards such as ASTM - E10, BS 10003- 2, IS - 2281 - 1983 etc.
 
Technical Specification
Model KB 3000 (O)
Loads kgf 500 to 3000 in stages of 250
Pre Load kgf 250
Max. Test Height mm 365
Depth of Throat mm 200
Depth of screw below base mm 200
Size of Base mm 400 X 720
Machine Height mm 1220
Nett Weight kg 500
Drive Motor HP 0.33
Main Supply V/H2/ph 400-440/50/3
 
STANDARD ACCESSORIES
Model KB 3000 (O)
Flat Testing Table 200 mm ø 1 pc
Testing Table 70mm ø 'V' Grooved 1 pc
Ball Holder 5 mm 1 pc
Ball Holder 10 mm 1 pc
Test Block HB - 5 / 750 Or
HB - 10 / 3000 		1 pc
Allen Spanner   4 pcs
Telescopic Cover   1 set
Instruction Manual   1 book
 
 
Vickers Type Hardness Testers
Vickers Type Hardness Testers
KVM-250		 SALIENT FEATURES

These machines come in two basic versions.i.e.Pure Vickers and Vickers cum Brinell. Load range for pure Vickers is from 1 kg. to 120 kg and for Vickers cum Brinell, 1 kg to 250 kg
 
GENERAL :
1. These machines are suitable for checking Vickers or Brinell Hardness of Steel and other metals.
2. Loads are applied with dead weights and are selectable with push buttons.
3. Measurement of Diagonal / Diameter of indentation is done with the help of built in optical system with with built-in micrometer scale.
4. After taking the indentation on work piece , objective lens is automatically swiveled in position and indentation image appears on the focussing screen fitted in front of the machine.
5. Loading cycle is started with Push Button in the front where-as unloading is done manually by hand lever.
6. All models i.e.KVM-120, KVM-120S, KVM-250, KVM-250S confirm to IS 1754 & BS 427 for Vickers & IS 2281-1983, BS 240,ASTM-E-10 for Brinell Hardness.
 
Technical Specifications
Model KVM-120 KVM-120-S KVM-250 KVM-250-S
Load (kgf) 5,10,15,20,30,40,
50,60,100,120
(Load for Vickers) 		1,2,5,10,15,20,30,40,
50,60,100 and 120 (Load for Vickers) 		5,10,15,20,30,40,
50,60,100 & 120
(Load and Vickers)
15.625,31,25,62.5,
187.5, 250
(Load for Brinell) 		1,2,5,10,15,20,30,
40,50,60,100, & 120
(Load for Vicker)
15.625,31,25,62.5
(Load for Brinell)
Optical Magnifaction 70x,140x 70x, 140x, 35x,70x,140x, 35x,70x,140x,
Max. Test Height (mm) 250 250 250 250
Sweep of machine frame (mm) 150 150 150 150
Weight Approx(Kgs) 180 180 180 180
Dimensions
(L X W X H mm) appr 		650 x 320 x 990 650 x 320 x 1130 650 x 320 x 990 650 x 320 x 1130
Connected load           0.1 KVA,            1 PHASE AC,                220 V,         50Hz
Load can be supplied in Newtons also                Least count of Optical System 0.0005 mm
 
Measuring Range Possible w.r.t selected Optical magnification 1) 0-3.2 mm on 35X Magnification
2) 0-1.6 mm on 70X Magnification
3) 0-0.8 mm on 140X Magnification
 
STANDARD ACCESSORIES
 
Model KVM - 120 KVM - 120-S KVM-250 KVm-250-s
Flat table of 100 mm Die 1 NO. 1 NO. 1 NO. 1 NO.
'V' table for specimen - 6 to 80 mm Dia 1 NO. 1 NO. 1 NO. 1 NO.
Vickers Diamond Indentor 1 NO. 1 NO. 1 NO. 1 NO.
2.5 mm Ball Indentor - - 1 NO. 1 NO.
5.0 mm Ball Indentor - - 1 NO. 1 NO.
Vickers hardness Test Plate 1 NO. 1 NO. 1 NO. 1 NO.
Brinell Hardness Test Plate - - 1 NO. 1 NO.
Electrical Cord 1 NO. 1 NO. 1 NO. 1 NO.
Instruction manual 1 Book 1 Book 1 Book 1 Book
2.5 mm Balls - - 5 Nos. 5 Nos.
5 mm Balls - - 5 Nos. 5 Nos.
 

 
 
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