Hardox 400 Plate Manufacturer & Supplier

Hardox 400 plate is a strong, wear-resistant steel plate with a hardness of about 400 HBW (370–430 HBW). The grade belongs to the 400 BHN class of wear-resistant steels, produced with a lean chemical composition featuring maximum values of C 0.32%, Si 0.70%, Mn 1.60%, Cr 1.40%, Ni 1.50%, Mo 0.60%, and B 0.004%. This composition has a typical yield strength of 1100 MPa alongside strong toughness at sub-zero temperatures.

Sachiya Steel International is a trusted Hardox 400 plate supplier and stockist based in Mumbai, India. With over 20 years of experience as a manufacturer and exporter, we maintain a ready-to-ship inventory of 1,500 to 2,000 metric tons of abrasion-resistant plates. We are ISO 9001, 14001, and 45001 certified, and every shipment includes mill test certificates for full traceability.

Hardox 400 wear plate stands apart from generic AR steels through its combination of high hardness, reliable weldability, and tight bending capability. The plate is available in thicknesses from 4.0 to 130 mm, widths up to 3350 mm, and lengths up to 14630 mm. Custom cut-to-size options are available on request. Industries served include mining, quarrying, construction, recycling, and transportation.

This page covers the following sections.

Specifications
Pricing
Chemical Composition
Mechanical Properties
Equivalent Designations
Industrial Applications
Grade Comparison
Shipping & Packaging
Frequently Asked Questions

Specifications of Hardox 400 Plates

The specifications of Hardox 400 Plate, including thickness, length and width, are mentioned in the table given below.

Property	Specification
Material Type	Abrasion-Resistant (AR) Steel
Process	Quenched and Tempered (Q&T)
Thickness Range	4 mm to 130 mm
Width	Up to 3350 mm
Length	Up to 14630 mm

Hardox 400 Plate Sizes and Dimensions

Hardox 400 plate is available in thicknesses from 4.0 to 130 mm, widths up to 3350 mm, and lengths up to 14630 mm. Hardox 400 sheet covers thicknesses from 2.0 to 8.0 mm with widths up to 1650 mm.

Parameter	Plate	Sheet
Thickness	4.0 - 130 mm	2.0 - 8.0 mm
Width	Up to 3350 mm	Up to 1650 mm
Length	Up to 14630 mm	Up to 16000 mm

Hardox 400 Plate Tolerances

The tolerance parameter of Hardox 400 plates is listed in the table given below.

Parameter	Specification
Thickness Tolerance Standard	EN 10029 Class A
Thickness Deviation	Within Class A limits
Thickness vs Test Specimen	The supplied thickness does not deviate more than 15 mm from the test specimen used for hardness verification
Flatness Standard	EN 10029 (Enhanced)
Flatness Class	Class D (Proprietary, tighter than standard)
Flatness Performance	Exceeds EN 10029 requirements
Shape Control	Improved flatness for better fabrication accuracy
Surface Quality Standard	EN 10163-2 Class A Subclass 1
Surface Condition	Suitable for direct fabrication, coating, or painting
Surface Preparation	Typically not required before processing

Hardox 400 Plate Price

Pricing ranges from Rs. 92-225/kg in India and approximately $2.00 to $3.00 in the US. Hardox 400 plate price depends on thickness, dimensions, order quantity, and delivery location. Genuine branded plate costs more than generic AR400 equivalents. Contact us for a current quotation.

Hardox 400 Plate Chemical Composition

The chemical composition of Hardox 400 Plate, along with its proportion in percentage, is listed below.

Carbon C

Max 0.32%

Silicon Si

Max 0.70%

Manganese Mn

Max 1.60%

Phosphorus P

Max 0.025%

Sulphur S

Max 0.010%

Chromium Cr

Max 2.50%

Nickel Ni

Max 1.50%

Molybdenum Mo

Max 0.60%

Boron B

Max 0.004%

Hardox 400 Plate Mechanical Properties

The mechanical properties, including tensile strength and yield strength, are listed in the table below.

400

HBW (nominal)

Hardness

1250-1350

MPa (typical)

Tensile Strength

1100

MPa (typical)

Yield Strength

Property	Value
Hardness (nominal)	400 HBW (range 370 - 430 HBW)
Tensile Strength	~1250 - 1350 MPa (typical)
Typical Yield Strength	1100 MPa

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Hardox 400 Equivalent Materials

International designations equivalent to Hardox 400 Plate are mentioned in the table given below.

