Diamond Plate Steel

TongHui is one of the leading diamond steel plates manufacturers and suppliers in China, located in Liaocheng, Shandong Province.
Diamond steel plate adopts high hardness composite coating, which is impact resistant, corrosion-resistant, and has a lifespan of more than 5 times that of ordinary steel plate. Widely applicable to harsh working conditions such as mining machinery, infrastructure engineering, and heavy equipment protection. We offer a variety of customized specifications, please feel free to inquire.

Diamond Steel Plate Grade

Learn more about diamond steel plate grade

410 Stainless Steel Plate

321 Stainless Steel Plate

316 Stainless Steel Plate

304 Stainless Steel Plate

A36 Steel Plate

Diamond Steel Plate for Sale

We provide you with various models and specifications of diamond steel plates

3/16″ 316 Stainless Steel Plate

3/8″ A36 Steel Plate

1/4″ A36 Steel Plate

3/16″ A36 Steel Plate

1/8″ A36 Steel Plate

What is Diamond Steel Plate

Diamond Steel Plate is a high-performance wear-resistant steel material. Its core technology involves applying a composite wear-resistant coating onto the surface of a high-quality steel base plate through advanced processes like thermal spraying or hardfacing. This coating is primarily composed of tungsten carbide (WC) particles, bound together by a metallic binder phase (such as cobalt or nickel).

The coating possesses extreme hardness (typically above HRC 60), akin to ‘diamond’. The tungsten carbide particles provide exceptional resistance to abrasive wear, while the metallic binder ensures strong bonding to the substrate and good impact resistance. It is not made entirely of diamond; the name metaphorically signifies its superior wear-resistant properties. It is specifically designed for harsh operating conditions involving high-intensity abrasion, scraping, and moderate impact.

Diamond Steel Plate Price

Current Market Price Range of Diamond Plate Steel:

Ordinary carbon steel: $700–$1,000 per ton (approx. $5–$8 per square foot)
Galvanized carbon steel: $800–$1,200 per ton (approx. $6–$10 per square foot)
304 stainless steel: $1,400–$2,400 per ton (approx. $12–$20 per square foot)
316 stainless steel: $1,800–$3,000 per ton (approx. $15–$25 per square foot)

Get your exclusive customized diamond steel plate solution！

Diamond Steel Plate Specifications

We provide you with diamond steel plates of various specifications and parameters

Grade	Thickness	Width	Length
A36	0"-16"	4"-120"	8"-480"
304	0"-3"	12"-96"	24"-240"
304L	0"-3"	12"-96"	24"-240"
316	0"-3"	12"-96"	24"-240"
316L	0"-3"	12"-96"	24"-240"

Frequently Asked Questions

How much does a 4x8 sheet of diamond plate steel weight?

A 4×8 sheet of diamond plate steel (32 sq ft) weighs approximately:

1/8″ (3.2mm) thick: 202 lbs (91.7kg)
3/16″ (4.8mm) thick: 282 lbs (127.9kg)
1/4″ (6.4mm) thick: 368 lbs (166.9kg)
3/8″ (9.5mm) thick: 524 lbs (237.7kg)
1/2″ (12.7mm) thick: 687 lbs (311.6kg)

Weight calculation formula:Weight = Area × Weight per sq ft(Standard carbon steel diamond plate weighs 6.3-21.5 lbs per sq ft depending on thickness)

Note: Diamond pattern adds ~1.02 lbs per sq ft compared to flat steel. Stainless steel is ~1.5-2 lbs per sq ft heavier, while aluminum diamond plate is ~2/3 lighter than carbon steel.

Is a diamond plate stronger than steel?

Diamond plate steel is not inherently stronger than plain steel of the same base material and thickness.

Essentially, diamond plate steel is plain steel (carbon steel, stainless steel, etc.) processed with a raised diamond pattern on the surface. Its mechanical strength—including yield strength, tensile strength, and load-bearing capacity—depends entirely on the grade of the base steel (e.g., A36, Q235, 304 stainless steel) and its thickness, which is consistent with plain steel of the same specifications.

The diamond pattern is designed to enhance slip resistance and surface wear resistance, not to improve structural strength. In some cases, the uneven surface may slightly reduce the effective flat bearing area, but this impact is negligible for most industrial applications.
Per ASTM A786 standards, the strength of diamond plate steel is strictly tied to its base material properties, not the surface pattern.