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EN 8 Steel

EN 8 Steel
  • EN 8 Steel
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Approx. Price: Rs 62 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Material GradeEN8
ShapeRound / Flat

  • EN8 also know as 080M40. Unalloyed medium carbon steel. EN8 is a medium strength steel, good tensile strength. Suitable for shafts, stressed pins, studs, keys etc. AISI 1040.
    Available as normalized or rolled. EN8 is supplied as round drawn/turned, round hot rolled, hexagon, square, flats and  plate.
  • EN8 is usually supplied untreated but can be supplied to order in the normalized or finally heat treated (quenched and tempered to ”Q” or “R”properties for limiting ruling sections up to 63mm), which is adequate for a wide range of applications.  Please refer to our selection guide for comparisons.
  • EN8 is a very popular grade of through-hardening medium carbon steel, which is readily machinable in any condition. (Refer to our machinability guide). EN8 is suitable for the manufacture of parts such as general-purpose axles and shafts, gears, bolts and studs.  It can be further surface-hardened typically to 50-55 HRC by induction processes, producing components with enhanced wear resistance.  For such applications the use of EN8D (080A42) is advisable.  It is also available in a free-machining version, EN8M (212A42)
  • EN8 in its heat treated forms possesses good homogenous metallurgical structures, giving consistent machining properties.
  • Good heat treatment results on sections larger than 63mm may still be achievable, but it should be noted that a fall-off in mechanical properties would be apparent approaching the centre of the bar.
  • It is therefore recommended that larger sizes of EN8 are supplied in the untreated condition, and that any heat treatment is carried out after initial stock removal.  This should achieve better mechanical properties towards the core.
Chemical composition
Carbon, C 0.35 0.45%
Manganese, Mn 0.60 1.0%
Silicon, Si 0.5 0.35%
Sulphur -.-- 0.6
Phosphorus -.-- 0.6
Mechanical Properties
Max Stress700-850 n/mm 2 
Yield Stress 465 n/mm 2  Min (up to 19mm LRS)
0.2% Proof Stress 450 n/mm 2  Min (up to 19mm LRS)
Elongation 16% Min (12% if cold drawn)
Impact KCV 28 Joules Min (up to 19mm LRS
Hardness 201-255 Brinell
EN8 Equivalents
BS970: 1955 EN8
BS970/PD970: 080M40
1970 onwards
European C40, C45, Ck40,Ck45, Cm40, Cm45
Werkstoff No. 1.0511, 1.1186, 1.1189
US SAE (AISI) 1039, 1040, 1042, 1043, 1045

Heat Treatment
  • EN8 or 080m40 can be tempered at a heat of between 550°C to 660°C (1022°F-1220°F), heating for about 1 hour for every inch of thickness, then cool in oil or water.
  • Normalizing of EN8 bright mild steel takes place at 830-860°C (1526°F-1580°F) then it is cooled in air.
  • Quenching in oil or water after heating to this temperature will harden the steel.
  • Chemical Composition of EN8 Steel
Carbon 0.35-0.45%
Manganese 0.60-1.00%
Silicon 0.05-0.35%
Phosphorous 0.06% max
Sulphur 0.06% max

Additional Information:

  • Delivery Time: 1 day
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EN24 Round Bar

EN24 Round Bar
  • EN24 Round Bar
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Approx. Price: Rs 80 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
BrandIndian / Imported
ShapeRound / Flat
MaterialAlloy Steel
Single Piece LengthUpto 6 Meter

EN24 Round Bar Manufacturers & Suppliers. EN24 Round Bar is a very high strength steel alloy which is supplied hardened & tempered. It is a combination of nickel chromium molybdenum, which offers high tensile strength, good ductility & wear resistance. With relatively good impact properties at low temperature. It is also suitable for a variety of elevated temperature applications. EN24 Round Bar Features are easy to treat & temper & is supplied hardened & tempered. It offers good combination of strength, ductility & wear resistance.

EN24 Round Bar Applications
Drill Bushing, Gears, high strength, Punches & dies

EN24 Round Bar Chemical Composition
Carbon; 0.35-0.45
Phosphorus; 0.040max
Molybdenum; 0.20-0.40
Manganese; 0.45-0.70
Sulfur; 0.040max
Chromium; 0.90-1.40
Silicon; 0.10-0.35
Nickel; 1.30-1.80

EN24 Equivalent Grades
WNR 34CrNiMo6
BS 817M40
AISI 4340
SAE 4340

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  • Delivery Time: 1 Day
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EN24 Steel Bar

EN24 Steel Bar
  • EN24 Steel Bar
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Approx. Price: Rs 80 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Material GradeEN24
Single Piece Length6 meter
BrandIndian And Imported
ShapeRound / Flat
Surface FinishCustomised
MaterialAlloy Steel

EN24 is a Nickel Chromium Molybdenum alloy steel specification widely used in the oil and gas sectors. EN24 steel offers toughness and high strength in the heat treated condition, with good fatigue strength. Available in round bar EN24 is available fully certified and suitable for applications requiring a quality high tensile alloy steel. EN24 is commonly used in heat treated condition.

Size range is dia 12mm to 60mm in rounds. Some sizes in squares and hexagons can also be produced against order.

The equivalent grades are EN24, AISI:4340, 817M40, 34CrNiMo6, 40NiCr4Mo3 etc.

EN24 Chemical composition
  • 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%

Additional Information:

  • Delivery Time: 1 day
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Shreepal Oswal (CEO)
Swastik Metals
Plot No. S-161, Indrayani Nagar, MIDC
SwastikMetals, Pune - 411026, Maharashtra, India

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