Description
EN41B Grade Introduction: EN41B is a low-carbon, free-cutting alloy steel composed of 1.5% Chromium, Aluminum, and Molybdenum. It is widely recognized for its excellent wear resistance, toughness, and ductility. Commonly used in the hardened and tempered condition, EN41B is particularly suitable for components that require nitriding to achieve a case hardness of up to 68 HRC. It is ideal for intricate drilling, turning operations, and components subjected to high wear and abrasion, such as hydraulic fittings, studs, and bolts.
EN41B Grade Application: EN41B is commonly employed in industries requiring high wear and abrasion resistance, such as automotive, textile, and general engineering sectors. It is used to manufacture components like connecting rods, valve stems, clutch plates, injection molding equipment, hydraulic cylinders, gears, die inserts, and piston pins.
EN41B Equivalent Grades:
- BS 970:1955: EN24T
- BS 970:1991: 817M40T
Addition to Other Grades: Grades include 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, ASTM SA-36, ASTM SA-105, SAE1018, SAE1010, SAE4140, SAE8620, 16MNCR5, 20MNCR5, C20, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55Mn75, SAE52100, S40C, and S355J2G3.
Our Supply Range:
Price List: EN41B Alloy Steel
EN41B Chemical Composition:
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.35-0.45 |
| Silicon (Si) | 0.10-0.45 |
| Manganese (Mn) | ≤0.65 |
| Sulfur (S) | ≤0.035 |
| Phosphorus (P) | ≤0.035 |
| Chromium (Cr) | 1.40-1.80 |
| Molybdenum (Mo) | 0.10-0.25 |
| Aluminum (Al) | 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:
- Maximum Hardness: 229 HB
EN41B Heat Treatment: Heat treatment varies depending on the shape and size of each component. It involves controlling the heating, cooling, and soaking times, along with the type of furnace, quenching medium, and workpiece transfer conditions.
EN41B Hardening:
- Heat to 930 – 970°C, quench in water or oil.
EN41B Tempering:
- Temper between 600 – 650°C, then cool in air.
EN41B Physical Properties:
- Density: 8.08 g/cm³ (0.292 lb/in³)
- Melting Point: 1425°C (2600°F)
EN41B Thermal Properties:
- Thermal Conductivity: 45 W/mK
- Coefficient of Thermal Expansion (0-250°C): 13.1 e-6/K
EN41B Forging Properties:
- Forge at 850 – 1200°C and cool slowly, preferably in sand.
EN41B Stress Relieving: If machining operations have caused significant stress or uneven sections, perform stress relieving by heating to 700°C, then equalize and cool slowly.
EN41B Normalizing:
- Heat to 930 – 970°C, and cool in air.
EN41B Annealing:
- Heat to 840 – 870°C, followed by slow cooling in the furnace.
EN41B Density:
- Density: 8.08 g/cm³
EN41B Machinability: The material is highly machinable, especially when in its annealed condition.
EN41B Welding: Welding is not recommended for EN41B due to the risk of cracks forming during the process.
Supply Cities:
Mumbai 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, Visakhapatnam, Kochi, Kerala, Hubli-Dharwad, Karnataka, Ghaziabad Kolkata.
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