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Grade Introduction:
En47 Spring Steel supplied in rolled condition. En47 Spring steel is
suitable for oil hardening and tempering. When used in the oil
hardened and tempered condition En47 spring steel combines spring
characteristics with good wear and abrasion resistance. When hardened
EN47 offers excellent toughness and shock resistance which make it a
suitable alloy spring steel for parts exposed to stress, shock and
vibration.
We have increase our range of spring steel bar to add EN47 Spring
Steel Round Bar. It is also called as in various standards as 51CrV4
or 50CrV4 or DIN 1.8159 AISI 6150 spring steel in other countries. It
is mainly used for tractors, heavy vehicles, stress and the diameter
of the larger plate spring, industrial production load and helical
spring. It is also used widely in many general engineering
applications. When EN47 bar hardened it gives excellent shock
resistance and toughness which make it a perfect alloy spring for
parts exposed to shock, stress and vibration.
Grade Application:
EN47 spring steel is used widely in the motor vehicle industry and
many general engineering applications. Suitable for applications that
require high tensile strength and toughness. Typical applications
include crankshafts, steering knuckles, gears, spindles and pumps.
Equivalent grades:
BS970 735A50 735A51 1.8159 AISI 6150 50CrV4 50CV4 ASTM A829
Addition to other grades:
MS, EN1a, EN3b, EN8, EN8d, EN9, EN19, EN24, EN31, EN32b, EN36c, EN41b,
EN43b, 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,
SAE52100, S40C, S355J2G3.
Our Supply Range:
Price List:
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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 |
Hardness:
Brinell Rockwell Hardness |
150-200 |
Heat Treatment:
Heat treatment temperatures, including rate of heating, cooling and
soaking times etc. will vary due to factors such as the shape and size
of each 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 EN47.
Hardening:
Heat slowly to 650-700°C and thoroughly soak. Continue to heat the
steel to the final hardening temperature of 830-860°C and allow the
component to be heated through. Quench in oil.
Tempering:
Temper the EN47 spring steel component immediately after quenching
whilst tools are still hand warm. Re-heat to the tempering temperature
then soak for one hour per 25 millimeter of total thickness (2 hours
minimum) Cool in air. For most applications tempering of this grade
will be between 400-600°C.
Physical Properties
DENSITY (G/CM 3) |
8.08 |
DENSITY (LB/IN 3) |
0.292 |
MELTING POINT (°C) |
1425 |
MELTING POINT (°F) |
2600 |
Thermal Properties
Forging Properties:
Preheat the steel carefully, then raise temperature to 1050°C for
forging. Do not forge below 840°C. After forging EN47 spring steel
cool slowly, preferably in a furnace.
Stress Relieving:
Normalizing:
Annealing:
Heat slowly to 820-840°C, soak well. Cool slowly in the furnace.
Density:
Quantity |
Value |
Unit |
Density |
7700 |
kg/m3 |
Machinability:
Welding:
We recommend you to contact your welding consumables supplier who
should provide you full assistance and information on welding EN47
chrome vanadium spring steel.
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, Tirchy,
Erode, Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil,
Kanchepuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam,
Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai,
Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijayawada, Guntur,
Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad,
Mahabubnagar, Karimnagar.