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Item #:
102826911
304 Stainless Steel Round Bar, Unpolished (Mill) Finish, Annealed, AMS 5639/ASTM A276/AMS QQ-S 763/ASTM A276, 0.1875" Diameter, 48" Length,
Item #:
102826911
TTD 367
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Imported from USA store
Order now and get it around Saturday, September 12
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304 stainless steel provides high strength for a variety of applications.
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What Stands Out
Durable Material
Constructed from 304 stainless steel, this round bar offers excellent corrosion resistance and durability, suitable for a variety of applications in harsh environments.
Precision Dimensions
With a precise diameter of 0.1875 inches and a length of 48 inches, this round bar meets strict industry standards, ensuring reliability for engineering and manufacturing tasks.
Versatile Use
Perfect for a range of projects, from structural supports to decorative applications, this annealed round bar provides unmatched versatility for professionals and hobbyists alike.
Product Details
| Item Diameter | 0.19 inches (0.5 cm) |
| Item Thickness | 0.19 inches (0.5 cm) |
| Color | Silver |
| Item Shape | Round |
| Item Form | Rod |
| Material | Stainless Steel 304 |
| Grade Rating | 304 |
| Specification Met | Ams 5639, Ams Qq-s 763, Astm A276 |
| Brand Name | Online Metals |
| Number of Items | 1 |
| Unit Count | 4 Feet |
| Manufacturer | OnlineMetals |
| Model Number | 635 |
| Part Number | 71 |
| Brand | Online Metals |
| Shape | Round |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Fabrication Professionals
Ideal for those constructing frameworks or supports requiring durable materials resistant to corrosion and wear.
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DIY Enthusiasts
Perfect for hobbyists or DIY projects that require a robust and versatile material for custom constructions.
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Manufacturers
Beneficial for small part production, especially where precision and material strength are crucial for applications.
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High-Stress Applications
Not suitable for environments where extreme tensile strength and toughness are mandatory in demanding applications.
Product Description
304 Stainless Steel Round Bar, Unpolished (Mill) Finish, Annealed, AMS 5639/ASTM A276/AMS QQ-S 763/ASTM A276, 0.1875" Diameter, 48" Length, OnlineMetals
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the key properties of 304 stainless steel round bars?
Answer: 304 stainless steel round bars are known for their excellent corrosion resistance and good weldability. They are non-magnetic in the annealed condition and can withstand a wide range of temperatures, making them ideal for various applications in kitchenware, chemical containers, and architectural components. Their durability and strength are essential in projects where reliability and longevity are critical. -
Question:
What applications are suitable for 304 stainless steel round bars?
Answer: 304 stainless steel round bars are versatile and can be used in various industries. Common applications include manufacturing fasteners, brackets, and fittings. They are also used in fabrication processes, kitchens, and food processing equipment due to their hygienic properties. Any project requiring structural integrity and resistance to corrosion can benefit from using 304 stainless steel. -
Question:
How does the annealing process affect 304 stainless steel?
Answer: The annealing process softens the 304 stainless steel round bar, enhancing its ductility and ease of machining. This heat treatment relieves internal stresses and refines the grain structure, resulting in improved formability and toughness. This makes the finished product easier to work with in manufacturing applications, allowing for complex shapes and parts without compromising strength. -
Question:
What does 'unpolished (mill finish)' mean for 304 stainless steel round bars?
Answer: An unpolished (mill finish) indicates that the surface of the 304 stainless steel round bar has not undergone additional finishing processes such as polishing or coating. This finish retains the material's natural surface texture, which can be ideal for applications where aesthetics are less critical. Additionally, it provides a good base for further processing or surface treatments if needed. -
Question:
Is 304 stainless steel resistant to rust?
Answer: Yes, 304 stainless steel has good corrosion resistance, particularly against oxidation and corrosion caused by various chemicals. However, while it can resist rust in many environments, it is important to consider that prolonged exposure to harsh conditions may lead to corrosion over time. Using 304 stainless steel in regular maintenance and environmental control practices can effectively minimize such risks. -
Question:
What standards and certifications apply to 304 stainless steel round bars?
Answer: The 304 stainless steel round bars meet the specifications of AMS 5639, ASTM A276, and AMS QQ-S 763. These standards ensure that the materials are appropriate for specific engineering and structural applications. Compliance with these certifications guarantees that the round bars are manufactured to meet quality and performance benchmarks required in many industries, including aerospace and construction. -
Question:
Can 304 stainless steel be used in marine environments?
Answer: While 304 stainless steel is fairly resistant to corrosion, it is not ideal for marine environments where high chloride exposure occurs. For marine applications, 316 stainless steel, which contains molybdenum for better corrosion resistance, is typically recommended. However, for low-salt environments or indoor use, 304 stainless steel can still perform adequately, especially with proper maintenance. -
Question:
What machining processes can be used on 304 stainless steel round bars?
Answer: 304 stainless steel round bars can be machined using techniques such as turning, milling, and drilling. It is important to use appropriate cutting tools and speeds, as the material can work-harden if over-processed. Using coolant during machining can help reduce tool wear and improve the finish. This makes them suitable for producing precision parts in engineering and manufacturing applications. -
Question:
What is the size range available for 304 stainless steel round bars?
Answer: 304 stainless steel round bars come in various diameters and lengths, typically ranging from small diameters like 0.1875" to larger sizes based on specific project requirements. Custom lengths may also be available to accommodate unique specifications. This broad range allows engineers and designers to select the right size for their projects, ensuring optimal performance and fit. -
Question:
Where can I buy 304 Stainless Steel Round Bar, Unpolished (Mill) Finish, Annealed?
Answer: You can purchase 304 Stainless Steel Round Bar, Unpolished (Mill) Finish, Annealed from Ubuy in Trinidad and Tobago. Ubuy provides a reliable platform for sourcing high-quality stainless steel materials, backed by comprehensive product information and customer support, making it easier for you to find the exact specifications you need for your projects.
Online Metals Rods 635 Editorial Review
304 Stainless Steel Round Bar, Unpolished (Mill) Finish, Annealed, AMS 5639/ASTM A276/AMS QQ-S 763/ASTM A276, 0.1875" Diameter, 48" Length, OnlineMetals is a versatile choice for various applications. Many users have found it perfect for DIY projects, such as creating custom cooker hooks, proving its functionality. Its robust stainless steel construction ensures longevity and reliability, meeting critical specifications like ASTM A276, which adds to its appeal. With a diameter of 0.19 inches and a weight of only 0.5 lbs, it strikes a good balance between strength and ease of handling, making it a favored option among hobbyists and professionals alike.
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Pros
- Made from durable 304 stainless steel
- Versatile for DIY projects and applications
- Meets ASTM and AMS specifications
- Lightweight and easy to handle
- Finished with an unpolished mill design
Cons
- Size may not suit all specific needs
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TTD 367
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Features & Benefits
- High strength and durability with 304 stainless steel.
- Perfect for aerospace and food & beverage industries.
- Ideal for pressure containers and chemical processing equipment.
- Meets multiple industry standards including AMS and ASTM.
- Available in a convenient 48-inch length with a 0.1875-inch diameter.
- Versatile for architectural designs, trim, and cryogenic applications.
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