- 1. Overview of ASTM A53 Grade B Standard
- 2. ASTM A53 Grade B Pipe Size Range and Classification
- 3. Weight Calculation Formula for ASTM A53 Grade B Pipes
- 4. Material Selection and Application Range
- 5. ASTM A53 Grade B vs Other Related Standards
- 6. LONGMA — Your Trusted ASTM A53 Grade B Pipe Manufacturer
- 7. Conclusion
In industrial pipe procurement, ASTM A53 Grade B is one of the most frequently specified carbon steel standards.Whether your project involves oil and gas transportation, structural engineering, or machinery manufacturing, having an accurate understanding of ASTM A53 Grade B pipe dimensions and weight charts is essential for precise material selection and reducing procurement risks.This article provides a comprehensive overview of standard specifications, dimensional ranges, weight calculation methods, and selection guidelines to help you make informed decisions for your project.
Overview of ASTM A53 Grade B Standard
According to the ASTM A53/A53M specification, Grade B covers carbon steel pipes manufactured either as seamless (Type S) or electric-resistance welded (Type E). These pipes are suitable for water, gas, steam, and structural applications.
Manufacturing Types:
- ASTM A53 Type S Grade B– Seamless pipe
- ASTM A53 Type E Grade B– Electric Resistance Welded (ERW) pipe
Their chemical composition and mechanical properties are defined in Sections 6 and 9 of the ASTM A53/A53M standard.
| Property | ASTM A53 Grade B Requirement |
| Yield Strength | ≥ 240 MPa |
| Tensile Strength | ≥ 415 MPa |
| Elongation | ≥ 20% (based on standard gauge length) |
This combination of strength and ductility makes ASTM A53 Grade B an excellent choice for both structural and fluid transport applications.
ASTM A53 Grade B Pipe Size Range and Classification
The dimensional range for ASTM A53 Grade B pipes spans from NPS 1/8 inch to NPS 26 inches, with various wall thickness designations such as Schedule 10, 40, 80, and 160.
Among them, Schedule 40 is the most widely used for medium-pressure systems and structural supports.
| Nominal Pipe Size (NPS) | Outside Diameter (OD, mm) | Wall Thickness (Sch 40, mm) | Theoretical Weight (kg/m) |
| 1/2″ | 21.3 | 2.77 | 1.27 |
| 1″ | 33.4 | 3.38 | 2.50 |
| 2″ | 60.3 | 3.91 | 5.44 |
| 4″ | 114.3 | 6.02 | 14.7 |
| 6″ | 168.3 | 7.11 | 25.1 |
| 8″ | 219.1 | 8.18 | 36.3 |
| 10″ | 273.1 | 9.27 | 53.5 |
Data source: ASTM A53/A53M-2023 Standard (excerpt).
A complete ASTM A53 Grade B pipe dimensions PDF can be provided upon request by manufacturers such as LONGMA.
Weight Calculation Formula for ASTM A53 Grade B Pipes
For procurement engineers, knowing how to calculate theoretical pipe weight is crucial for accurate budgeting and logistics planning.
Formula:
Weight (kg/m) = (OD – t) × t ×0.02466
Where:
- OD= Outside Diameter (mm)
- t= Wall Thickness (mm)
Example:
For ASTM A53 Grade B Sch 40 DN100 (OD = 114.3 mm, t = 6.02 mm):
(114.3 – 6.02) × 6.02 ×0.02466 ≈ 15 kg/m
This method helps estimate transportation weight and support load requirements for different project scales.
Material Selection and Application Range
ASTM A53 Grade B carbon steel pipes are known for their good weldability, mechanical strength, and versatile performance, making them suitable for a wide range of uses:
- Oil, gas, and water pipelines:Stable pressure performance for long-distance transmission networks.
- Structural supports:Ideal for trusses, columns, and steel frameworks.
- Industrial equipment fabrication:Commonly used in boilers, heat exchangers, and low-temperature fluid systems.
For environments requiring enhanced corrosion resistance, Galvanized ASTM A53 Grade B Pipes are recommended, providing extended service life and protection.
ASTM A53 Grade B vs Other Related Standards
Many customers often compare ASTM A53 with ASTM A106 Grade B and API 5L Grade B.
Here’s a brief comparison:
| Standard | Type | Primary Use | Testing Requirements |
| ASTM A53 Gr B | ERW / Seamless | General pipelines and structural use | Hydrostatic, bending, flattening tests |
| ASTM A106 Gr B | Seamless | High-temperature and high-pressure service | Stricter chemical control |
| API 5L Gr B | Seamless / ERW | Oil & gas transmission lines | Additional impact and toughness tests |
Thus, for medium- or low-pressure and ambient temperature systems, ASTM A53 Grade B offers the best balance of cost efficiency and performance reliability.
LONGMA — Your Trusted ASTM A53 Grade B Pipe Manufacturer
With over 20 years of steel pipe manufacturing experience, LONGMA strictly follows the ASTM A53/A53M standard and provides a complete Mill Test Certificate (MTC) with every shipment.
Our strengths include:
- In-house laboratory testing:Covering chemical composition, mechanical properties, hydrostatic and NDT inspection.
- Precision size control:Wall thickness tolerance ≤ ±0.3 mm to meet design specifications.
- Global certifications:Compliance with ASTM, EN, ISO, and API standards.
- Fast delivery and custom manufacturing:Tailored dimensions available based on customer drawings.
Choosing LONGMA ASTM A53 Grade B Steel Pipe means choosing quality, compliance, and reliability.
Conclusion
The ASTM A53 Grade B Pipe Dimension and Weight Chart is a fundamental reference for both designers and procurement engineers.Understanding pipe dimensions, wall thickness, and weight parameters helps you avoid selection errors, optimize structure design, and control project budgets.
As an experienced ASTM A53 Grade B supplier, LONGMA provides high-standard, fully tested products supported by a robust quality control system — delivering confidence and reliability for every project.
