EN47 Plate, Sheets & Flats
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EN47 Springs Steel Flat Specification
Specification | BS970 1.0904 55Si7 55S6 55Si2Mn ASTM 9255 |
Flat bar Sizes | 1/2″ to 10″ in thickness range of 2 – 150 millimeter |
Hex Bar size | AF5.8 – 17 mm |
EN47 Round bar Sizes | 3.0 – 50.8 mm, Over 50.8 – 300 millimeter |
Square bar size | AF2 – 14 millimeter, AF6.35, 9.5, 12.7, 15.98, 9.0, 25.4 milimeter |
Tolerance | H9, H8, H10, K12, H13K9, K10, H11, H12, K11 |
Finish | Cold (bright) drawn, centreless ground, Grinding, Hot rolled annealed, Bright, smooth turned, Polish, Rough Turned, peeled, hot rolled, slit rolled edge, Centreless Ground & Black suppliers |
Surface | Bright, Hot Rolled Pickled, Sand Blasting Finished, Hairline, Cold Drawn, Polished |
Condition | Annealed, Hardened and tempered, |
Check our ready stock of EN47 Flat Bars in | Ahmedabad, Indore, Khobar, Gujarat, Janeiro, Tehran, Ahvaz, Ludhiana, Mumbai, Ranchi, Jamshedpur, Kolkata, Bogota, Kuwait, Karachi, Istanbul, Mexico, Perth, Pimpri-Chinchwad, Courbevoie, Noida, Kanpur, New Delhi, Calgary, Abu Dhabi, Chennai, Ernakulam, Santiago, Ludhiana, Gurgaon, Coimbatore, Montreal, Sydney, Dammam, Caracas, Gimhae-si, Surat, Thiruvananthapuram, Bangalore, Bengaluru, Riyadh, London, Muscat, Vadodara, Ankara, Nagpur, Howrah, Tau, Melbourne, Port-of-Spain, Rajkot, Lagos, Manama, India, Baroda, Hyderabad |
Process Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged, Rod |
Processing of Steel Bars | Bars cutting to 650 mm |
Form | Round, Rectangle, Flat Bar, Triangle, Blocks,Rod, Forging, Hex (A/F), Rings, Round Rod, Billet,Channel Bar, Half Round Bar, Square, I/H Bar, Ingot, Precision Ground Bar, T Bar, Profiles, Threaded, Hollow etc. |
Chemical Composition:
The following table shows the chemical composition of EN47 steel:
Element | C | Mn | Si | P | Cr | S | V | Ni |
Content (%) |
0.45-0.55 |
0.50-0.80 |
0.50 |
0.06 |
0.80-1.20 |
0.06 |
0.15 |
– |
Mechanical Properties
Hardening | 840-870 |
Quenching | oil |
Tempering | 150-200 |
Physical Properties
DENSITY (G/CM 3) | 8.08 |
DENSITY (LB/IN 3) | 0.292 |
MELTING POINT (°C) | 1425 |
MELTING POINT (°F) | 2600 |
Other Details Of Properties
Annealed | R | S | T | U | V | W | Y | |
Ruling Section (mm) | 150 | 150 | 100 | 65 | 65 | 30 | 30 | 25 |
Tensile Strength (MPa) | 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 |
Grade Introduction:
This spring steel is rolled and ready for oil hardening and tempering. It is spring steel that is suitable for oil hardening and tempering. En47 spring steels combine spring characteristics with good wear and abrasion resistance when oil hardened and tempered. In addition to offering excellent toughness and shock resistance when hardened, EN47 has excellent mechanical properties, making it an excellent spring steel for parts that are subject to vibration, shocks, and stress.
There has been an increase in the number of spring steel bars available in our range including the EN47 Spring Steel Round Bar. It is also known as 51CrV4 or 50CrV4 spring steel or DIN 1.8159 spring steel or AISI 6150 spring steel in other countries.
In addition to tractors, heavy vehicles, large plate springs, industrial production loads, and helical springs, the EN47 bar is widely used in many general engineering applications as well. When hardened, it is extremely shock resistant and tough, making it an ideal alloy spring for parts that are subject to shock, stress, and vibration.
Grade Application:
This particular spring steel is most widely used in the motor vehicle industry, as well as in general engineering and high-tension applications. It is excellent for applications that require high tensile strength and toughness, such as crankshafts, steering knuckles, gears, spindles, pumps, etc.
Equivalent Grade :
BS970 735A50 735A51 1.8159 AISI 6150 50CrV4 50CV4 ASTM A829
Addition to other grades:
In terms of the specifications, they are EN1a, EN3b, EN8, EN8d, EN9, EN19, EN24, EN31, EN32b, EN36c, EN41b, EN43b, 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-105, SAE 1018, SAE 1020, SAE 4140, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, C55MN75, SAE 52100, S40, 55C8, C55MN75, SAE52100, SAE52100, S40, S40, C55MN75, SAE421, S40, C45, C50, C50, C50, C50, C55, C45, C50, C5C8, C55MN75, CK45, 40C8;
Sizes available in ready stock:
Grade |
Thickness |
Width |
Length |
50CrV4 EN47 |
3 mm |
1170 mm |
2500 mm |
5 mm |
1180 mm |
2500 mm |
Useful Information On EN 47 Steel Sheets And Plates
Features
Chemical composition |
||
Grade |
Min |
Max |
Carbon, C |
-.– |
0.20% |
Manganese, Mn |
0.5 |
1.00% |
Silicon, Si |
-.– |
0.35% |
Nickel, Ni |
1 |
1.50% |
Molybdenum, Mo |
0.08 |
0.15% |
Chromium,Cr |
0.75 |
1.25% |
Sulfur, S |
-.– |
0.05% |
Phosphorous, P |
-.– |
0.05% |
International steel grades:
- BS: 735A51, 735M50, 735H51
- AFNOR: 50CrV4, 51CV4
- SAE: 6150
- DIN : 1.8159
- EN47 Spring Steel
International Standard | Germany | UK | USA | Indian | Euronorm | Japanese | China | France | Sweden | Russia |
DIN | BS | SAE | IS | EN | JIS | GB | AFNOR | SS | GOST | |
50CrV4 | 50CV4 | 735A50 | 6150 | 50Cr4V2 | EN47 | SUP10 | 55CrVA | 55CrV4 | 2230 | 50HGF |
1.8159 | 765A50 | G61500 | table.responsive margin-bottom: 0; overflow: hidden; overflow-x: scroll; display: block; white-space: nowrap; |
Heat treatment:
As a result of factors such as the shape and size of each component, heat treatment temperatures, including the rate of heating, cooling, and soaking time, will vary according to the shape and size of each component. It is also important to consider the type of furnace, quenching medium, and workpiece transfer facilities during the heat treatment process. If you would like full guidance about the heat treatment of EN47, please contact your heat treatment provider.
Hardening:
Let the powder be heated up slowly to 650-700°C and allowed to soak thoroughly for 5 minutes. Continue to heat the steel until it reaches the final hardening temperature of 830-860°C, and allow the component to be heated to its optimum temperature throughout the process. Put the oil in a pan and let it cool.
Tempering:
If the EN47 spring steel component is quenched immediately after quenching, temper it while the tools are still warm. After heating to tempering temperature, soak for one hour per 25 millimeters of total thickness (2 hours minimum) and cool in air. Typical tempering temperatures for this grade are 400-600°C.
Application
Suitable for applications that require higher mechanical properties than carbon steeles are required and commonly used for
- axles
- drive shafts
- crankshaft
- connecting rods
- high tensile bolts
- studs
- propeller shaft joints
- rifle barrels
- induction hardened pins
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