EN32B
Grade Introduction:
EN32B is a carbon case hardening steel. Components when carburized have a core strength range of 430-490 N/mm2, with a hard-wearing surface. It is a popular case hardening steel grade for general engineering, readily machinable and weldable in its supply condition. EN32B is low tensile steel suited for lightly stressed components.
Grade Application
Commonly used for general engineering lightly stressed applications that are subject to wear, EN32B is suitable for applications such as collets, cams, rollers, bushes, spindles, and gears.
Equivalent Grades
| DIN | CK15 |
| IS | C14 |
| EN | EN32B |
| SAE/AISI | 1015, 1016, 1018 |
| SAE | SAE1015CHQ |
| IS | C15Mn75 |
| Wnr | 1.1141 |
| DIN | C15 |
| USA | 1015,1016 |
| BS | 040A15 |
Our Supply Range
We supply to automotive ancillaries and OEM customers. The products we manufacture are used as input for manufacturing of automotive and general engineering components. These components are further assembled into systems fitted in automobiles and other engineering applications.
| Product Type | Size Range |
|---|---|
| Forged Round Bars | 140mm Dia to 850mm |
| Rolled Round Bars | 16mm Dia and above |
| Forged Flat Bars | Thickness: 32mm to 510mm, Width: 65mm to 1050mm |
| Rolled Flat Bars | Thickness: 6mm to 110mm, Width: 25mm to 510mm |
Chemical Composition
The following table shows the chemical composition of EN32B steel:
| Element | C | Si | Mn | P | S |
| Carbon(%) | 0.13-0.18 | 0.10-0.40 | 0.70-0.90 | 0.05 Max | 0.05 Max |
Heat Treatment
Heat treatment temperatures, including the rate of heating, cooling, and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium, and workpiece transfer facilities.
Hardening
Harden at a temperature of 760-780°C. Quench in water.
Tempering
Tempering is recommended for stress relief and maximum case toughness. Tempering ranges from 150-200°C.
Normalizing
Normalize at 840-870°C, and cool in air.
Annealing
Heat uniformly to 700°C. Soak well and cool slowly in the furnace.
Mechanical Properties
| Tensile Strength | Elongation | Impact | Impact | Test Piece |
| Rm N/mm2 |
percent 5.665ÖSo |
Izod J |
KCV J |
Size |
| 490 460 430 |
16 16 18 |
30 30 30 |
35 35 35 |
13 19 29 |
Thermal Properties
| THERMAL PROPERTIES | METRIC | IMPERIAL |
|---|---|---|
| Thermal conductivity | 51.9 W/mK | 360 BTU in/hr.ft².°F |
Forging Properties
Heat slowly and uniformly to 1100°C. After forging cool slowly.
Stress Reliving
After rough machining tools should be stress relieved. Soaking time 2 hours after the whole piece has attained a temperature of approximately 675°C. Cool in a furnace to approximately 500°C, and then freely in the air.
Supply Cities
Ambattur, Bangalore, Chennai, Coimbatore, Dindigul, Guindy, Madurai, Nellore, Hyderabad, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Kanyakumari, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore, Karur, Nagercoil, Kanchipuram, Karaikudi, Pudukottai, Nagapattinam.
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