ASTM A554 Stainless Steel Mechanical Tubing Supplier
ASTM A554 specifies the technical requirements for welded stainless steel mechanical tubing. It’s suitable for pipes requiring aesthetics, structural integrity, corrosion resistance, and mechanical performance. Unlike pressure pipe, A554 tubing is designed specifically for mechanical and structural support, making it an ideal choice for various automotive , construction, and industrial applications. YASCO is a supplier of high-quality ASTM A554 stainless steel tubing, offering custom service in various types and sizes.
Specification of ASTM A554 Stainless Steel Square Tube
| Outside diameter(mm) |
Wall Thickness(mm) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.2 | 1.5 | 2.0 | 3.0 | 4.5 | 6.5 | |
| 12.7 | √ | √ | √ | √ | √ | √ | √ | √ | ||||
| 15.9 | √ | √ | √ | √ | √ | √ | √ | √ | ||||
| 19.0 | √ | √ | √ | √ | √ | √ | √ | √ | ||||
| 22.2 | √ | √ | √ | √ | √ | √ | √ | √ | ||||
| 25.4 | √ | √ | √ | √ | ||||||||
| 28.6 | √ | √ | √ | √ | ||||||||
| 31.8 | √ | √ | √ | √ | √ | √ | ||||||
| 38.1 | √ | √ | √ | √ | √ | √ | √ | |||||
| 50.8 | √ | √ | √ | √ | √ | |||||||
| 63.5 | √ | √ | √ | √ | √ | √ | ||||||
| 76.2 | √ | √ | √ | √ | √ | |||||||
| 88.9 | √ | √ | √ | √ | ||||||||
| 101.6 | √ | √ | √ | √ | ||||||||
| 114.3 | √ | √ | √ | |||||||||
Why Choose ASTM A554 Mechanical Tubing?
- Superior Aesthetics: A variety of surface finishes (such as matte, polished, and brushed) is available to meet high-end customization needs.
- Excellent Structural Strength: Cold working processes, like cold drawing, boost a material’s yield and tensile strength. This creates a strong, lightweight structure.
- Strong Corrosion Resistance: Austenitic stainless steel provides great rust resistance and durability. It’s ideal for many indoor and outdoor uses.
- High Dimensional Accuracy: Strict manufacturing standards keep the outer diameter and wall thickness consistent. This helps with machining, assembly, and welding.
- Excellent Machinability: Easily bends, cuts, welds, and forms, providing a high degree of design flexibility.
Available Material Grades
- 304/304L: This stainless steel is a general-purpose material. It offers great corrosion resistance and is easy to work with. That’s why it’s often the preferred choice for various applications.
- 316/316L: 316/316L contains molybdenum, effectively resisting pitting and crevice corrosion. This grade is ideal for projects located in coastal areas or exposed to chemicals.
We also offer custom stainless steel grades for special material requirements.
Chemical Composition And Mechanical Properties of ASTM A554
| Attribute | Material grade | 304/304L | 316/316L | 430 |
|---|---|---|---|---|
| Chemical composition (%) |
Carbon (C) | ≤ 0.08 | ≤ 0.08 | ≤ 0.12 |
| Chromium (Cr) | 18.0 – 20.0 | 16.0 – 18.0 | 16.0 – 18.0 | |
| Nickel (Ni) | 8.0 – 10.5 | 10.0 – 14.0 | – | |
| Molybdenum (Mo) | – | 2.0 – 3.0 | – | |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 | ≤ 1.00 | |
| Mechanical properties |
Tensile strength (MPa) | ≥ 550 | ≥ 520 | – |
| Yield strength (MPa) | ≥ 205 | ≥ 205 | – | |
| Elongation (%) | ≥ 25 | ≥ 35 | – |
Applications of ASTM A554 Square Tube
- Architecture and Decoration: stair railings, guardrails, door and window frames, awning brackets, interior and exterior decorative components, furniture frames.
- Automotive Industry: Exhaust system components, decorative exhaust pipes, structural brackets, interior support parts for buses and trucks.
- Industrial Equipment: frames of mechanical equipment, protective covers, rollers of conveying systems, parts of textile machinery, and brackets for food processing equipment.
- Daily Necessities: fitness equipment frames, supermarket trolleys, medical equipment bed frames, exhibition and display equipment.
Our Services & Quality Assurance
- Customized production: We can provide precise deep processing services such as cutting, bending and welding based on your drawings or samples.
- Comprehensive quality inspection: From raw materials to finished products, every process undergoes strict quality control to ensure that the products meet or even exceed the requirements of ASTM A554 standards.
- Professional technical support: Our team of engineers is always ready to offer you professional advice on material selection, application design and processing technology.
- Efficient logistics and distribution: With a complete warehousing and logistics system, we ensure that products can be delivered to you in a timely and intact manner.















