ASTM A53 Carbon Steel Round Tube
ASTM A53 Carbon Steel Round Tube: Durable and Versatile for Industrial Applications
When sourcing reliable structural and mechanical steel tubing, ASTM A53 carbon steel round tube is a fundamental choice across numerous industries. This specification covers both welded and seamless carbon steel round pipe, available in black and hot-dipped galvanized finishes, suitable for mechanical and pressure applications as well as for ordinary uses in steam, water, gas, and air lines. For projects requiring superior pressure integrity and uniformity, a Seamless Carbon Steel Round Tube is often specified. Alternatively, for cost-effective conveyance of fluids and gases at lower pressures, an ERW Carbon Steel Round Pipe provides an excellent solution. When higher temperature service is a requirement, such as in power generation or process piping, many engineers select ASTM A106 Grade B Round Pipe. For superior corrosion resistance in outdoor or exposed environments, a Galvanized Carbon Steel Round Pipe, coated with a protective layer of zinc, offers extended service life and reduced maintenance.
The ASTM A53 Carbon Steel Round Tube is manufactured in two primary types and three grades to meet diverse application needs. Type S is seamless, produced by piercing a solid billet, resulting in a tube with consistent strength around its circumference. Type E is Electric Resistance Welded (ERW), formed from skelp and welded longitudinally. Type F is furnace-welded, though less common today. The material is offered in Grade A, Grade B, and a Grade B with supplementary requirements for enhanced testing. Grade B is the most widely used, providing higher tensile and yield strength than Grade A, making it suitable for more demanding structural supports, fencing, handrails, and low to medium-pressure fluid systems. The dimensional versatility and reliable mechanical properties of the ASTM A53 Carbon Steel Round Tube ensure it remains a cornerstone material for construction, manufacturing, and infrastructure projects.
Key Specifications & Parameters
- Standard: ASTM A53 / ASME SA53
- Type: Type S (Seamless), Type E (ERW), Type F (Furnace Butt-Welded)
- Grade: Grade A, Grade B
- Material: Carbon Steel
- Process: Hot Finished or Cold Drawn (Seamless), As-Welded or Cold Drawn (ERW)
- Ends: Plain End (PE), Beveled End (BE), Threaded & Coupled (T&C)
- Surface: Black (bare), Hot-Dipped Galvanized (zinc-coated)
- Common Schedules: SCH 40, SCH 80, STD, XS, XXS
Mechanical Properties (Typical)
| Grade | Tensile Strength, min (psi) | Yield Strength, min (psi) | Elongation, min (%) |
|---|---|---|---|
| A53 Grade A | 48,000 | 30,000 | 35.0 (on 2") |
| A53 Grade B | 60,000 | 35,000 | 30.0 (on 2") |
Standard Size Range (NPS)
| Type | Size Range (NPS) | Common Wall Thickness |
|---|---|---|
| A53 Seamless (Type S) | 1/8" to 24" | SCH 10S to SCH XXS |
| A53 ERW (Type E) | 1/8" to 26" | SCH 10 to SCH XXS |
Chemical Composition (%) - Maximum
| Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Copper (Cu)* |
|---|---|---|---|---|---|
| A53 Grade A | 0.25 | 0.95 | 0.05 | 0.045 | 0.40 min |
| A53 Grade B | 0.30 | 1.20 | 0.05 | 0.045 | 0.40 min |
*Copper requirement applies when specified for seamless pipe.
Related Products
Hot Products
Steel Support
Shunchen delivers stable, high-bearing Steel Support tailored for global project procurement, covering permanent building frames, pipeline brackets and temporary construction bracing. Manufactured with standard Q235B/Q355B carbon steel, our products support customized machining, full quality inspection and factory direct bulk procurement to cut overall purchasing costs for contractors, fabricators and engineering enterprises.
Cold Drawn Hexagonal Steel Bar
Tianjin Shunchen Industrial is a professional China manufacturer and supplier of cold drawn hexagonal steel bar. Adopting precision multi-pass cold drawing technology with high-hardness alloy molds, our bars achieve high dimensional accuracy and bright smooth surface, solving the pain points of large tolerance, rough oxide surface and high secondary machining cost of ordinary hot-rolled hexagonal bars. It is an ideal material for fastener manufacturing, auto parts and precision machinery components, welcome to send inquiries for free samples and competitive quotes.
EN 10210 S355J2H Square Hollow Section
Tianjin ShunChen Industrial is a professional Chinese manufacturer and supplier of EN 10210 S355J2H square hollow sections. We adopt advanced cold-forming and high-frequency precision welding technologies, with full-process digital control of dimensional tolerance and mechanical properties. Our products feature excellent low-temperature toughness, high structural strength, stable welding performance and outstanding processing adaptability, effectively solving the pain points of insufficient load-bearing capacity, easy brittle fracture at low temperature, large dimensional deviation and high processing loss for steel structure engineering, curtain wall support and mechanical manufacturing. We welcome customers to inquire for free samples and competitive quotations.
Pre-Galvanized Round Steel Tubing for Outdoor Scaffolding
Shunchen Industrial's Pre-Galvanized Round Steel Tubing for Outdoor Scaffolding is a round steel tube designed for temporary construction structures, working platforms, access systems, and other applications that require reliable tubular support. The round cross-section provides balanced structural performance, while the pre-galvanized surface offers additional protection against moisture and general outdoor exposure.
Hot-Dip Galvanized Angle Steel
Tianjin Shunchen Industrial is a professional China-based manufacturer and supplier of hot-dip galvanized angle steel with thickened zinc layer. Adopting fully automatic hot-dip galvanizing technology, our products achieve 275-600g/m² uniform zinc coating, solving the pain points of ordinary galvanized angle steel such as easy rusting, short service life and high maintenance cost in high-corrosion environments. It is the preferred material for coastal power, municipal engineering, chemical industry and port construction, welcome to send inquiries for free samples and quotes.
Z folding container house
Shunchen Industry is a professional manufacturer and source factory in China specializing in the production of Z folding container house. It focuses on customizing, producing, and supplying high-quality Z folding container house. Shunchen offers direct purchasing and bulk quotation cooperation services. Z folding container house have completely solved the industry pain points of traditional temporary buildings in terms of long construction period, high cost, non-reusable nature, and poor adaptability. Z folding container house have core advantages such as strong portability, no need for wet work during installation, low carbon and environmental protection, strong durability, and fire and heat resistance. They also support personalized customization. We welcome all customers to consult, inquire, and negotiate for bulk orders for long-term cooperation.
- Related Blog
- Reviews
