HB 400 steel: A high-strength and wear-resistant material for demanding applications
HB 400 steel is a high-strength and wear-resistant material that is primarily used in the construction, mining, and earthmoving industries. This steel grade is known for its excellent toughness, high resistance to abrasion, and good weldability, making it a popular choice for heavy-duty applications where performance and durability are essential.
The HB in HB 400 steel stands for “Hardness Brinell,” which is a standard measurement of a material’s hardness. The 400 indicates the steel’s Brinell hardness value, which is 400 HB. This means that it is a hard and durable material with a high level of abrasion resistance.
One of the key advantages of HB 400 steel is its ability to withstand heavy impact and sliding abrasion. It has a high yield strength of around 1200 MPa, which makes it more resistant to bending or breaking under pressure. Additionally, HB 400 steel has a high tensile strength of approximately 1600 MPa, enabling it to withstand heavy loads and stresses.
Another essential property of HB 400 steel is its wear resistance. This steel grade has a high carbon content, which forms a hard and abrasion-resistant surface layer when it is heat-treated. This surface layer protects the steel from wear caused by friction and impact, making it ideal for high-wear applications such as bucket edges, excavator buckets, and bulldozer blades.
HB 400 steel is also weldable, allowing it to be fabricated into different shapes and applications. It can be easily cut, bent, and formed to suit a variety of manufacturing requirements. Welding is possible using common welding techniques and provides a high-quality bond that maintains the structural integrity of the steel.
In conclusion, HB 400 steel is a highly durable and wear-resistant material that is ideal for demanding applications, such as earthmoving, construction, and mining. Its high strength, toughness, and weldability make it a popular choice for heavy-duty equipment and machinery that requires exceptional performance and reliability.