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.

Grade Application:

• Gears

• Shafts

• Stressed pins

• Studs

• Bolts

• Keys

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

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.

 

Our Supply Range:

Price List:

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	—

Hardness:

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Physical Properties:

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Forging Properties:

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Normalizing:

Annealing:

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Machinability:

Welding:

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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