Baimaoxing
Explore our top-tier metal alloys, structural components, and high-performance sheeting options tailored for global engineering networks.
Premium structural angle bars in standard sizes featuring outstanding corrosion protection and mechanical load capacity.
Versatile aluminum coils for lightweight aerospace structural parts, electronics housing, and automotive body elements.
Precision round steel rods compliant with ASTM standards, designed for machining shafts, bolts, and structural connections.
Durable extruded pipes with consistent wall thickness, optimizing structural frame ratios and thermal processing performance.
Excellent machinability and superior electrical conductivity properties, perfect for high-reliability valves and connectors.
Specialized copper-alloy plumbing and fluid delivery line components featuring corrosion stability and forming ease.
Color-coated weather-resistant corrugated profiles for architectural wall cladding and industrial roofing installations.
Premium pre-painted galvanized steel coils for residential building projects, domestic appliances, and light frames.
A comprehensive analysis of metallurgy, mechanical properties, processing criteria, and structural utility designed for B2B procurement managers and structural engineering experts.
In high-impact and heavy abrasive industries, structural components are constantly exposed to catastrophic wear mechanisms. Mild structural steels fail rapidly under these stresses, resulting in expensive production downtimes and regular maintenance cycles. To combat this, materials science has evolved to produce quenched and tempered martensitic steels. The NM500 wear-resistant steel plate stands as the pinnacle of this development, combining an extreme surface hardness profile with robust internal impact resistance.
As a leading supplier, Shandong Baimaoxing Iron and Steel Co., Ltd. produces premium NM500 plates designed to resist sliding wear, impact abrasion, and high-load mechanical deterioration. This whitepaper explains the key factors that distinguish our NM500 products in modern industrial structures.
By leveraging advanced quenching and tempering (Q&T) processes, our NM500 plates achieve a fine-grained, fully martensitic matrix. This chemical composition provides exceptional resistance to shear forces and prevents micro-ploughing under high-pressure abrasions.
The "500" designation signifies a nominal Brinell hardness value of 500 HBW. Maintaining this hardness profile through the entire thickness of the plate ensures consistent protection even after prolonged surface wear.
Despite its high hardness, our NM500 steel keeps the carbon equivalent (CEV/CET) low through micro-alloying techniques. This composition improves weldability and reduces the preheating temperatures needed during structural fabrications.
Understand the precise chemical balancing and physical parameters that allow NM500 to outperform traditional structural grades.
| Alloying Element | Carbon (C) Max | Silicon (Si) Max | Manganese (Mn) Max | Phosphorus (P) Max | Sulfur (S) Max | Chromium (Cr) Max | Nickel (Ni) Max | Molybdenum (Mo) Max | Boron (B) Max |
|---|---|---|---|---|---|---|---|---|---|
| NM500 Weight (%) | 0.38 | 0.70 | 1.70 | 0.025 | 0.010 | 1.20 | 0.80 | 0.65 | 0.005 |
The addition of micro-alloying elements like Boron (B), Chromium (Cr), and Molybdenum (Mo) increases hardenability and helps maintain grain structures during high-temperature rolling. This chemical configuration improves wear resistance while preserving fracture toughness, which helps prevent failures in cold weather or under impact loads.
| Steel Grade | Yield Strength (MPa) Typical | Tensile Strength (MPa) Typical | Elongation A50 (%) Min | Brinell Hardness (HBW) Range | Charpy V-Notch Impact Energy (J) Min |
|---|---|---|---|---|---|
| NM400 | 1000 | 1250 | 10 | 370 - 430 | 24 (-20 °C) |
| NM450 | 1100 | 1350 | 8 | 420 - 480 | 24 (-20 °C) |
| NM500 | 1250 | 1550 | 7 | 470 - 540 | 24 (-20 °C) |
How high-performance wear-resistant steels reduce total cost of ownership and extend structural lifespans across global projects.
Heavy excavators, dump truck beds, and dragline buckets undergo continuous sliding wear from hard aggregate materials. Replacing standard structural elements with NM500 plates extends component service life by up to 300%. This increases payload capacity by allowing thinner, lighter structural designs without sacrificing durability.
Chutes, conveyor hoppers, cyclones, and mixer drums are constantly exposed to abrasive raw materials. NM500 provides the surface hardness required to resist gouging from high-velocity aggregate flows, keeping manufacturing lines running smoothly.
Industrial shredders, scrap metal shears, and baling chamber linings endure unpredictable structural impacts and friction. The high yield strength of NM500 helps prevent structural deformation, while its hardness profile reduces wear from metal-on-metal sliding.
Industrial operations are increasingly focused on reducing carbon emissions by optimizing structural weight. Using high-strength wear-resistant steel allows engineers to build lighter equipment that consumes less fuel while processing higher volumes. As a result, demand for specialized grades like NM500 has surged across key development regions in the Americas, Europe, Australia, and Southeast Asia.
Shandong Baimaoxing Iron and Steel Co., Ltd. addresses these challenges by managing a reliable supply chain. We ship custom-cut, certified wear-resistant steel plates directly to heavy machinery manufacturers, structural engineering firms, and mineral extraction sites worldwide.
Shandong Baimaoxing Iron and Steel Co., Ltd. is located in Liaocheng City, Shandong Province, China. We are a large steel supplier specializing in research and development, processing, sales, and technical services. Our business covers steel pipes, steel plates, round bars, steel coils, angle bars, flat bars, I-beams, stainless steel plates, stainless steel coils, stainless steel pipes, copper plates, and copper bars Copper tubes, aluminum plates, aluminum tubes, aluminum coils, aluminum rods, titanium plates, titanium tubes, titanium coils, titanium rods, galvanized steel coils, PPGI, etc. Baimaoxing adopts a scientific management model, and its products are widely used in industries such as aerospace, military equipment, petrochemicals, automotive parts, shipbuilding, precision machining, transportation and rail, engineering machinery, electrical equipment, packaging machinery, etc.




Shandong Baimaoxing delivers verified, certified, and engineered steel solutions directly to your job site.
We provide customers with steel and its deep processed products, as well as customized, specialized, and one-stop services.
Tonghui has a large number of outstanding professionals with many years of work experience.
The company has obtained ISO9001:2015 certification, and some products have obtained SGS environmental testing reports, which comply with the EU ROHS standard.
Real-world deployments of NM500 steel plates showcasing structural integrity across diverse regional environments.
Operating in high-altitude, low-temperature environments, copper ore extraction buckets lined with our NM500 plates handle massive abrasion from highly abrasive quartzite materials. This setup provides excellent impact resistance down to -20°C, helping prevent sudden structural failures.
High-capacity conveyor systems transport raw granite aggregate in heavy volumes. Installing NM500 wear plates in conveyor transfer chutes helps reduce replacement frequency, extending maintenance intervals from 3 months to over 12 months.
Bulk cargo grab buckets unloading coal and iron ore require high wear protection combined with low dead weight to maximize lifting capacity. NM500 structural engineering allows for down-gauged plate designs, helping increase total cargo throughput.
Crucial manufacturing rules and parameters for welding, cutting, and cold-forming NM500 wear plates to maintain mechanical integrity.
NM500 plates can be cut using oxy-fuel, plasma, or laser methods. High-thickness plates should be cut at a controlled pace to avoid thermal cracks. Preheating the material to 100°C–150°C before cutting is recommended for plates thicker than 25mm to help reduce residual stresses.
Use low-hydrogen consumables (such as AWS E7018 or ER70S-6) to minimize the risk of hydrogen-induced cracking in the heat-affected zone (HAZ). Preheating temperatures must be determined based on plate thickness and carbon equivalent. Avoid rapid cooling rates to protect the martensitic structure near the weld.
Cold-forming NM500 plates requires high bending force and careful attention to springback. Use a minimum die opening (W) of 10 to 12 times the plate thickness (t), and a punch radius (R) of at least 5 to 6 times the thickness, bending perpendicular to the rolling direction.
Behind the scenes at Shandong Baimaoxing: showcasing our automated processing equipment and inspection standards.


















Anticipating engineering challenges with advanced research in wear resistance and structural metallurgy.
Future development aims to reduce carbon levels while adding precise amounts of titanium, vanadium, and niobium. This approach creates stable carbides that improve wear resistance and maintain toughness at lower temperatures.
For applications handling wet ores or acidic materials, we are developing hybrid grades that provide high abrasion resistance along with moderate resistance to chemical corrosion, helping extend service life in challenging environments.
Shandong Baimaoxing is working to integrate electric arc furnace (EAF) processing and hydrogen reduction technologies into our manufacturing pipeline to help lower the carbon footprint of our steel products.
Comprehensive listings of our core metal alloys, carbon steels, and processing capabilities.
Our high-quality carbon steel round bars cover grades Q235B, A36, 1045 and 45#, with customizable diameters (5-300mm) and lengths up to 6m. Ideal for fasteners and shafts.
Carbon steel coils with low carbon levels (C≤0.25%), medium (0.25-0.6%), and high (C>0.6%). Extensively utilized in building construction structures.
Seamless pipes built for fluid transport, structural frames, and heavy mechanical parts. Good tensile strength and toughness.
Premium plates covering grades like Q235B, Q355B, A36, 1045. Bending, cutting, and custom welding processing services are fully available.
Shandong Baimaoxing connects with global industrial buyers at steel and mechanical trade shows worldwide.






Get answers to technical queries, processing limits, and ordering processes for NM500 wear-resistant steel plates.
We supply a wide range of industrial metal alloys, structural components, and high-performance sheeting options to meet your project specifications.
Durable, wear-resistant brass plates designed for decorative cladding, hardware, and marine-grade components.
Corrosion-resistant titanium tubing for chemical processing, offshore engineering, and heat exchangers.
Premium hot-rolled and cold-rolled stainless steel coils for automotive, architectural, and appliance manufacturing.
High-purity copper bars featuring excellent electrical and thermal conductivity for electrical systems.
High-strength forged titanium bars designed to perform in high-temperature and chemically corrosive environments.
Hot-rolled carbon steel coils providing reliable mechanical properties for structural building and fabrication.
Corrosion-resistant stainless plates in diverse surface finishes (2B, BA, No.4) for industrial and decorative needs.
Durable, high-precision aluminum sheets offering reliable weldability and structural strength.