### **904L Stainless Steel Flat Bar Overview**

The **904L stainless steel flat bar** is manufactured through a sophisticated metal forming process, similar to other metal bars. This process involves rolling or extruding metal into continuous strips, which are then cut to specific lengths. Known for its **exceptional corrosion resistance, durability, and versatility**, the 904L flat bar is widely used in demanding industrial applications.

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### **Key Features**

- **Superior Durability**: Designed for long-term performance in harsh environments.

- **Excellent Corrosion Resistance**: Performs well in acidic and chloride-rich conditions.

- **Abrasion-Free Surface**: Ensures smooth and reliable operation.

- **Heat and Pressure Resistance**: Suitable for high-temperature and high-pressure applications.

- **Robust Construction**: Provides strength and reliability for industrial use.

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### **Chemical Composition (Weight %)**

| Element       | Cr       | Ni       | Mo       | Cu       | C        | Mn       | Si       | P        | S        | Fe       |

|---------------|----------|----------|----------|----------|----------|----------|----------|----------|----------|----------|

| **Percentage**| 19.0-23.0| 23.0-28.0| 4.0-5.0  | 1.0-2.0  | ≤0.02    | ≤2.00    | ≤1.00    | ≤0.045   | ≤0.035   | Balance  |

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### **Mechanical Properties**

| Property               | Value                        |

|------------------------|------------------------------|

| **Tensile Strength**    | 490 - 620 MPa               |

| **Yield Strength**      | 220 MPa (min)               |

| **Elongation**          | 35% (min)                   |

| **Hardness (Rockwell)** | ≤95 HRB                     |

| **Density**             | 7.95 g/cm³                  |

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### **Specifications and Dimensions**

#### **Standard Dimensions**

| Thickness (mm) | Width (mm)  | Length (mm)  | Tolerance (mm) | Surface Finish       |

|----------------|-------------|--------------|----------------|----------------------|

| 5 - 10         | 20 - 100    | 2000 - 6000  | ±0.1           | Bright / Polished    |

| 10 - 20        | 50 - 200    | 2000 - 6000  | ±0.2           | Bright / Polished    |

| 20 - 30        | 100 - 300   | 2000 - 6000  | ±0.3           | Bright / Polished    |

| 30 - 50        | 200 - 500   | 2000 - 6000  | ±0.5           | Bright / Polished    |

#### **Available Standards**

| Standard       | Description                          |

|----------------|--------------------------------------|

| **ASTM A240**  | Standard specification for chromium and chromium-nickel stainless steel plate, sheet, and strip. |

| **EN 1.4539**  | European standard equivalent to 904L. |

| **UNS N08904** | Unified Numbering System designation for 904L stainless steel. |

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### **Applications**

The **904L stainless steel flat bar** is widely used in industries requiring high corrosion resistance and durability. Common applications include:

- **Construction Projects**

- **Refinery Equipment**

- **General Engineering**

- **Mechanical Industries**

- **Automotive Manufacturing**

- **High-Temperature Environments**

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### **Manufacturing Excellence**

- **ISO 9001:2008 Certified Production**: Ensures consistent quality and reliability.

- **Strict Quality Control**: Each bar undergoes rigorous testing to meet international standards.

- **Comprehensive Testing Procedures**: Ensures compliance with specifications.

- **Global Distribution Network**: Timely delivery to countries such as Saudi Arabia, UAE, Vietnam, and South Africa.

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### **Key Benefits**

- **Versatility**: Suitable for a wide range of industrial applications.

- **Extended Service Life**: Designed for durability and long-term performance.

- **Competitive Pricing**: High-quality products at affordable rates.

- **Reliable Delivery**: Ensures timely supply to meet project deadlines.

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### **Conclusion**

The **904L stainless steel flat bar** is a premium material designed for demanding industrial applications. Its unique combination of corrosion resistance, durability, and versatility makes it a preferred choice for industries such as construction, refining, and automotive manufacturing. Whether for structural components, machinery, or high-temperature environments, 904L stainless steel delivers unmatched performance and reliability.

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### **Additional Information**

#### **Surface Finish Options**

- **Bright**: Smooth and reflective finish.

- **Polished**: High-gloss finish for aesthetic applications.

- **Black**: Oxidized finish for added protection.

#### **Heat Treatment Options**

- **Solution Annealing**: Heated to 1100-1170°C followed by rapid cooling to enhance corrosion resistance.

Let us help you find the perfect **904L stainless steel flat bar** solution for your project!