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Grade Introduction:

We are EN353 Alloy Steel Round Bar manufacturers and we are manufacturing from prime quality billets and blooms. The range of EN353 Round Bars which we manufacture for our customers are of high quality and these round bars are used for making machinery and Auto components. These products have been made keeping in mind the quality parameters that have been set by the industry in the market. EN353 Round Bars are always supplied with the test certificates and can be supplied in bulk quantity as well as retail quantity as per customer’s requirements. EN353 alloy Steel round bars are supplied by us to various industries.

EN353 Alloy steel is a very high strength steel alloy that is hardened and tempered before supplying and has nickel, chromium, molybdenum making its high tensile steel strength, with good ductility and wear resistance. With relatively good impact properties at low temperatures, EN353 is also suitable for a variety of elevated temperature applications. EN353 round bars have good internal strength and high external strength, which makes them highly wear-resistant. EN353 steel round bars offer a good combination of ductility, strength, and wear resistance. EN353 is a very high-strength alloy engineering steel.

Grade Application:

Acceptable for many automobile applications such as heavy-duty gear, shaft, pinion, camshafts, gudgeon pins.

Equivalent grades:

BRITISH BS 970:1991 815M17
BRITISH BS 970:1955 EN353

Addition to other grades:

MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, IS2062, 42Crmo4, HCHCR, OHNS, D2, D3, H-11, H-13, CW-1, 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.

Our Supply Range:

Price List:


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Chemical composition:

The following table shows the chemical composition of En19 steel:

Element C Si Mn S P Ch Mo Ni
Content (%) 0.10-0.20 0.10-0.35 0.50-1.00 0.040 Max 0.040 Max 0.75-1.25 0.08-0.15 1.00-1.50

Mechanical Properties:

Mechanical Properties
Hardering 840-870
Quenching oil
Tempering 150-200
Brinell Rockwell Hardness 150-200

Other Detailed Properties:

Annealed R S T U V W X Y
Ruling Section (mm) 150 150 100 65 65 30 30 25
Ruling Section (mm) 680/720 690/850 770/930 850/ 1000 930/ 1080 1000/1160 1080/1240 1280
Yield Stress (MPa) 440/480 480 570 665 740 835 895 1050
Elongation (% Min) 22 15 15 13 12 12 10 10
ISO V Impact (Joule) 30 30 30 30 25 25 22 7
Hardness (Brinell) 190/210 201/255 223/277 248/302 269/321 293/341 311/375 363/415
Proof Stress (0.2%) if required (MPa, Min) 495 550 630 710 770 850 985


HB – 270

Heat Treatment:

The hardening treatment for most steels consists of heating the steel to a set temperature and then cooling it rapidly by plunging it into oil, water. EN8 and EN353 steel is an easily available and cheap material that is acceptable for heavy-duty applications.


Hardening °C 780-820.


EN353 is re-heated to 780C – 820°C, holding until the temperature is uniform throughout the section, and then quenched in oil, Tempering must be done immediately while the component EN353 is still handed warm. Heat to 150C – 200°c, soak it for 1 – 2 hours / 25mm of a section, and then cooled in still air. Hardness after Tempering: 62-64 HRC.

Physical Properties

Thermal Conductivity at °C 20 350 700
W/(m*K) 11.3 13.3 14.5

Thermal Properties

Thermal Conductivity at °C 20 350 700
W/(m*K) 11.3 13.3 14.5

Forging Properties:

EN353 steel round bars offer a good combination of ductility, strength, and wear resistance. EN353 is a very high-strength alloy engineering steel.

Stress Relieving:

150-200, cooled in the furnace. 1st pre-heating °C: Up to approx. 400 in an air-circulating furnace 2nd and 3rd: 780 and 805°C.


860 – 890°C in air.




DENSITY (G/CM 3) 8.08
DENSITY (LB/IN 3) 0.292




Pre/post heat precaution required.

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.