| Customization: | Available |
|---|---|
| Type: | Steel Plate |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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| GB | DIN | ASTM | JIS |
| 24186 | 1.6351 | A514 | SCM440 |
| NM500 | C | Si | Mn | Cr | Mo | S | P |
| 0.25 - 0.35 | 0.10 - 0.50 | 1.00 - 1.60 | 0.50 - 1.50 | 0.20 - 0.50 | ≤ 0.010 | ≤ 0.025 |
| Tempering: |
It's a crucial step in the heat treatment of NM500, ensuring a balance between hardness and toughness. By tempering at controlled temperatures (150°C to 250°C), NM500 achieves optimal mechanical properties, making it suitable for heavy-duty applications in mining, construction, and material handling.Typically tempered at temperatures between 150°C to 250°C (302°F to 482°F). The steel is held at the tempering temperature for 1 to 2 hours to ensure uniform heat distribution and stress relief. After tempering, NM500 is cooled slowly in air to room temperature to avoid introducing new stresses. |
| Annealing: | Annealing is not a standard process for NM500, it may be performed in specific scenarios, such as improving machinability, relieving internal stresses, or preparing the material for further processing. |
| Hot Working: | Shaping the steel at high temperatures (900°C to 1200°C) through processes like hot rolling, forging, extrusion, or drawing. This method improves the material's mechanical properties, refines its grain structure, and makes it easier to deform. While hot working has some challenges, such as surface oxidation and energy consumption, it is a crucial process for producing high-performance components in demanding industries. |
| Welding: | Conventional methods are used for welding. |
| Forging: | Forging NM500 is technically challenging due to its pre-hardened state (470-530 HBW), but it can be done under controlled conditionsForging NM500 is technically challenging due to its pre-hardened state (470-530 HBW), but it can be done under controlled conditions. If forging is required, it should be performed on pre-hardened NM500 blanks (before final heat treatment). Preheat NM500 to 900-1100°C (1652-2012°F) to soften the material and improve malleability. Maintain between 850-1000°C (1562-1832°F) during deformation. Slow cooling (e.g., in a furnace) to avoid thermal stresses. |
| Forming: | It can be readily formed by conventional methods in the annealed condition. |
| Machinability: | NM500 is a challenging material to machine due to its high hardness, abrasiveness, and toughness. However, with the right tools (carbide or ceramic), cutting parameters, and cooling techniques, it can be machined effectively. Key considerations include reducing tool wear, managing heat generation, and ensuring a rigid setup. For complex or high-precision parts, grinding or other finishing processes may be necessary. |
| Heat Treatment: | The heat treatment of NM500 involves quenching (900-950°C followed by rapid cooling) and tempering (150-250°C) to achieve a balance of high hardness, toughness, and wear resistance. Optional processes like annealing or stress relieving may be used for specific applications. Proper control of temperature, time, and cooling rates is essential to avoid defects such as cracking or distortion. Heat-treated NM500 is widely used in industries requiring durable, wear-resistant components. |
| Applications: | Versatile and suitable for a wide range of heavy-duty applications.Typical uses: Mining equipment (e.g., buckets, liners, crushers), Construction machinery (e.g., bulldozer blades, excavator parts), Material handling equipment (e.g., conveyor belts, hoppers), Agricultural machinery (e.g., plowshares, harvester parts). |
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Q1: What do you do for the control of the quality?
A1: Before loading into the container, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per customer's request.
Q2:: What are your hot-selling products?
A2: D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.
Q3: Can we visit your company and factory?
A3: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Q4: Are you a manufacturer or merely a trader?
A4: We are a group of companies and owned manufacturer bases and trading companies. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All materials are of high quality and competitive price.
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