A500 GradeA Welded Spiral Pipe Tube

Product Type - Steel Pipe

A500 Grade A, B, C, and D tubing is available in both welded and seamless forms, and each grade has different mechanical properties. A500 is a standard specification for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly used for structural applications such as construction, machinery, and equipment.


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 A500 GradeA B C D Welded Spiral Pipe Tube
Size Wall Thickness: 5.0mm -22.0mm
Outer Diameter: 219mm – 3620mm
Length 6-12m or as required
Surface Finish All Sizes Can be customzied
Standard SY/T5037-2008, GB/T9711.1-2008, API-5L PSL1/PSL2, SY/T5040-2008
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 A500 Chemical Composition

Grade UNS Composition (% by weight in heat) Minimum strength requirements
C Mn P S Cu tensile yield (round) yield (shaped) elongation
max % max % max % max % min % MPa (ksi) MPa (ksi) MPa (ksi) %
A K03000 0.26 1.35 0.035 0.035 0.2 310 (45) 230 (33) 270 (39) 25
B K03000 0.26 1.35 0.035 0.035 0.2 400 (58) 290 (42) 315 (46) 23
C K02705 0.23 1.35 0.035 0.035 0.2 425 (62) 315 (46) 345 (50) 21
D K03000 0.26 1.35 0.035 0.035 0.2 400 (58) 250 (36) 250 (36) 23

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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