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Golden Steel Material is a premier ISO-certified stockist based in Al Jubail. We supply high-performance pipes, fittings, valves, and flanges to the Oil & Gas and Industrial sectors across Saudi Arabia and the GCC.
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ROCKHARD Wear Resistant Steel is a premium abrasion-resistant brand manufactured by AM/NS India (ArcelorMittal Nippon Steel India). Specifically developed to handle the most demanding wear conditions, ROCKHARD 400, 450, and 500 plates offer a strategic solution for industries looking to balance high surface hardness with structural reliability. These plates are produced using state-of-the-art direct quenching technology, which results in a highly uniform metallurgical structure. This ensures that the wear-resistant properties are consistent throughout the entire thickness of the plate, providing dependable protection even as the material is gradually consumed during operation.
The technical superiority of ROCKHARD 400/450/500 lies in its exceptional impact toughness, which prevents the steel from cracking or failing under the sudden shock loads common in mining and heavy construction. Designed for high performance in Indian industrial environments, ROCKHARD plates feature a optimized chemical composition that allows for effortless welding and cold bending. By switching to ROCKHARD, manufacturers can design lighter, more efficient equipment such as excavator buckets, tipper bodies, and mineral processing chutes, ultimately leading to significant savings in fuel, maintenance costs, and operational downtime.
| Property | Specification |
|---|---|
| Item | Abrasion Resistant Plate |
| Material | ROCKHARD 400, SUMIHARD, BRINAR, DUROSTAT, DILLIDUR, JFE EVERHARD. |
| Thickness | 3 - 200mm |
| Width | 500 - 3000mm |
| Length | 1000 - 12000mm |
| Heat Treatment | N, Q+T |
| Surface Paint | EP, PE, HDP, SMP, PVDF |
| Element (Max %) | Rockhard 400 | Rockhard 450 | Rockhard 500 |
|---|---|---|---|
| Carbon (C) | 0.20 | 0.22 | 0.30 |
| Silicon (Si) | 0.50 | 0.50 | 0.50 |
| Manganese (Mn) | 1.60 | 1.60 | 1.60 |
| Phosphorus (P) | 0.025 | 0.025 | 0.025 |
| Sulfur (S) | 0.010 | 0.010 | 0.010 |
| Chromium (Cr) | 1.00 | 1.20 | 1.50 |
| Nickel (Ni) | 0.50 | 0.70 | 1.00 |
| Molybdenum (Mo) | 0.50 | 0.50 | 0.60 |
| Boron (B) | 0.005 | 0.005 | 0.005 |
| Property | Rockhard 400 | Rockhard 450 | Rockhard 500 |
|---|---|---|---|
| Hardness (HBW) | 370 – 430 | 420 – 480 | 470 – 540 |
| Yield Strength (MPa) | ~ 1000 | ~ 1100 | ~ 1200 |
| Tensile Strength (MPa) | ~ 1250 | ~ 1400 | ~ 1550 |
| Elongation (A5 %) | 12 | 11 | 10 |
| Impact Energy (at -20°C) | 35 J | 30 J | 25 J |
| Thickness Range | 5.0 – 80 mm | 5.0 – 80 mm | 6.0 – 50 mm |
| Industrial Locations & Keywords |
|---|
| Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair) |
| Jeddah Industrial Cities (1st, 2nd & 3rd) |
| Dammam Industrial Areas (1st, 2nd & 3rd) |
| Jubail Industrial City |
| Yanbu Industrial City |
| Rabigh Industrial City |
| Al Khobar Industrial Area |
| Al Ahsa Industrial City |
| Madinah Industrial City |
| Makkah Industrial City |
| Taif Industrial City |
| Tabuk Industrial City |
| Jazan Industrial City |
| Industrial supplier in Saudi Arabia |
| Pipe fittings supplier in Jubail / Dammam / Riyadh |
| Flange and valve supplier Saudi Arabia |
| Fast delivery industrial materials KSA |