Abrasion Resistant & Wear Resistant

Abrasion Resistant (AR) Steel Plates are specially designed to withstand extreme wear and tear, impact, and sliding abrasion. These plates are commonly used in mining, construction, quarrying, cement, recycling, and earthmoving equipment. Their high hardness, excellent toughness, and superior wear life help reduce maintenance downtime and increase productivity.

Available in different hardness grades like AR400, AR450, AR500, AR600, and proprietary grades (e.g., Hardox®, JFE-EH, Quard®, etc.), these plates offer excellent durability in harsh environments.

• Exceptional resistance to abrasion and wear

• High surface hardness (up to 600 BHN)

• Maintains good formability and weldability

• Reduces maintenance frequency and downtime

• Suitable for impact-heavy and sliding abrasion applications

• Mining equipment (buckets, liners, screens)

• Earthmoving and excavation tools

• Cement and aggregate plant wear parts

• Truck beds, hoppers, and dump bodies

• Shot blasting machines and armor plating

• Recyclers, shredders, and conveyor systems

• Compatible with shielded metal arc welding (SMAW), GMAW, and FCAW

• Recommended preheat for thicker sections to prevent cracking

• Can be cut using plasma, oxy-fuel, or laser

• Cold forming possible with appropriate radii and slow bend rates

• Mill Test Certificates – EN 10204 3.1 / 3.2

• Chemical Composition & Hardness Test Reports

• Dimensional & Ultrasonic Test Reports (on request)

• Third-party inspection reports (if needed)

Product Description:
Abrex 400 Plates are high-strength, wear-resistant steel plates manufactured by Nippon Steel & Sumitomo Metal Corporation (NSSMC). These plates offer an outstanding balance of hardness (360–440 HBW) and toughness, designed for applications exposed to severe wear and impact environments.

Key Features:

• Nominal hardness of 400 Brinell

• Superior abrasion and sliding wear resistance

• Excellent bendability and weldability

• Extended service life and cost-efficiency

• Good impact toughness at low temperatures

Specifications:

• Grade: Abrex 400

• Thickness: 3mm – 100mm

• Width: 500mm – 3000mm

• Length: 1000mm – 12000mm

• Hardness Range: 360 – 440 HBW

• Heat Treatment: Quenched & Tempered (Q+T)

Mechanical Properties:

• Yield Strength: Min. 1000 MPa

• Tensile Strength: 1250 MPa (typical)

• Elongation: Min. 10%

• Impact Test: ≥45J at -40°C (longitudinal)

Applications:

• Heavy-duty dump truck bodies

• Bulldozer blades and buckets

• Material handling systems

• Crushers, chutes, and conveyors

• Railway wagons and hoppers

• Liner plates and wear strips

Available Processing Options:

• Precision cutting (laser/plasma/oxy)

• Forming and rolling

• Drilling, tapping, and countersinking

• Welding with low-hydrogen filler metals

Equivalent Brands:

• Hardox 400 (SSAB – Sweden)

• Raex 400 (RUUKKI – Finland)

• Dillidur 400V (Dillinger – Germany)

• XAR 400 (ThyssenKrupp – Germany)

• Rockstar 400 (Essar – India)

Country of Origin:
Japan (NSSMC)

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Diamond Alloys is the largest finned produce supplier and stockiest of ABREX 400 PLATES. It was made on the philosophy of forever recognizing the needs of its consumers and thoughtful that quality. On time delivery, price and consumer service are paramount to it’s a success. It services to reckon with in the field of developed and exporting best quality.

ABREX 400 PLATES use of opposed to ABREX steel plate noticeably reduces the weight of structural members exposed to strict conditions. Compared with other goods with ABREX steel plate reduces structural weight and bring economic merits.

It does not suffer consistent corrosion, like carbon steel when uncovered to wet environments. Unprotected steel rusts eagerly when exposing to the combination of air and moisture. The resulting iron oxide outside layer is porous and fragile. While iron oxide occupies a larger quantity than the original steel this coating expands and tends to flake and fall away revealing the underlying steel to further attack.

