41Cr4 / 1.7035 Alloy Steel

Steel Hex Bar 1.7035 / 40X / 41Cr4

Steel hex bar 1.7035 (40X / 41Cr4) is a low-alloy structural steel widely used in mechanical engineering and metalworking. It features high strength, wear resistance, and excellent hardenability, making it an ideal choice for producing critical components that operate under high loads.

General Technical Characteristics

Key properties of 1.7035 (40X / 41Cr4) steel:

• Steel type: low-alloy structural steel.
• Yield strength: 500-800 MPa (depending on heat treatment).
• Tensile strength: 750-1100 MPa.
• Hardness after quenching: 50-55 HRC.
• Operating temperature: up to 450°C.

Applications of Steel 1.7035 (40X / 41Cr4)

Due to its excellent mechanical properties, 1.7035 steel hex bar is used in the manufacturing of:

• Mechanical components – shafts, axles, gears, spindles, and pins.
• Automotive and tractor parts – piston rods, transmission elements.
• Construction machinery – screws, bolts, nuts, and levers.
• Tools and high-load machine parts operating in harsh environments.

Key Features of Steel 1.7035 (40X / 41Cr4)

✅ High wear resistance – performs well under friction and impact loads.
✅ Excellent hardenability – responds well to oil or water quenching.
✅ Stable mechanical properties – ensures durability after heat treatment.
✅ Good weldability (with preheating) – suitable for complex constructions.

Chemical Composition of Steel 1.7035 (40X / 41Cr4)

This alloy contains chromium, which enhances hardness and corrosion resistance:

• Carbon (C): 0.37-0.45%
• Silicon (Si): 0.10-0.40%
• Manganese (Mn): 0.50-0.80%
• Chromium (Cr): 0.90-1.20%
• Sulfur (S) and Phosphorus (P): ≤ 0.035%

Mechanical Properties of Steel 1.7035

• Yield strength: 500-800 MPa.
• Tensile strength: 750-1100 MPa.
• Elongation: 10-15%.
• Impact toughness: ≥ 35 J/cm².
• Hardness after heat treatment: 50-55 HRC.

Advantages of Steel Hex Bar 1.7035 (40X / 41Cr4)

✔ Optimal balance of strength and plasticity – allows for strong yet non-brittle components.
✔ High wear resistance – ideal for parts exposed to constant friction.
✔ Heat treatable – mechanical properties can be adjusted through quenching and tempering.
✔ Good machinability – easy to cut, grind, and weld.

This steel is an excellent choice for manufacturing mechanical components, transmission parts, fasteners, and machine-building elements that operate under high loads.

Delivery forms of steel hexagon 1.7035 / 40Х