EN 19 Series Steel


Product Details:

Carbon 0.45%
Manganese 0.80%
Chromium 1.50%

EN19 is a high quality, high tensile steel usually supplied readily machine able in ‘T’ condition, giving good ductility and shock resisting properties combined with resistance to wear.

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 850-1200°C for forging. Do not forge below 850°C. After forging cool slowly in still air.


Annealing:

  • Heat the EN19T slowly to 680-700°C. 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 860-890°C and after adequate soaking at this temperature quench in oil.
  • Temper as soon as tools reach room temperature.


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.

 

Chemical composition:

Element Min Max
Carbon, C 0.35 0.45%
Manganese, Mn 0.50 0.80%
Silicon, Si 0.10 0.35%
Nickel, Ni -.– -.–
Molybdenum, Mo 0.20 0.40%
Chromium,Cr 0.90 1.50%
Sulfur, S -.– 0.05
Phosphorous, P -.– 0.05


Mechanical Properties:

Heat Tensile Yield a% on Impact Impact Proof Hardness Size
Treatment Strength Stress 5.665ÖSo Izod J KCV J Stress HB mm
Rm N/mm² Re N/mm² rp0.2
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 50 665 248/302 >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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