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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