Standard / Region	Equivalent Grade
Proprietary (Sweden)	Hardox 400
DIN (Germany)	XAR 400
JFE Steel (Japan)	JFE EH400
Nippon Steel (Japan)	SUMIHARD 400
Dillinger (Germany)	Dillidur 400
SSAB (Global)	Raex 400

Hardox 400 Plate Industrial Applications

Hardox 400 plate is used across industries where equipment and structures face abrasive wear from rocks, soil, mixed waste, and bulk materials.

Mining & Quarrying Equipment

Hardox 400 wear plate lines excavator buckets, crusher feed chutes, screen decks, and conveyor transfer points in mining operations.

Construction & Earthmoving

Excavator bucket lips, bulldozer blades, and loader arms are common construction applications.

Recycling & Waste Processing

Shredder liners, sorting screens, and compactor bodies benefit from the plate's combination of hardness and impact toughness.

Transportation & Road Building

Hardox 400 plate is used in dump truck bodies, tipper liners, and asphalt spreader components.

Hardox 400 vs Hardox 450 vs Hardox 500

Buyers often evaluate adjacent grades to find the right balance between hardness, wear life, and fabrication ease. The comparison below covers the three most common grades. Hardox 400 remains the most versatile grade for buyers who need both wear resistance and straightforward workshop processing.

Property	Hardox 400	Hardox 450	Hardox 500
Hardness (HBW)	370 - 430	425 - 475	450 - 540
Best Application	All-around wear with maximum workability	Higher abrasion, moderate formability	Extreme wear, reduced bendability
Weldability	No preheat up to 20 mm	Preheat may be required	Preheat typically required

Shipping & Packaging

Heavy-duty wooden boxes Packing

Export Packaging Standard

We strictly follow seaworthy export handling standards to protect Inconel 600 Plates from transit damage, moisture ingress, and surface contamination during long-distance dispatch.

Heavy-duty wooden boxes with moisture barrier lining
HDPE stretch film wrapping on all bundles
Plastic end caps on threaded and plain-end plate
Silica gel desiccants to minimize moisture exposure
ISPM-15 fumigated wooden packaging for export

Plate Bundle Yard Staging

Container End-Cap Protection

Wrapped Export-Ready Bundles

We Export Worldwide

Sachiya Steel International supplies Hardox products to major industrial markets across North America, Europe, the Middle East, Asia and Africa with export-ready documentation and logistics support.

USA
Canada

Frequently Asked Questions

What thickness range is Hardox 400 Plate available in? +

Hardox 400 plate is available in thicknesses from 4.0 to 130 mm. Hardox 400 sheet covers 2.0 to 8.0 mm. Custom cut-to-size plates are available on request.

What is the hardness of Hardox 400 Plate in HRC? +

Hardox 400 plate has a Brinell hardness of 370-430 HBW, which converts to approximately 40-46 HRC.

What is the price of Hardox 400 Plate? +

Pricing ranges from Rs. 92-225/kg in India and approximately $2.00 to $3.00 in the US. Hardox 400 plate price depends on thickness, dimensions, order quantity, and delivery location. Contact us with your specifications for a current quote.

What is the difference between Hardox 400 Plate and Hardox 500 Plate? +

Hardox 400 is easier to bend and weld and works well for normal wear. Hardox 500 is harder and lasts longer in very heavy wear, but is harder to bend and weld.

Can you weld Hardox 400 Plate with 7018 electrodes? +

Yes. Hardox 400 plate can be welded with 7018 electrodes and other standard consumables. No preheating is needed for plate thicknesses up to 20 mm.

What is the equivalent of Hardox 400 Plate? +

Hardox 400 equivalents include AR400 (North America), XAR 400 (Germany), Quard 400 (Denmark), Abrex 400 (Japan), NM400 (China), and Bisalloy 400 (Australia). All are 400 BHN class abrasion-resistant plates.

What is the density of Hardox 400 Plate? +

The density of Hardox 400 plate is 7.85 g/cm³ (0.284 lb/in³), consistent with carbon and low-alloy steels.

What sizes of Hardox 400 Plate are in stock? +

We stock Hardox 400 plate in multiple thicknesses from our Mumbai warehouse. Get in touch with us to confirm available stock, delivery timelines, and to arrange custom cut-to-size plates.

What is the formula for calculating the weight of a Hardox 400 plate? +

The density of Hardox 400 plate is 7.85 g/cm3 (0.284 lb/in3). To calculate plate weight: multiply thickness (mm) by width (mm) by length (mm), then multiply by 7.85 and divide by 1,000,000. The result is weight in kilograms.