info@lefinsteel.com

+8615122229899

Home
About us
Products
Resource
Project
Service Capability
Certificates
Contact Us

中文

Home page

Details

Basic Information

ASTM A501 SEAMLESS HOLLOW SECTION

Standard: ASTM A501

Grade: GR.A, GR.B, GR.C

Type: Seamless

Outside Diameter: 20*20 - 1200*1200 Wall Thickness:1.3 - 50mm

Outside Diameter: 20*30 - 1200*1500 Wall Thickness:1.2 - 50mm

Length: 5.8m, 6m, 12m, or as your required

Pipe End: flat end/ chamfer end/ groove/ thread

Coating: Black/ varnish/ 3PE/ galvanized/ fused epoxy coating

Chemical Composition

COMPOSITION, %
	GRADE A		GRADE B,C
	HEAT ANALYSIS	PRODUCT ANALYSIS	HEAT ANALYSIS	PRODUCT ANALYSIS
Carbon(C),max	0.26	0.30	0.22	0.26
Manganese(Mn),max	no requirement	no requirement	1.40	1.45
Phosphorus(P),max	0.035	0.045	0.030	0.040
Sulfur(S),max	0.035	0.045	0.020	0.030
Copper(Cu),min	0.20	0.18	0.20	0.18

Physical Requirement

ASTM A501 Tensile and Impact Requirements
	Wall Thickness	GRADE A		GRADE B		GRADE C
TENSILE STRENGTH,min	All	58000psi	400MPa	65000psi	448MPa	70000psi	483MPa
	WT≤25mm	39000psi	270MPa	46000psi	315MPa	50000psi	345MPa
	25mm＜WT≤50mm	38000psi	260MPa	45000psi	310MPa	49000psi	340MPa
YIELD STRENGTH，min	50mm＜WT≤76mm	36500psi	250MPa	42500psi	290MPa	47500psi	330MPa
	76mm＜WT≤100mm	35000psi	240MPa	40000psi	280MPa	46000psi	315MPa
ELONGATION,min		25%		24%		23%

Advantages of ASTM A501 Seamless Hollow Section:

Strength and durability

-High strength: ASTM A501 carbon steel pipe structure has a high tensile strength and yield strength, can withstand large stresses and pressures, not easy to break or deformation.

- Corrosion resistance: The steel used has good atmospheric corrosion resistance and can effectively resist rust and other forms of corrosion, especially suitable for outdoor applications.

Structural performance

- High stiffness and torsional performance: Hollow section structures have a high moment of inertia and section modulus, which can provide good flexural and torsional stiffness, suitable for structural applications under various loads.

- Closed section advantages: The closed section design helps to resist torsional loads, while in places that need to be kept clean (such as food processing, etc.), dust and debris are not easy to accumulate due to its fewer surfaces.

Processing and application

- Good weldability and formability: Low carbon content makes ASTM A501 material with excellent weldability and easy to perform various welding operations. At the same time, its formability is also good, and it can be processed into different shapes and sizes according to needs.

- Versatility: A wide range of shapes (such as square, rectangular, round, etc.) and dimensions are available to meet the needs of different engineering and industrial applications. For example, it can be used in building frames, Bridges, towers, mechanical parts, pipeline systems, automobile frames, etc.

Economy and aesthetics

- Economy: Due to its high strength and durability, the ASTM A501 hollow section reduces material usage and maintenance costs, thereby reducing overall economic costs.

- Aesthetics: Its smooth sides, rounded corners and closed section design make it have a good visual effect in architectural and structural design, and it is often used in occasions where the structure needs to be exposed.

ASTM A501 SEAMLESS STEEL PIPE

E-mail: