Building Reliable Structures with 16NiCr11 Steel: A Critical Component in Construction

1. Specification:
– Steel Grade: 16NiCr11
– Dimensions: Various shapes and sizes
– Tensile Strength: Minimum 820 MPa
– Yield Strength: Minimum 680 MPa
– Elongation: Minimum 12%
– Hardness: 200-260 HB
– Impact Energy: Minimum 27 Joules at -20°C
– Surface Condition: Smooth and free from defects
– Heat Treatment: Quenched and tempered

2. Mechanical Properties:
– High tensile strength: 16NiCr11 steel exhibits a minimum tensile strength of 820 MPa, ensuring the structural integrity and load-bearing capacity of the construction.
– Good yield strength: With a minimum yield strength of 680 MPa, this steel provides resistance against deformation and permanent deflection under loads.
– Adequate elongation: The minimum elongation of 12% ensures the material’s ability to withstand plastic deformation without fracturing, allowing for flexibility in structural applications.
– Optimal hardness: The hardness range of 200-260 HB ensures the steel’s resistance to wear, abrasion, and indentation, contributing to its durability and longevity.
– High impact energy: The minimum impact energy of 27 Joules at -20°C ensures that 16NiCr11 steel can withstand sudden loads and external forces, making it suitable for construction in harsh environments.

3. Chemical Composition:
– Carbon (C): 0.14-0.20%
– Silicon (Si): 0.15-0.35%
– Manganese (Mn): 0.50-0.80%
– Nickel (Ni): 1.30-1.70%
– Chromium (Cr): 0.70-1.00%
– Sulfur (S): maximum 0.025%
– Phosphorus (P): maximum 0.035%
– Copper (Cu): maximum 0.30%

The chemical composition of 16NiCr11 steel ensures the desired combination of strength, hardness, and toughness necessary for construction purposes. The presence of nickel and chromium contributes to the steel’s high tensile strength and resistance to corrosion. Additionally, controlled levels of carbon, silicon, manganese, sulfur, phosphorus, and copper enhance the steel’s machinability, formability, and weldability.

Overall, 16NiCr11 steel is an excellent material choice for building reliable structures in the construction industry, offering a balance of mechanical properties and chemical composition that fulfill the stringent requirements of durability, strength, and integrity.
16NiCr11 Steel grade
1698974371