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En19 Plate/42CRMO4 Grade Plate

The EN19 Grade Steel Plate that we offer exactly matches the desirable plates of such kinds. It is of the best quality and endowed with high tensile strength. We are working in full throttle to make it available to the length and breadth of the country and abroad. We are one of the eminent Exporters and Suppliers of EN19 Grade Steel Plate from Mumbai, India.

Applications :
EN19T was originally introduced for the use in the machine tool and motor industries for gears, pinions, shafts, spindles and the like. Later its applications became much more extended and it is now widely used in areas such as the oil and gas industries. EN19T is suitable for applications such as gears, bolts, studs and a wide variety of applications where a good quality high tensile steel grade is suited.

Forging :
Pre heat carefully, then raise temperature to 850-1200oC for forging. Do not forge below 850oC. After forging cool slowly in still air.

Annealing :
Heat the EN19T slowly to 680-700oC. Cool in air.

Hardening :
This steel grade is commonly supplied ready heat treated. If further heat treatment is required annealed EN19 should be heated slowly to 860-890oC and after adequate soaking at this temperature quench in oil. Temper as soon as tools reach room temperature.

Tempering :
Heat carefully to a suitable temperature selected by reference to a tempering chart or table. Soak at the temperature for 2 hours per 25mm of ruling section, then allow to cool in air. Tempering between 250-375oC is not advised as tempering within this range will reduce the impact value.

Heat Treatment :
Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of EN19T alloy steel..

Equivalent Grades

Internal Standard BS Din IS EN Saf/Aisi
En 19 709M40 42CrMo2 40Cr4Mo3 EN19 4140, 412

Chemical Composition

Element Min Max
Carbon, C 0.35 0.45%
Manganese, Mn 0.5 0.80%
Silicon, Si 0.1 0.35%
Nickel, Ni ----- -----
Molybdenum, Mo 0.2 0.40%
Chromium,Cr 0.9 1.50%
Sulfur, S ----- 0.05
Phosphorous, P ----- 0.05

Mechanical Properties

Heat  Treatment Tensile  Strength  Rm N/mm² Yield  Stress  Re N/mm² a% on 5.665ÖSo Impact Izod J Impact KCV J Proof  Stress  rp0.2 Hardness  HB Size  mm
R 700/850 495 15 34 28 480 201/225 >100≤250
S 775/925 555 13 27 22 540 223/277 >150≤250
S 775/925 585 15 54 50 570 223/277 >63≤150
T 850/1000 680 13 54 50 655 248/302 >29≤100
U 925/1075 755 12 47 42 740 269/331 >13≤63
V 1000/1150 850 12 47 42 835 293/352 >6≤29
W 1075/1225 940 12 40 35 925 311/375 >6≤19
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