Jomini Test Fixture

Jomini Test Fixture

Product Details:

  • Application Industrial
  • Color Silver
  • Voltage 120-280 Volt (v)
  • Material Steeliness Steel
  • Product Type Jomini Test Fixture
  • Machine Weight 20-1500 Kilograms (kg)
  • Supply Ability : 1 Unit Per Day

Price And Quantity

  • 1 Unit

Product Specifications

  • 20-1500 Kilograms (kg)
  • Jomini Test Fixture
  • Steeliness Steel
  • 120-280 Volt (v)
  • Silver
  • Industrial

Trade Information

  • Telegraphic Transfer (T/T), Cheque
  • 1 Unit Per Day
  • 1-2 Week
  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
  • All India

Product Description


The most commonly used method for determining hardenability is the quench test developed by by Jomini & Boegehold. The details of the test are covered in IS : 3848- 1981 and ASTM A255.

In this test a normalized 25 mm diameter and 100 mm length test sample of steel to be evaluated is heated uniformly to its austenitizing temperature. The specimen is then removed from the furnace and placed in the end quench test Apparatus and immediately end quenched by jet of room temp. water.

After end quenching, longitudinal Flat Surfaces are ground on opposite sides of the piece as per dimensions. This grinding is very important for correct positioning of the sample in the Jomini fixture and also for accurate repeatable and reliable test results.

Jomini Test fixture is to be positioned on the main screw of the hardness tester for checking hardness of the test sample. Hardness at equal intervals( 1mm or 1/16) to be checked & noted. Plot the resulting data on graph paper with hardness value as ordinate (Y- axis) & distance from the quenched end as abscissa (X-axis). By camparing the curves resulting from end quench tests of different grades of steels, their relative hardenability can be established. Thus the flatter the curve, the greater the hardenability.

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