In comparison, stainless steels contain enough chromium to undergo passivation, form a microscopically thin inert surface film of chromium oxide by the response with the oxygen in the air and even the little amount of dissolved oxygen in the water. These passive films stop further corrosion by blocking oxygen dispersion to the steel surface and thus stop corrosion from spreading into the size of the metal.

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Diamond Alloys is leading as the reliable and trustworthy manufacturer, supplier and exporter and stockiest of the high quality of ABREX-NSSMC Plates. They are fully involved in manufacturing and providing a wider range of plates for easily able to fulfill all applications desirability without any problems. The plate that they are offering of the buyers is varying in wall thickness, sizes, length etc. It to the global and domestic buyers is provided at custom made specifications exactly as per the demands the buyers have made without quality compromise. The plates are provided to the buyers are at market leading rates with good value-added and sales after services.

Why to use ABREX

The use of ABREX steel plates that is abrasion resistance markedly has reduced the structural members’ weight exposed to the high abrasive conditions. As compared to the regular steel, the ABREX steel plates reduce the structural weight as well as deliver the economic merits. The adoption of the greater performances abrasion resistant steel plates will definitely prolong the service life of the components and machineries.

Manufacturing of the plates-

The production process of the ABREX-NSSMC Plates begins up with the collection of the very good quality of raw materials. The raw materials are collected from the reliable market vendor’s that guarantees it to have 100% superiority in its quality. The raw material is tested by the expert 's team for the purpose of assuring that purity is there at the raw materials.

Product Description:
HARDOX SSAB 450 Plates are abrasion-resistant steel plates with a nominal hardness of 450 HBW. Manufactured by SSAB Sweden, these plates provide a unique combination of hardness, toughness, and workshop performance. HARDOX 450 offers excellent structural strength and wear resistance, making it ideal for applications where higher wear performance and lighter structures are required.

Key Features:

• High abrasion resistance with nominal 450 Brinell hardness

• Excellent weldability and formability

• Extended service life and reduced maintenance

• Reduced weight with increased payload capacity

Specifications:

• Brand: HARDOX 450

• Manufacturer: SSAB (Sweden)

• Hardness Range: 425 – 475 HBW

• Thickness: 3mm to 130mm

• Width: 500mm to 3000mm

• Length: 1000mm to 12000mm

• Heat Treatment: Quenched and Tempered (Q+T)

Mechanical Properties:

• Yield Strength: ≥1200 MPa

• Tensile Strength: 1350 – 1550 MPa

• Elongation: ≥10%

• Impact Strength: ≥40J at -40°C (Charpy V-Notch, longitudinal)

Applications:

• Heavy-duty tipper bodies and dump truck linings

• Mining and quarry equipment

• Buckets, crushers, and chutes

• Structural and high-wear components in industrial machinery

Available Processing:

• CNC Cutting

• Drilling & Machining

• Bending & Forming

• Surface Coating

Country of Origin:
Sweden (SSAB Steel)

Product Overview

BHN 400 Plates, also known as AR 400 (Abrasion Resistant 400) Plates, are wear-resistant steel plates with a nominal Brinell Hardness Number (BHN) of 400. These plates are specifically designed to resist sliding wear, impact, and abrasion in demanding industrial environments.

Ideal for industries such as mining, cement, quarrying, construction, earthmoving, and material handling, BHN 400 plates extend equipment life, reduce maintenance downtime, and improve overall performance in abrasive environments.

