EN8M

Grade Introduction:
EN8M carbon steel (212M36) is a through hardening carbon manganese free-cutting steel, usually supplied untreated. This steel has good tensile strength. So it is often used in gears, shafts, stressed pins, studs, bolts, keys, etc.

EN8M carbon steel is a free-machining grade and is readily machinable in any condition. It can be further surface-hardened to produce components with enhanced wear resistance, typically to 50-55 HRC through induction processes. It is a free-cutting version of EN8M carbon steel made for easy machining.

Equivalent Grades

USA Japanese Germany British France International Chinese
ASTM&AISI&SAE JIS EN DIN EN BS EN NF ISO GB
1345 SMnC443 EN8M EN8M EN8M —— 45Mn2

Grade Application

  • Gears
  • Shafts
  • Stressed pins
  • Studs
  • Bolts
  • Keys

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 EN8M steel:

Element C Si Mn S P
Content (%) 0.35 – 0.45 0.25 1.00 – 1.30 0.12 – 0.20 0.060 Max

Mechanical Properties

Max Stress 700-850 n/mm2 (up to 19mm LRS)
Yield Stress 495 n/mm2 Min (12% if cold-drawn)
Elongation 16% Min (up to 19mm LRS
Impact KCV 28 Joules Min HB
Hardness 201-255 Brinell J(minimum)
Charpy V-Notch Impact = Room Temp 28

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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Addition to other grades

MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, DIN1.2714, P20, P20+S, P20+Ni, SCM420, ASTMSA-36, ASTMSA-105, SAE1018, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.