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BISALLOY® Armour Steel

Supporting global defence forces with ballistic
grade armour plate.

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BISALLOY® Armour Steel

Supporting global defence forces with ballistic
grade armour plate.

WhatsApp Image 2025-10-21 at 10.06.00 (3)
BISALLOY® Armour Steel

Supporting global defence forces with ballistic
grade armour plate.

WhatsApp Image 2025-10-21 at 10.06.00 (1)
BISALLOY® Armour Steel

Supporting global defence forces with ballistic
grade armour plate.

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Typical Application

BISALLOY® Armour steel is specified for use in a number of different applications, including;

Bisalloy® Armour Steel Range

Australian and International defence industries trust the BISALLOY® Armour steel range as we continually work with leaders in science and technology to deliver innovative military-grade steel solutions. By trusting in Bisalloy, you are assured the optimal strength, weldability and toughness for your shielding applications.

With its application in international defence departments and used by major original equipment manufacturers (OEMs) for land and sea projects, particularly armoured vehicles, BISALLOY® Armour steel has gone through various military standards and specifications in Australia and worldwide. With its typical application in armoured vehicles, the product has been proven to safeguard the well-being of the occupants. An asset you can’t put a price on.

As we specialise in impact-resistant, military-grade armour steel, we are driven to ensure you get the right armour solution to best protect against the ballistic projectiles seen in hostile, extreme environments.

Range
Thickness
Hardness (Spec.)
Tensile Strength (Typical)
Equivalent Specification
Data sheet
BISALLOY® Armour 80A Steel
5 – 50mm
255 HB (Typical)
860 MPa
N/A
BISALLOY® Armour RHA300 Steel
5 – 50mm
260 – 310 HB
1000 MPa
MIL – DTL – 12560 class 2
BISALLOY® Armour RHA360 Steel
5 – 50mm
310 – 410 HB
1140 MPa
MIL – DTL – 12560 class 1
BISALLOY® Armour HTA400 Steel
5 – 50mm
370 – 430 HB
1250 MPa
N/A
BISALLOY® Armour UHT440 Steel
5 – <30mm
420 – 470 HB
1450 MPa
MIL – DTL – 12560 class 4
BISALLOY® Armour HHA500 Steel
6 – 20 mm
477 – 534 HB
1640 MPa
MIL – DTL – 46100
BISALLOY® Armour VHH550 Steel
5.5 – 50mm
530 – 570 HB
1850 MPa
MIL – DTL – 46186
BISALLOY® Armour UHH600 Steel
5 – 25mm
570 – 640 HB
2050 MPa
MIL – DTL – 32332 class 1 (≤16mm)

The benefits of choosing BISALLOY® Armour steel

Australian-made

This represents the highest standards in quality and service, which customers in Australia and our global markets have relied upon for decades.

Technical expertise

Our people are experts in specifying, developing, manufacturing and using our products. Bisalloy Steels’ range of wear plate grades are specifically designed, hot rolled and heat treated to provide the best solution in a wide range of demanding applications.

Partnerships focused

With Bisalloy Steels, you are partnering with a company that works closely with customers, and engages with leaders in science and technology, to deliver truly innovative and tailored product solutions and services.

Known and trusted

You have the confidence of working with known and trusted, quality products from an Australian steel manufacturer with over 40 years of expertise in producing market-leading wear grade steel and other performance steel products for Australia and the world.

Product quality

Bisalloy Steels’ product quality is second to none. The technology used in the manufacture of BISALLOY® steel is not only world class, but the demands of high strength and high hardness steels dictate the need for one of the most stringent process routes utilised in the manufacture of steel plate, anywhere in the world.

Product range

We locally produce a wide range of quenched and tempered steel products to meet the varying requirements and needs of our many customers – and are committed to ongoing research and development to ensure Bisalloy Steels’ product range remains at the leading edge of available quenched and tempered steels.

Related Case Studies

Zeroed – BISALLOY® Armour Steel Spotlight

Miras Steel Trade

Bisalloy® Protection Steel

Related resources

Product

BISALLOY® Armour Brochure

Technical

BISALLOY® Armour Steel Performance Guide

Fabrication

Armour Plate Fabrication