ASTM A53 Grade B Steel Pipe
ASTM A53 Grade B is a versatile carbon steel pipe standard for mechanical, pressure, and general structural applications. Available in ERW (Type E) and Seamless (Type S) versions, it offers 240 MPa yield strength and excellent weldability for water, gas, and steam lines.
| Material | Carbon Structural Steel Pipe |
|---|---|
| Grade / Standard | ASTM A53 Grade B / ASME SA53 Grade B |
| Outer Diameter (OD) | NPS 1/8\" - 26\" (10.3mm - 660mm) |
| Wall Thickness (WT) | Sch 10 - Sch 160 / XXS (2mm - 60mm) |
| Length | 5.8m - 12m (Single Random / Double Random / Fixed Length) |
| Delivery Condition | hot_rolled / cold_rolled |
| Surface Treatment | galvanized |
| MOQ | 5 Tons |
| Delivery Time | 15-30 Days / In Stock |
| Loading Port | Tianjin / Shanghai / Qingdao |
Overview of ASTM A53 Grade B Steel Pipe
ASTM A53 Grade B is a standard carbon steel pipe grade specified under the ASTM A53 / A53M norm, widely recognized as the versatile workhorse for general industrial and structural applications. It is designed for mechanical and pressure applications, and is also acceptable for ordinary uses in steam, water, gas, and air lines. Available in three distinct types—Type E (Electric Resistance Welded), Type S (Seamless), and Type F (Furnace-Butt Welded)—Grade B is the higher-strength variant within the A53 family, offering a reliable balance of structural integrity and cost-efficiency.
Shandong Tanglu Metal Material Co., Ltd. supplies premium ASTM A53 Grade B steel pipes produced with high-precision manufacturing techniques to ensure uniform wall thickness and excellent surface quality. Whether in a seamless or welded configuration, A53 Gr. B provides a robust solution for low-pressure fluid transport and structural frameworks. For B2B buyers, it represents a globally standardized material that simplifies procurement and fabrication in diverse construction and industrial projects.
Key Features and Technical Advantages
The primary advantage of ASTM A53 Grade B steel pipe is its exceptional versatility across multiple fabrication methods. It is specifically engineered to handle coiling, bending, and flanging, making it ideal for complex piping layouts and structural assemblies. The grade features a precisely controlled carbon and manganese content, which results in a material that is both strong and highly weldable using standard industrial processes such as SMAW and GMAW.
Our A53 pipes are available in a comprehensive range of dimensions, from NPS 1/8″ up to NPS 26″, with wall thickness schedules covering SCH 10 through XXS. A key benefit of this grade is its adaptability to various surface treatments; it is frequently supplied in the hot-dip galvanized condition to provide superior atmospheric corrosion resistance. Every pipe undergoes mandatory hydrostatic testing and non-destructive examination, ensuring that each length meets the strict safety and performance requirements of the ASTM standard.
Main Applications of ASTM A53 Grade B Steel Pipe
ASTM A53 Grade B steel pipe is the definitive material for low-pressure fluid and gas transportation systems. It is extensively used in the construction of HVAC heating and cooling networks, fire protection sprinkler systems, and compressed air distribution lines. In the municipal sector, it serves as the primary conduit for non-potable water transmission and low-pressure steam distribution.
Beyond fluid transport, A53 Gr. B is a vital material for structural and mechanical engineering. It is used for manufacturing industrial handrails, safety barriers, scaffolding, and general structural supports for equipment. Its durability and ease of fabrication also make it an indispensable choice for oil and gas gathering lines, processing plant utility piping, and specialized hydraulic systems. Its reliability in a broad range of environmental conditions makes it a staple in steel service centers and large-scale industrial projects worldwide.
Why Choose Us for ASTM A53 Grade B Steel Pipe
Shandong Tanglu Metal Material Co., Ltd. supplies high-grade ASTM A53 Grade B steel pipe sourced from Tier-1 mills with advanced automated production lines and comprehensive quality management systems. We provide detailed Mill Test Certificates (MTC) for every order, documenting full compliance with ASTM A53/A53M standards, including heat analysis, mechanical property verification, and pressure test results.
Our logistical expertise ensures flexible pipe lengths and specialized seaworthy packaging designed to prevent surface oxidation and physical damage during international transit. With a stable monthly supply capacity of 12,000 tons and professional technical support for grade comparisons (such as A53 vs A106), we provide B2B clients with the material consistency, logistical reliability, and competitive lead times required for high-stakes industrial and construction deployments.
📐 Dimension & Size Table
| Thickness (mm) | Width (mm) | Length (mm) | Weight (kg/m²) |
|---|---|---|---|
| 1/2" | 21.3 | Sch 40 (STD) | 1.27 |
| 1" | 33.4 | Sch 40 (STD) | 2.50 |
| 2" | 60.3 | Sch 40 (STD) | 5.44 |
| 4" | 114.3 | Sch 40 (STD) | 16.07 |
| 6" | 168.3 | Sch 40 (STD) | 28.26 |
| 8" | 219.1 | Sch 40 (STD) | 42.55 |
| 12" | 323.8 | Sch 40 (STD) | 79.73 |
| 24" | 610.0 | Sch 40 (STD) | 257.06 |
* Custom sizes available upon request. Tolerances per relevant international standards.
