EN41B Grade Introduction:

En41B Alloy steel is a 1.5% Chromium Aluminum Molybdenum Nitriding Steel. En41B is a very popular grade of low carbon Manganese Free Cutting Steel, which is most suitable for the manufacture of repetition turned components, such as nuts, bolts, hydraulic fittings, and studs, particularly where intricate drilling and machining operations are involved. It can be case-hardened, producing components with enhanced wear resistance. En41B Alloy steel is Chromium Aluminum Molybdenum Steel which is usually supplied in hardened and tempered condition. Properties of the steel combine high wear resistance together with toughness and ductility. It is defined by its suitability for nitriding from which 905M39 can give a hardware resistance case up to 68HRc. Suitable for applications requiring excellent resistance to wear and abrasion.

 

EN41B Grade Application:

EN41B is used for applications that require high wear resistance and abrasion in the automotive, textile, and general engineering industries.

Typical applications: connecting rods, small extrudes, valve stems, brick press plates, clutch plates, gudgeon, track and shackle pins, injection molding equipment, hydraulic cylinders, gears, and pinions, die inserts, valve and gate parts, cams, piston pins, etc.

 

EN41B Equivalent grades:

BS 970:1955 :EN24T. BS 970:1991 :817M40T

 

Addition to other grades:

MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS M2, M35, M42, DIN-1.2714, P20, P20+S, P20+Ni, SCM420, ASTMSA-36, ASTM SA-105 , SAE1018, SAE1010, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.

 

 

Our Supply Range:

 

Price List:

 

 

EN41B Chemical composition:

The following table shows the chemical composition of EN41B steel:

Element	C	Si	Mn	S	P	Cr	Mo	Al
Content (%)	0.35-0.45	0.10-0.45	≤0.65	≤ 0.035	≤ 0.035	1.40-1.80	0.10-0.25	1.90-1.30

 

EN41B Mechanical Properties:

Condition	Tensile Strength, Mpa	Yield Strength,  Mpa	Elongation, %	Izod, KCV J	Hardness, HB
R	700-850	480	16	28	201-255
S	775-925	525	14	16	223-277

 

EN41B Hardness:

Hardness: max 229HB

 

EN41B 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 component. Other considerations during the heat treatment process include the type of furnace, quenching medium, and workpiece transfer facilities.

 

EN41B Hardening:

930 – 970°C, water or oil quench.

 

EN41B Tempering:

600 – 650°C, Cooling in air.

 

EN41B Physical Properties:

DENSITY (G/CM 3)	8.08
DENSITY (LB/IN 3)	0.292
MELTING POINT (°C)	1425
MELTING POINT (°F)	2600

 

EN41B Thermal Properties:

Thermal Conductivity W/mK – 45

Coefficient of Thermal Expansion 0-250°C – 13.1

 

EN41B Forging Properties:

850 – 1200°C, cooling as slowly as possible in the sand after forged.

 

EN41B Stress Relieving:

If machining operations have been heavy or if the tool has an unbalanced section, remove stresses before hardening by heating up to 700°C, equalize, then cool slowly.

 

EN41B Normalizing:

930 – 970°C, Cooling in air.

 

EN41B Annealing:

840 – 870°C, Cooling in the furnace.

 

EN41B Density:

Density (G/CM 3) – 8.08.

 

EN41B Machinability:

Readily machinable.

 

EN41B Welding:

Not recommended.

 

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.

 

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