Key Features

• Nominal hardness: 400 BHN (370–430 BHN range)

• High resistance to wear, gouging, and impact

• Excellent strength-to-weight ratio

• Good formability and weldability (with proper techniques)

• Supplied in quenched and tempered condition

Specifications

Typical Mechanical Properties

Typical Chemical Composition (% Max)

Values may vary slightly based on manufacturer

Applications

• Earthmoving and mining equipment (buckets, blades, liners)

• Dump truck beds and hoppers

• Crushers, chutes, and feeders

• Construction machinery wear parts

• Cement plant equipment and conveyor systems

• Screens, shredders, and recycling units

Weldability & Fabrication

• Can be welded using standard low-hydrogen electrodes

• Preheat and interpass temperature control is advised

• Cold forming possible with large radii and slow forming speeds

• Cutting via plasma, laser, or waterjet recommended

Certifications & Documentation

• Mill Test Certificate – EN 10204 3.1 / 3.2

• Hardness and Chemical Analysis Report

• Dimensional Tolerance Report

• Third-party inspection certificates (optional)

BHN 450 plates are wear-resistant steel plates known for their superior hardness, strength, and impact toughness. Designed for high-abrasion applications in mining, earthmoving, cement, recycling, and material handling industries.

• Thickness: 3 mm – 200 mm

• Width: up to 4500 mm

• Length: up to 18000 mm

• Condition: Quenched & Tempered (Q+T)

• Edge Finish: Mill edge or custom cut

• C: 0.20 – 0.26

• Mn: up to 1.6

• Si: up to 0.70

• Cr / Ni / Mo / B: Present in small controlled amounts

• CEV: 0.41 – 0.72 (varies with thickness)

• Hardox 450

• Raex 450

• Quard 450

• Sumihard K400 / Brinar 400 / Dillidur 450

• Good weldability with proper preheating for thick plates

• Suitable for bending, drilling, and cutting using plasma, laser, or oxy-fuel

• Use low-hydrogen electrodes for SMAW welding

• Supplied with EN 10204 3.1 / 3.2 certificates

• Hardness, tensile, impact, and ultrasonic testing as per application

• Mining equipment (buckets, dump bodies)

• Cement hoppers and chutes

• Crushers, screens, and liners

• Recyclers and shot-blasting machines

• Security and structural wear applications

BHN 500 plates are ultra-high hardness steel plates designed to offer excellent resistance against severe abrasion and impact. These plates are ideal for highly demanding applications where long service life and weight reduction are critical.

• Thickness: 3 mm – 200 mm

• Width: Up to 3000 mm

• Length: Up to 12000 mm

• Condition: Quenched & Tempered (Q+T)

• Surface: Hot-rolled / Cold-rolled / Coated (optional)

• Edges: Mill edge, sheared, or custom cut

• Plasma / Laser / Oxy-fuel cutting

• CNC Machining / Bending / Drilling

• Preheat welding recommended for thick sections

• Cold forming possible with suitable tools

• EN 10204 3.1 / 3.2 certificates

• Hardness, tensile, ultrasonic, impact, and PMI testing

• Third-party inspection on request

• Packed in waterproof wrapping, steel-strapped pallets or wooden crates

• Marked with heat number, grade, size, and batch details

• Export packing as per international norms

• Mining (buckets, liners, dump truck bodies)

• Crushers and screens

• Shot-blasting machines

• Recycling plant equipment

• High-performance wear parts

• Construction and demolition tools

• Security panels and anti-drill plates

Product Description:
BHN 550 Plates are highly durable, abrasion-resistant steel plates designed for maximum wear performance. With a nominal hardness of 550 Brinell (HBW), they are ideal for industries requiring extreme resistance to abrasive environments, such as mining, quarrying, and material handling.

Key Features:

• Superior abrasion and impact resistance

• Excellent hardness and strength balance

• Good formability and weldability

• Prolongs equipment life and reduces maintenance downtime

Specifications:

• Material Grade: BHN 550

• Hardness: 525 – 575 HBW

• Thickness Range: 6mm to 100mm

• Width: 500mm to 3000mm

• Length: 1000mm to 12000mm

• Heat Treatment: Quenched and Tempered (Q+T)

Mechanical Properties:

• Yield Strength: ≥1250 MPa

• Tensile Strength: 1500 – 1700 MPa

• Elongation: Min. 10%

• Charpy V-Impact: ≥30 Joules at -40°C (longitudinal)

Applications:

• Earthmoving equipment

• Dump truck liners

• Chutes, hoppers, and crushers

• Coal and cement plant wear liners

• Screens and cutting edges

• Industrial wear parts

Processing Services:

• Plasma / Laser / Oxy Cutting

• Forming & Bending

• Drilling & Machining

• Welding with low-hydrogen electrodes

Available Brands (Typical):

• QUARD 550 – DUFERCO (Belgium)

• DILLIDUR 550 – Dillinger (Germany)

• XAR 550 – ThyssenKrupp (Germany)

• RAEX 550 – RUUKKI (Finland)

• Rockstar 550 – Essar Steel (India)

Product Description:

ROCKHARD 400 Plates are premium-quality abrasion-resistant steel plates manufactured by Jindal India. These plates are designed to offer exceptional hardness, strength, and wear resistance, making them ideal for industries facing extreme mechanical wear conditions.

Key Features:

• Nominal Hardness: 400 BHN
• Excellent Toughness and Impact Strength
• Enhanced Weldability and Fabrication Ease
• Longer Service Life in Harsh Environments
• Low Maintenance, High Durability

Specifications:

• Grade: ROCKHARD 400
• Thickness: 3mm – 100mm
• Width: 500mm – 3000mm
• Length: 1000mm – 12000mm
• Heat Treatment: Quenched & Tempered (Q+T)
• Hardness Range: 370 – 430 BHN
• Mechanical Properties:
• Yield Strength: ≥1000 MPa
• Tensile Strength: Up to 1250 MPa
• Elongation: Min. 10%
• Impact Test (Longitudinal): ≥45J at -40°C

Applications:

• Truck bodies and dumper liners
• Earthmoving and mining machinery
• Steel plant and cement plant chutes
• Conveyor systems
• Bulldozer blades and excavator buckets
• Railcars and loaders
• Available Processing Services:
• Precision Cutting (Laser, Plasma)
• Forming, Bending, and Rolling
• Machining & Drilling
• Welding Fabrication
• Equivalent Grades:
• Abrex 400 – NSSMC (Japan)
• Hardox 400 – SSAB (Sweden)
• Raex 400 – RUUKKI (Finland)
• Dillidur 400V – Dillinger (Germany)
• XAR 400 – ThyssenKrupp (Germany)
• Rockstar 400 – Essar Steel (India)

Country of Origin:

India – Manufactured by JINDAL

Product Description:
Rockstar 400 Plates are high-performance abrasion-resistant steel plates manufactured by Essar Steel India Ltd. Engineered for maximum wear resistance, these plates provide outstanding strength, toughness, and durability in challenging environments with high mechanical wear and tear.

Key Features:

• Nominal Hardness: 400 BHN

• Excellent Impact Strength and Weldability

• Superior Wear and Abrasion Resistance

• Ideal for High-Load and Harsh Applications

• Enhanced Lifespan in Tough Environments

Specifications:

• Grade: Rockstar 400

• Thickness: 3mm – 100mm

• Width: 500mm – 3000mm

• Length: 1000mm – 12000mm

• Heat Treatment: Quenched & Tempered (Q+T)

• Hardness Range: 370 – 430 BHN

Mechanical Properties:

• Yield Strength: ≥1000 MPa

• Tensile Strength: 1250 MPa (typical)

• Elongation: Min. 10%

• Impact Test (Longitudinal): ≥45J at -40°C

Applications:

• Mining and earthmoving equipment

• Dump truck and tipper bodies

• Hoppers, silos, and chutes

• Cutting edges, liners, and crushers

• Rail cars and conveyor systems

• Steel structure reinforcements

Processing Services Offered:

• CNC Plasma and Laser Cutting

• Forming and Bending

• Drilling and Machining

• Welding Support and Fabrication

Equivalent Grades:

• Abrex 400 (NSSMC – Japan)

• Hardox 400 (SSAB – Sweden)

• Dillidur 400V (Dillinger – Germany)

• XAR 400 (ThyssenKrupp – Germany)

• Raex 400 (RUUKKI – Finland)

Origin:
India – Manufactured by Essar Steel India Ltd.