🔬 Chemical Composition
| Element | Min | Max | Display Value | Note |
|---|---|---|---|---|
| C | - | 0.30 | ≤0.30 | For Type E & S |
| Mn | - | 1.20 | ≤1.20 | |
| P | - | 0.05 | ≤0.05 | |
| S | - | 0.045 | ≤0.045 | |
| Cu | - | 0.40 | Ref ≤0.40 | Combined Cr,Cu,Mo,Ni,V ≤ 1.0% |
* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.
⚙️ Mechanical Properties
| Property | Value | Unit | Test Condition |
|---|---|---|---|
| Tensile Strength | ≥415 | MPa | 60,000 psi |
| Yield Strength | ≥240 | MPa | 35,000 psi |
| Elongation (Longitudinal) | ≥30 | % | Calculated value |
| Hydrostatic Test | Passed | - | Mandatory testing |
| Flattening/Bending | Passed | - | Per ASTM A53 standard |
* Values shown are minimum requirements unless otherwise stated.
📦 Commercial Information
| Packaging | Seaworthy export standard packaging. Pipes are tightly bundled with high-strength steel strapping in hexagonal bundles (small diameters) or shipped loose with protective end caps (large diameters). For galvanized or coated pipes, bundles are wrapped in waterproof woven bags or plastic film to prevent coating damage during crane handling and transit. |
|---|---|
| Payment Terms | T/T (Telegraphic Transfer),L/C (Letter of Credit),D/P (Documents against Payment),Western Union |
| Price Term | FOB,CFR,CIF,DDP |
| Supply Capacity | 12,000 Tons/Month |
| Loading Port | Tianjin / Shanghai / Qingdao |
Why Choose Our ASTM A53 Grade B Steel Pipe?
Multi-Purpose Pressure Grade
240 MPa minimum yield strength provides reliable performance for low-pressure steam, water, and gas transmission in industrial plants.
Excellent Welding & Coiling
Optimized mechanical properties allow for easy bending, flanging, and secure welding, perfect for intricate piping networks and structural frameworks.
Durable Corrosion Protection
Frequently supplied with hot-dip galvanizing, providing a robust protective layer for long-term use in outdoor and atmospheric environments.
100% Hydrostatic Tested
Every length of pipe is subjected to rigorous pressure testing to ensure structural integrity and leak-free performance in demanding applications.
Standardized Global Utility
As a widely recognized global standard, ASTM A53 Gr. B ensures broad availability and ease of integration into international projects.
🏭 Applications of ASTM A53 Grade B Steel Pipe
ASTM A53 Grade B steel pipe is the definitive choice for general industrial utility, essential for HVAC networks, fire sprinkler systems, and compressed air lines. It is the primary material for municipal non-potable water transmission and low-pressure steam distribution. In the construction industry, it is widely utilized for industrial handrails, safety barriers, and structural scaffolding. A53 Gr. B also serves as the trusted standard for utility piping in oil refineries, processing plants, and specialized mechanical engineering frameworks.
📋 Quality & Certification
Our Certifications
- ✅ ISO 9001:2015
- ✅ CE Marking
- ✅ ABS
- ✅ DNV GL
- ✅ Lloyd's Register (LR)
- ✅ Bureau Veritas (BV)
- ✅ SGS Certified
- ✅ NK
- ✅ RINA
Mill Certificate Type
- 📋 EN 10204 3.1
- 📋 EN 10204 3.2
- 📋 Original Mill Certificate
- 📋 Third Party Inspection Available
- 📋 Certificate of Origin
❓ Frequently Asked Questions
What is the difference between ASTM A53 Grade A and Grade B?
Grade B has a higher tensile and yield strength (415/240 MPa) compared to Grade A (330/205 MPa). Grade B is preferred for applications requiring higher structural or pressure-bearing capacity.
Is ASTM A53 Grade B the same as A106 Grade B?
No. A106 is intended specifically for high-temperature service and is only available as seamless pipe. A53 is for general mechanical and pressure applications and is available as both seamless and welded (ERW).
What does 'Type E' mean in A53?
Type E stands for Electric Resistance Welded (ERW). It means the pipe is manufactured by forming a steel coil into a cylindrical shape and welding the longitudinal seam using electricity.
Can A53 steel pipe be used for steam?
Yes, ASTM A53 Grade B is suitable for low-pressure steam lines. For high-pressure or high-temperature steam applications, ASTM A106 Grade B is usually recommended.
How is A53 pipe protected from rust during shipping?
Standard black pipes are coated with anti-rust oil or black lacquer. Galvanized pipes are protected by a zinc layer. All pipes are bundled with waterproof packaging for international transit.
Request Quote for
ASTM A53 Grade B Steel Pipe
Submit your requirements and receive a competitive price quote within 24 hours.
- ✓ Fast response within 24 hours
- ✓ Competitive factory-direct pricing
- ✓ Free technical consultation
- ✓ Mill test certificate provided
- ✓ Flexible payment terms available
⏱ Guaranteed 24-hour response
Send Your Inquiry
All fields marked with * are required