EN31 Bright Bars, EN31 Bright Bar Manufacturers, EN31  Bright Bar Suppliers, EN31 Bright Bar Stockist, EN31 Bright Bar Dealers, EN31 Bright Bar Distributors, EN31 Bright Bar Wholesalers, EN31 Bright  Bar Steel Traders, EN31 Steel Bright Bar Hexagon Distributors, EN31 Steel Bright Round  Bar, EN31 Steel Bright Bar Companies Near me.
Grade Introduction:
We are EN31 Bright Round Bar manufacturers and we are only manufacturing from prime quality billets and blooms. The range of EN31 Bright Round Bars which we manufacture for our customers are of high quality and these round bars are used for making machineries and OEM Auto components. These products have been made keeping in mind the quality parameters which have been set by the industry in the market. EN31 Round Bars are always supplied with the test certificates and can be supplied in bulk quantity as well as retail quantity as per customers requirements. EN31 alloy Steel round bars are supplied by us to various industries.
EN31 Steel bright bar is a very high strength steel alloy which is hardened and tempered before supplying and has nickel, chromium, molybdenum making it high tensile steel strength, with good ductility and wear resistance. With relatively good impact properties at low temperatures, EN31 is also suitable for a variety of elevated temperature applications. EN31 round bars have good internal strength and high external strength, which makes it highly wear resistant. EN31 steel round bars offer good combination of ductility, strength and wear resistance. EN31 is a very high strength alloy engineering steel.
Grade Application:
Typical applications for EN31 steel include taps, gauges, swaging dies, ejector pins, ball and roller bearings. It is a good quality steel for wear resisting machine parts and for press tools which do not merit a more complex quality.
Equivalent grades:
  • BRITISH BS 970:1991 535A99
  • BRITISH BS 970:1955 EN31
  • SWEDISH SS 2258
  • AMERICAN SAE 52100
Addition to other grades:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN19, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM SA-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 4140, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE 52100, S40C, S355J2G3.
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Chemical composition:
The following table shows the chemical composition of EN31 steel:
Content (%)
0.040 Max
0.050 Max
Mechanical Properties:
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 EN31 component. Other considerations during the heat treatment process including the type of furnace, quenching medium and work piece transfer facilities.
Heat slowly to the hardening temperature of 800-820°C. Maintain until thoroughly soaked through. Plenty of time must be given for this soaking and then quench in oil.
Temper according to the purpose for which the tools are required, generally between 150°C and 300°C. Soak well at the selected temperature and soak for at least one hour per 25mm of total thickness. Cool slowly in air.
Temperature [°C]
Hardness [HRc]
Physical Properties:
Thermal Properties:
Forging Properties:
Heat slowly and begin forging at 1000-1050°C.  Allow sufficient time at the forging temperature for the steel to be thoroughly soaked through. Re heat as necessary and do not forge below 850°C. After forging EN31 steel, cool slowly preferably in a furnace.
Stress Reliving:
When parts are to be heavily machined, stress relieving will be beneficial prior to hardening. Heat the EN31 carefully to 700°C, soak well and allow to cool in air.
EN31 is usually supplied in the annealed and machinable condition. Re-annealing will only be necessary if the steel has been forged or hardened. To anneal, heat the EN31 steel slowly to 800-810°C, soak well and allow to cool in the furnace.
Supply Cities:
Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil, Kanchipuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam, Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai, Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijayawada, Guntur, Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad, Mahabubnagar, Karimnagar.
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