Jomini Test Fixture

Jomini Test Fixture

Product Details:

  • Product Type Jomini Test Fixture
  • Application Industrial
  • Voltage 120-280 Volt (v)
  • Material Steeliness Steel
  • Color Silver
  • Machine Weight 20-1500 Kilograms (kg)
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Jomini Test Fixture Price And Quantity

  • 1 Unit

Jomini Test Fixture Product Specifications

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

Jomini Test Fixture Trade Information

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

Product Description

JOMINY TEST FIXTURE

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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