ASTM A276 304 round bars epitomize the quintessential stainless steel material, celebrated for its exceptional corrosion resistance, versatility, and aesthetic appeal. Adhering to the specifications set by the American Society for Testing and Materials (ASTM), specifically the A276 standard, these round bars are crafted from grade 304 stainless steel, which is widely regarded as one of the most commonly used stainless steel grades worldwide. Renowned for its balanced composition of chromium and nickel, grade 304 offers impressive corrosion resistance, making it a go-to choice for industries where exposure to moisture, chemicals, and various corrosive agents is prevalent.
The versatility of ASTM A276 304 round bars shines through their applications across diverse industries. From the food and beverage sector to pharmaceuticals, architecture, and more, these round bars find their way into products ranging from kitchen equipment to structural components. Grade 304's non-reactive nature with most acids and chemicals makes it particularly well-suited for use in corrosive environments. Moreover, its hygienic properties have led to its prevalence in industries requiring strict cleanliness standards.
Beyond corrosion resistance, ASTM A276 304 round bars are valued for their ease of fabrication. Their excellent formability, weldability, and machinability facilitate the creation of intricate designs and customized components. Additionally, they exhibit exceptional high-temperature strength, making them ideal for applications involving elevated temperatures. Whether it's for their robust mechanical properties, corrosion resistance, or aesthetic appeal, ASTM A276 304 round bars have etched their place as a staple material in various industries, embodying the essence of stainless steel's enduring legacy.
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Specification:
Sizes (Hot Rolled): 3/16" - 8"
Sizes (Cold Drawn): 0.125" - 3"
Sizes (Centerless Ground): 0.156" - 3.5"
Sizes (Peeled and Polished): 0.25" - 6"
Wall Thickness: Not applicable
Length: Random Length (10-14 feet), Fixed Length (up to 20 feet)
Chemical Composition of ASTM A276 304 Round Bar
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) |
| Composition Range | 0.08 max | 0.75 max | 2.00 max | 0.045 max | 0.030 max | 18.00 - 20.00 | 8.00 - 10.50 |
Mechanical Properties of ASTM A276 304 Round Bar
| Property | Tensile Strength | Yield Strength (0.2% offset) | Elongation | Reduction of Area | Hardness (Brinell) |
| Value | 75,000 psi (515 MPa) min | 30,000 psi (205 MPa) min | 40% min | 50% min | 201 max |
Advantages of ASTM A276 304 Round Bar:
- Good general corrosion resistance and high strength
- Good sulfide stress corrosion resistance
- Resistance to chloride pitting and crevice corrosion
- Higher resistance to chloride stress corrosion cracking
- Easy to weld and conform
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Applications Industry
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
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