Quench & Tempered Steel Plate

Calibre Steel is proud to offer the full range of quenched and tempered (Q&T) steel plate products, renowned for their exceptional strength, durability, and versatility.

Designed for applications requiring high strength, impact resistance and excellent weldability, Calibre Steel supplies customers with high quality Q&T plate products manufactured in Australia by Bisalloy Steel. Offering: BISALLOY® Structural Steel, Wear Steel, Armour Steel and Protection Steel.

Our Range of Q&T Steel Plate Products

BISALLOY® Structural Steel

Designed for applications requiring high strength and excellent weldability, Bisalloy Structural Steel is ideal for reducing weight without compromising structural integrity. Available grades include:

  • BISALLOY® Structural 60 Steel: Yield strength of 500 MPa, suitable for storage tanks, columns, and mobile lifting equipment.
  • BISALLOY® Structural 70 Steel: Yield strength of 700 MPa, used in overhead cranes and container handling equipment.
  • BISALLOY® Structural 80 Steel: Yield strength of 800 MPa, applicable in mining equipment and structural components.
  • BISALLOY® Structural 100 Steel: Yield strength of 900 MPa, ideal for heavy-duty applications like road and rail bridge beams.

2. BISALLOY® Wear Steel

Engineered for extreme durability, Bisalloy Wear Steel offers outstanding abrasion resistance, making it suitable for:

  • Mining and earthmoving equipment
  • Chutes, hoppers, and bins
  • Dragline and shovel buckets
  • Ground engaging tools

Grades include BISALLOY® Wear 320, 400, 450, 500, and 600, each offering increasing hardness levels to meet specific application needs.

3. BISALLOY® Armour Steel

Providing ballistic protection, Bisalloy Armour Steel is used in military and security applications such as:

  • Defence vehicles
  • Secure containers
  • Guard houses and infrastructure

4. BISALLOY® Protection Steel

Designed for high shock loading and resistance to penetration, Bisalloy Protection Steel is suitable for:

  • Riot and police vehicles
  • Patrol vehicles
  • Infrastructure protection

Key Benefits

  • Enhanced Toughness and Impact Resistance
    Q&T steel plate has superior toughness, making it resistant to cracking under high-stress conditions. The tempering process reduces brittleness and improves the steel’s ability to absorb energy from impacts or shocks, making it ideal for high-impact environments like mining and construction.
  • Improved Fatigue Resistance
    Q&T steel plate’s combination of high strength and toughness provides excellent fatigue resistance, meaning it can withstand cyclic loading without failure. This is particularly beneficial for applications like structural components in heavy machinery, vehicles, and aerospace parts.
  • Superior Wear Resistance
    The heat treatment process increases the hardness of the steel, offering superior wear resistance. This property makes Q&T steel plate ideal for components exposed to abrasive conditions, such as mining equipment, earthmoving machinery, and construction tools. It minimizes wear and tear, reducing maintenance and downtime.
  • Customisable Properties
    One of the key benefits of Q&T steel plate is the ability to tailor its properties for specific applications. The quenching and tempering process can be adjusted to create steel that is optimized for strength, hardness, or toughness depending on the needs of the project.
  • Extended Service Life
    Due to its superior properties, Q&T steel plate provides a longer service life compared to conventional carbon steels. This translates into cost savings for industries that rely on durable and reliable materials, as components made from Q&T steel require fewer replacements, reducing overall operational costs.
  • Australian-Made Quality & Technical Support
    Manufactured in Australia, Bisalloy Steel products adhere to stringent quality standards, ensuring reliability and performance. Bisalloy Steel provides comprehensive technical support, including fabrication guidance and product specifications, to assist customers in selecting the right materials for their projects.

Availability and Ordering

Calibre Steel stocks a comprehensive range of Q&T steel plate products, available in various grades and thicknesses to meet your specific requirements. Our team is ready to assist you in selecting the appropriate product and facilitating timely delivery to your location.

Manufactured by Bisalloy Steel, the following Q&T steel plate is available. Supplied by Calibre Steel:

Thickness Range (mm)Width Range (mm)Availability
BISALLOY Structural Steel5-100VariousNot all thickness and width combinations are available

Other sizes may be available by enquiry
Thickness Range (mm)Width Range (mm)Availability
BISALLOY Wear Steel5-120VariousNot all thickness and width combinations are available

Other sizes may be available by enquiry

Q&T steel plate manufactured by Bisalloy Steel.

Calibre Steel is proudly associated with and supplied by Bisalloy Steel as their high-quality steel plate products and service align with our own offerings. We offer all our customers full traceability and certification on all Bisalloy products, providing peace of mind for all types of projects. Environmental Product Declarations (EPDs), Test Certificates and Green Star Compliance are made readily available for government and civil projects requiring quality assurance and environmental sustainability.

In addition, with the Bisalloy Steel manufacturing mill being local, technical support is only a phone call away. If there is an issue, a face-to-face visit will be scheduled urgently, unlike the challenges of getting answers from overseas suppliers and mills. At Calibre Steel, we generally stock Q&T steel plate in a wide range of thicknesses as available and can easily custom-order other widths and lengths if required for your project.

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