A501 Welded Seamless Round Pipe

Product Type - Steel Pipe

A501 is a standard specification for hot-formed welded and seamless carbon steel structural tubing. A501 tubing is commonly available in round, square, and rectangular shapes, and it can be manufactured in both welded and seamless forms. It is commonly used for structural applications, such as in the construction of buildings, bridges, and other infrastructure projects.


Availability : IN STOCK


  • High Precision Dimension: The carbon steel plate has excellent processing technology good molding and easy welding. Thickened material, stable performance, and high hardness, not easy to rust.
  • Low Friction: Low dissipation factor. More durable than most ordinary domestic bearings. Lower operating costs​
  • Life Is Long: High-quality steel through strict quality inspection, quality control layer-by-layer detection, and reliable quality, long service life.
  • Customization: Drawings and samples can be processed and customized. Conventional large-scale spot, non-standard customization.
Product Name A501 Welded Seamless Round Pipe
Size Welded / Seamless Round Pipe
Wall Thickness: 2MM~60MM
Outer Diameter: 21.25MM~762MM
Length All Sizes Can be customzied
Surface Finish All Sizes Can be customzied
Certifications ISO 9001 BV SGS
Packing Industry standard packaging or according to client’s requirement
Payment terms T/T or LC at sight
Trade Terms EXW, FOB, CIF, CFR
Delivery time Fast delievery in 7 days, up to order quantity
Quality Mill Test Certificate supplied with the shipment, third part inspection is acceptable
Packing Detail Standard export package:Wooden pallet +paperboard +steel strip Customized requirements are accepted
Cutting Type All Sizes Can be customzied
MOQ 1 Ton
Capacity 10, 000 ton per month

Steel A501 Chemical Composition

Grade ,max Cr P S Co
A 0.3 0.045 0.045 0.18

Physical Properties and Mechanical Properties

Grade Physical Properties Mechanical Properties
Density Tensile Strength, Ultimate Tensile Strength, Yield
gram/ cubic cm lb/cubic in MPa psi MPa psi
A 7.8 0.282 310 45000 270 39000
B 0.305 400 58000 315 46000
C 425 62000 345 50000
D 400 58000 250 36000

Processing Flow

Our Certifications

Packaging and Shipping

1. Wood pallet packing cover with water-proof paper

2. Steel pallet packing cover with water-proof paper

3. Wood box packing

4. Steel pallet packing cover with steel box

5. In bundles with steel strip no extra packing

All Grades We are Supplying

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