Product Details

ASTM A501 Carbon Steel Pipes: Hot Formed Structural Tubing For Mechanical Structure
Introduction
ASTM A501 is a specification that covers hot-formed welded and seamless carbon steel square, round, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes. This article provides an overview of ASTM A501, including its material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades.
Material and Specification
ASTM A501 specifies the requirements for carbon steel tubing produced in rounds, squares, and rectangular shapes. The tubing is intended for use in structural applications where welding or bolting is required. The material used for manufacturing ASTM A501 carbon steel pipes is typically low-carbon steel.
Key Features
The key features of ASTM A501 carbon steel pipes include:
- Hot-formed process: The tubing is produced by hot forming the steel at temperatures above 1700°F (925°C), which enhances its structural integrity.
- Welded or seamless options: ASTM A501 allows for both welded and seamless tubing, providing flexibility in construction applications.
- Durable and strong: The carbon steel material used in ASTM A501 pipes ensures high strength and durability, making it suitable for various mechanical structures.
- Versatile shapes: The specification covers square, round, rectangular, and special shape tubing, allowing for diverse design possibilities.
Chemical Composition
Element | Composition Range (%) |
Carbon (C) | 0.26 max |
Manganese (Mn) | 0.60 - 1.20 |
Phosphorus (P) | 0.035 max |
Sulfur (S) | 0.035 max |
Mechanical Properties
Property | Minimum Value |
Tensile Strength | 58,000 psi (400 MPa) |
Yield Strength | 36,000 psi (250 MPa) |
Elongation | 23% |
Steel Grade
ASTM A501 does not specify any particular steel grade. However, the material used is typically low-carbon steel, such as ASTM A500 Grade B or Grade C.
Application
ASTM A501 carbon steel pipes find application in various mechanical structures, including:
- Bridges: The tubing is suitable for constructing bridge components, such as trusses and supports.
- Buildings: It can be used in the construction of buildings, providing structural support for columns, beams, and other load-bearing elements.
- General structural purposes: ASTM A501 pipes are versatile and can be used in a wide range of general structural applications where high strength and durability are required.
Possible Alternative Grades
While ASTM A501 is a widely used specification, there are alternative grades available for specific applications. Some possible alternative grades include ASTM A500, ASTM A53, and ASTM A252. These grades offer similar or enhanced properties and may be suitable depending on the specific requirements of the project.






Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.




Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Company Profile
Who We are ?
TORICH is an enterprise that has been producing precision steel
pipes and steel pipe processing for over 20 years, with a factory
area of approximately 20000 square meters
The main products produced are carbon steel and alloy steel grade
seamless steel pipes, welded precision steel pipes, DOM steel
pipes, seamless and welded stainless steel pipes。And our separate workshop also produce machined cast iron parts and cast steel
parts, as well ad customized precision parts and difficult
precision parts. Our strength is with in our ability to produce
metal parts of higher quality control in an integrated process, from mapping and mould design, to casting, forging, machining, heat treatment, surface treatment, assembly
and testing.
TORICH team is familiar with the quality requirements and process standards of
precision partssteel tubes of leading industrial companies at home and abroad,and management level, and constantly looks for like-minded excellent
suppliers, which enable us to reduce the have a comparative advantage over many of our competitors.
In the field of processing, TORICH has 18 sets 4-axis/3-axis CNC machines and over 30 sets of
CNC lathers. The machining center is capable of machining
1100x600x800mm parts and the CNC lathes are capable of processing
550x1500mm parts. We specialize in machining stainless steel, alloy
steel and other hard metals, as well as carbon steel, aluminium,
and copper, with a dimensional accuracy of 0.01mm.
As of 2023, TORICH has perfectly cooperated with more than 50
countries, including Russia, India, Australia, the United Kingdom, France, the United States,
Canada, Brazil, and Egypt. Quality and reputation are always our
first concerns, with the aim of well serving every customer who
trusts in us. TORICH looks forward to partnering with customers all
over the world.
What products we do?
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
CNC Stainless Steel Parts
CNC Aluminum Parts
CNC CopperParts
CNC Turning Parts
CNC Milling Parts
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries