Description
Welten 780E Plates / Sheets
Welten 780E Plates / Sheets are high-strength, low-alloy steel plates designed for use in demanding structural applications where excellent toughness, weldability, and impact resistance are critical. This material is typically used in industries like heavy engineering, construction, shipbuilding, and mining due to its superior performance under both high and low-temperature conditions.
What IS Welten 780E??
Welten 780E is often used for abrasion-resistant plates in harsh environments, providing good resistance to impact and wear. It is typically supplied in both plates and sheets with various thicknesses and dimensions, depending on the specific requirements of the application.
Types of Welten 780E Plates Processes
The main types of Welten 780E plates and sheets are classified based on factors like heat treatment, thickness, and surface finish. Here’s a breakdown of the different types:
- Rolling Process :Rolling is the primary manufacturing process for Welten 780E plates. The steel is heated to a specific temperature and then passed through rollers to achieve the desired thickness and width.
- Quenching and Tempering: Quenching and tempering is a heat treatment process applied to Welten 780E to increase its tensile strength, yield strength, and toughness.
- Normalizing: Normalizing is another heat treatment process that involves heating the steel to a temperature above its critical range (usually between 850°C and 950°C) and allowing it to air-cool.
- Cold Rolling: Cold rolling involves further reducing the thickness of a material after it has been hot-rolled by passing it through rollers at room temperature. This process enhances the surface finish and provides tight dimensional tolerances.
Mechanical Properties of Welten 780E plates
The mechanical properties of Welten 780E plates and sheets are optimized through specific alloying elements and heat treatment processes. These properties make it suitable for use in heavy-duty applications such as mining, shipbuilding, and construction.
Below is a detailed breakdown of the key mechanical properties of Welten 780E plates/sheets:
| Property | Description |
| Yield Strength | The minimum stress at which the steel will begin to deform plastically. |
| Tensile Strength | Indicates the maximum stress the material can withstand before breaking. |
| Elongation | Measures the material’s ability to stretch without breaking. |
| Impact Toughness | Ability to absorb energy during impact at sub-zero temperatures. |
| Hardness | Provides wear resistance and ability to withstand abrasion. |
| Charpy V-Notch Toughness | Measures toughness at low temperatures, important for brittle fracture resistance. |
Dimensions and Tolerances
Below is a table that outlines the general dimensions, parts, and tolerances for Welten 780E plates and sheets.
| Parameter | Typical Dimensions | Tolerance |
| Thickness | 6 mm – 100 mm | ± 0.5 mm |
| Width | 1000 mm – 4000 mm | ± 10 mm |
| Length | 3000 mm – 12000 mm | ± 10 mm |
| Straightness | ≤ 3 mm/m | For ensuring uniformity in large plates. |
| Flatness | ≤ 5 mm | Maintains plate shape over large areas. |
Material grades Used in Welten 780E steel
The Welten 780E steel plates/sheets are designed to meet high-strength structural requirements, and their material grades are carefully selected to offer excellent mechanical properties, weldability, and toughness, particularly in demanding conditions. Below is a list of material grades typically used in Welten 780E plates/sheets and their corresponding material names:
| Material | Common Grades | Key Properties |
| Quenched and Tempered Steel | S690QL | High-strength steel plate with good weldability and excellent impact toughness at low temperatures. |
| High-Strength Structural Steel | Q690D | Steel with good weldability and high impact toughness, particularly for sub-zero temperatures. |
| High-Strength Carbon Steel | ASTM A709 Grade 690 | Steel for use in bridge construction, offering a tensile strength of up to 690 MPa with good weldability. |
| Quenched and Tempered Steel | S960QL | Very high-strength structural steel plate designed for demanding structural applications, including cranes and bridges. |
| High-Strength Steel | WELTEN 780E | Special steel plate for critical structural applications in bridges, cranes, and offshore platforms. |
| High-Strength Structural Steel | TStE 780 | High-Strength Structural Steel High-strength steel with excellent welding properties, designed for use in welded construction. |
Price Considerations for Welten 780E Steel Plates & Sheets
The price considerations for Welten 780E steel plates and sheets can vary depending on several factors, including material quality, dimensions, certification, and market conditions. Below are some of the key elements that influence the pricing:
- Material Grade and Quality : Welten 780E is a high-strength structural steel, and high-strength steel plates generally cost more than standard mild steels due to the complex manufacturing process (e.g., quenching and tempering).
- Thickness and Dimensions : The price per ton of steel typically increases with thickness. Thicker plates require more raw material and energy to process.
Width and Length: Larger dimensions or custom-cut sizes may incur additional costs for production and handling. - Surface Finish : Steel with a special surface finish (e.g., blasted, pickled, or coated) can be more expensive than standard finishes.
- Market Conditions : Supply and Demand: Prices can fluctuate based on global supply chains and demand. For instance, the price of steel may rise during times of higher demand in industries like construction, manufacturing, or infrastructure development.
Estimated Price Range (per unit):
| Part Type | Material Name | Price Range (USD) |
| Standard Steel Plate | Welten 780E | $1,200 – $1,800 |
| Thicker Steel Plate | Welten 780E | $1,800 – $2,500 |
| Quenched and Tempered Plate | S690QL | $1,800 – $2,500 |
| High-Strength Plate | Q690D | $1,500 – $2,300 |
| Weathering Steel Plate | S355J2W | $1,300 – $1,800 |
| Custom-Cut Plates | Welten 780E | $2,000 – $3,000 |
Welten 780E Steel Plates & Sheets – High Strength, Superior Weldability
Textron Steel and Alloys is a leading manufacturer, stockist, supplier, and exporter of Welten 780E Steel Plates. We provide high-quality Welten 780E plates to customers globally, specializing in steel products not commonly rolled or stocked locally. Based in Mumbai, Maharashtra, and Rajkot, Gujarat, India, we focus on delivering superior-grade Welten 780E plates for industries requiring top-notch performance materials.
Chemical Composition:
| Element | Percentage (%) |
|---|---|
| C | 0.22 |
| Si | 0.55 |
| Mn | 2.00 |
| P | 0.025 |
| S | 0.015 |
| Cr | 1.60 |
| Mo | 0.60 |
Typical Applications of Welten 780E Steel Plates:
- Bridges and Building Structures
- Earthmoving and Transport Equipment Components
- Bucket Parts for Power Shovels or Cranes
- Turbine Scroll Cases
- Unfired Pressure Vessels
- Oil & Gas Industry
- Petrochemical and Fertilizer Industry
- Nuclear Power Plants
- Mining, Construction, and Refineries
Supply Cities:
Mumbai Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Visakhapatnam, Kochi, Kerala, Hubli-Dharwad, Karnataka.
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