ASTM A501 Carbon Steel Tube For Structural Purpose

Introduction

ASTM A501 standard covers round, square, rectangular, or special shape structural tube for welded, riveted, or bolted construction of bridges and buildings, and for general structural purpose. ASTM A501 carbon steel structural tube has high strength, which can withstand large loads in high pressure environments. Besides, It also has excellent forming performance, which can be squeezed and stretched into the shape you want by hot forming process. We offer the best quality ASTM A501 hot formed carbon steel structural tubes in various shapes, such as round, square and rectangular.

 

Manufacturing process

ASTM A501 carbon steel structural tube is made by seamless or welded process. For welded steel tube, the welded process covers electric resistance welding or submerged arc welding followed by reheating throughout the cross section and hot forming by a reducing or shaping process, or both. The final shape formation shall be made by a hot forming process.

 

Specifications

Product name	ASTM A501 Carbon Steel Structural Tube
Place of origin	China
Standard	ASTM A501
Material grade	Gr.A, Gr.B, Gr.C
Shape	Round, Square, and Rectangular
Technique	Seamless
	Welding: ERW, LSAW, SSAW, etc.
Outer diameter	Square tube: 10*10mm-650*650mm
	Rectangular tube: 50*20mm-400*200mm
	Round tube: 25mm-1220mm
Wall thickness	Square and Rectangular: 2.5mm-25mm
	Round: 2.5mm-100mm
Length	3m-12m or customized length
Surface treatment	Black painting, Hot dipped galvanized

 

Chemical compositions %

Steel grade	C,max(a)	Mn,max(a)	P,max	S,max
Gr. A	0.30	-	0.045	0.045
Gr. B	0.26	1.45	0.040	0.030
Gr. C
Note: For each reduction of 0.01 percentage point below the specified maximum for carbon, an increase of 0.06 percentage point above the specified the specified maximum for manganese is permitted, up to a maximum of 1.60 % by heat analysis and 1.65 % by product analysis.

 

Mechanical properties

Steel grade	Tensile strength,min(Mpa)	Yield strength,min(Mpa)	Elongation,min(%)
Gr. A	400	270	25
Gr. B	448	315	24
Gr. C	483	345	23

 

Product show

We offer round, square and rectangular carbon steel structural tube to clients. The surface treatment of steel tubes include black, hot dipped galvanized. The zinc thickness on the surface of steel tubes can be made according to clients' requirements.

 

Galvanized Square and Rectangular Tube

 

Black Round Carbon Steel Tube

 

Inspection

We always do our best to provide the best quality steel tubes to clients. All steel tubes will be carefully inspected before delivery to meet clients' requirements.

 

FAQ

Q: What is your payment terms?

A: One is 100%T/T, and another one is 30% prepayment and the balance payment of BL before shipment.

Q: How is the quality of your products?

A: Our steel tubes come from top manufacturers and suppliers in China, and all steel tubes will be carefully inspected before delivery.

Q: Can I go to your company for visit?
A: Of course, warmly welcome to your visit at any time. Please let us know your schedule and we will pick you up.

Q: Can you delivery the goods on time?

A: Of course, we promise to provide customers with high quality and best price, and the goods can be shipped on time. Honesty is our service tenet.

Q: Can you accept the third party inspection?

A: Yes, we absolutely accept the third party inspection.

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