EN19 steel its properties and application

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EN19 steel its properties and application
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What is EN19 steel?

• 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.

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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
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Mechanical Properties
Heat Treatment Tensile Strength Rm N/mm² Yield Stress Re N/mm² a on 5.665ÖSo ImpactIzod J ImpactKCV J Proof Stressrp0.2 HardnessHB Size mm
R 700/850 495 15 34 28 480 201/225 gt100250
S 775/925 555 13 27 22 540 223/277 gt150250
S 775/925 585 15 54 50 570 223/277 gt63150
T 850/1000 680 13 54 50 655 248/302 gt29100
U 925/1075 755 12 47 42 740 269/331 gt1363
V 1000/1150 850 12 47 42 835 293/352 gt629
W 1075/1225 940 12 40 35 925 311/375 gt619
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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

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• Forging
• Pre heat carefully, then raise temperature to
  850-1200C for forging. Do not forge below 850C.
  After forging cool slowly in still air.
• Annealing
• Heat the EN19T slowly to 680-700C. 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
  860-890C and after adequate soaking at this
  temperature quench in oil. Temper as soon as
  tools reach room temperature.

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• 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 250-375C 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.

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En19 Carbon Steel UAE

• Al Hilal Engineering Equipment
• P.O.BOX 25996, MUSSAFAHABU DHABI , U.A.E 971 2
  555 2377 971 2 555 2388