EN24 and EN24T Steel

Energy Steel Industrial Co., Ltd.
Steel Fabrication,Special Steel,Nickel Alloy Steel Tube

Category

EN24 and EN24T Steel

Shape:Round/Square / Flat/Shafts/Rollers/Blocks

Surface condition:Black surface/Bright surface
Heat Treatment:Normalized/Annealed/QT
Straightness:Max 3mm/m(Enhanced straightness may be available on request)
Length:3000-5800mm suitable for 20″container.  above 6000mm,suitable for 40″ container
Typcial Hardness:HRC28-32
Ultrasonic Standard:Sep1921/ASTM A388/EN 10228-3


Specification:

EN24 is usually supplied in the finally heat treated condition (quenched and tempered to “T” properties) up to a limiting ruling section of 250mm, which is superior to grades 605M36, 708M40 or 709M40 – see properties below.  Please refer to our selection guide for comparisons.

In addition to the above, EN24T is capable of retaining good impact values at low temperatures, hence it is frequently specified for harsh offshore applications such as hydraulic bolt tensioners and shipborne mechanical handling equipment.

Product Description

Chemical Properties of EN31 Steel Round Bars, 52100 Bearing Steel and other Equivalents

Carbon

0.36-0.44%

Silicon

0.10-0.35%

Manganese

0.45-0.70%

Sulphur

0.040 Max

Phosphorus

0.035 Max

Chromium

1.00-1.40%

Molybdenum

0.20-0.35%

Nickel

1.30-1.70%


Mechanical Properties 

Max Stress

850-1000 n/mm2

Yield Stress

680 n/mm2 Min

Yield Stress

650 n/mm2 Min

0.2% Proof Stress

665 n/mm2 Min


EN24 STEEL Heat Treatment

En24 material heat treatment are listed below, including normalizing, hardening and termpering.

Hardening: 830 to 860 °C (1525-1580 °F), oil quench,

Tempering temperature: 550 to 660 °C (1020-1220 °F)


EN24 STEEL TYPICAL APPLICATIONS

For all metal-cutting tools for roughing or finishing such as twist drills, diverse milling cutters, thread dies, broaches, reamers, countersinks, thread chasers, circular saw segments, shaping tools and woodworking tools. Also highly suitable for cold-forming tools such as cold extrusion rams and dies, as well as cutting and precision cutting tools, plastic moulds with elevated wear resistance and screws.Commercial applications for this engineering material include:

High strength shafts

Punches & dies

Drill bushings

Retaining rings

Gears

 

EN24 Steel Quality Certification

A material test report(Inspection Certificate EN 10204 3.1) will be provided, documenting the following:
1.Chemical analysis
2.Mechanical properties
3.Surface hardness
4.Non Metallic Inclusion
5.Heat Treatment Process
6.Grain size
7.Forging ratio
8.NDE test method/criteria