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316 409 410 Stainless Rectangular Tubing
Material
316 409 410 Stainless Rectangular Tubing Stainless steel is a versatile and commonly used material in various industries due to its excellent corrosion resistance, high strength, and aesthetic appeal. 316, 409, and 410 are three popular grades of stainless steel used in the production of rectangular tubing.
Specifications
The specifications for 316, 409, and 410 stainless rectangular tubing can vary depending on the manufacturer and specific requirements of the project. However, here are some general specifications for these grades:
| Specifation | 316 Stainless | 409 Stainless | 410 Stainless |
| Chemical Composition | See Table below | See Table below | See Table below |
| Mechanical Properties | See Table below | See Table below | See Table below |
| Steel Grade | AISI 316 | AISI 409 | AISI 410 |
| Outside Dimensions | Customizable | Customizable | Customizable |
| Wall Thickness | Customizable | Customizable | Customizable |
| Length | Customizable | Customizable | Customizable |
Key Features
Stainless steel rectangular tubing of grades 316, 409, and 410 offer various features that make them suitable for different applications. Some key features of these grades include:
- 316 Stainless: Excellent corrosion resistance, high strength, ideal for marine and coastal applications, good weldability and formability.
- 409 Stainless: Good corrosion resistance, heat resistance, low-cost alternative to higher grades, primarily used in automotive exhaust systems.
410 Stainless: High strength, hardness, wear resistance, ideal for applications requiring durability, such as cutlery, tools, and industrial equipment.
Chemical Composition
The chemical compositions of 316 409 410 Stainless Rectangular Tubing are as follows:
Chemical Composition of 316 Stainless Steel
| Element | Percentage |
| Carbon (C) | 0.08 max |
| Silicon (Si) | 1.00 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.03 max |
| Chromium (Cr) | 16.00 - 18.00 |
| Nickel (Ni) | 10.00 - 14.00 |
| Molybdenum (Mo) | 2.00 - 3.00 |
Chemical Composition of 409 Stainless Steel
| Element | Percentage |
| Carbon (C) | 0.08 max |
| Silicon (Si) | 1.00 max |
| Manganese (Mn) | 1.00 max |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.030 max |
| Chromium (Cr) | 10.50 - 11.75 |
| Titanium (Ti) | 6 x C min, 0.75 max |
| Niobium (Nb) | - |
Chemical Composition of 410 Stainless Steel
| Element | Percentage |
| Carbon (C) | 0.08 - 0.15 |
| Silicon (Si) | 1.00 max |
| Manganese (Mn) | 1.00 max |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.030 max |
| Chromium (Cr) | 11.50 - 13.50 |
| Nickel (Ni) | 0.75 max |
| Molybdenum (Mo) | - |
Mechanical Properties
The mechanical properties of 316, 409, and 410 stainless steel grades are provided in the following table:
Mechanical Properties of 316 Stainless Steel
| Property | Value |
| Tensile Strength | 515 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness (Brinell) | 217 max |
Mechanical Properties of 409 Stainless Steel
| Property | Value |
| Tensile Strength | 380 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 25% min |
| Hardness (Rockwell B) | 88 max |
Mechanical Properties of 410 Stainless Steel
| Property | Value |
| Tensile Strength | 450 MPa min |
| Yield Strength | 290 MPa min |
| Elongation | 20% min |
| Hardness (Rockwell C) | 40 - 45 |
Application
316, 409, and 410 stainless rectangular tubing find a wide range of applications in different industries. Here are some common applications for each grade:
- 316 Stainless: Marine and coastal structures, chemical processing, medical equipment, food processing, and architectural features.
- 409 Stainless: Automotive exhaust systems, mufflers, catalytic converters, and heat exchangers.
410 Stainless: Cutlery, tooling, fasteners, valves, shafts, and industrial equipment components requiring corrosion resistance and durability.
Possible Alternative Grades
While 316, 409, and 410 stainless steels offer specific characteristics suitable for various applications, there are alternative grades that can be considered based on specific requirements. Some possible alternative grades include:
- 316L Stainless: Lower carbon version of 316 for better welding and corrosion resistance.
- 304 Stainless: General-purpose grade with excellent corrosion resistance and versatility.
- 430 Stainless: Lower-cost alternative with good corrosion resistance but lower overall strength.
It is important to consult with technical professionals or material experts to select the most appropriate grade for your specific application, considering factors such as environment, temperature, and mechanical requirements.
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