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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, OHNS, HCHCR, D2, D3, H-11, H-13, CW-1, 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, SAE 52100, S40C, S355J2G3.

 

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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	—

 

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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, Trichy, Erode, Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil, Kanchipuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam, Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai, Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijayawada, Guntur, Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad, Mahabubnagar, Karimnagar.