ASTM A500 ERW Black Steel Square/Rectangular Tube for Wholesales

Still deciding? Get samples of $ !
Request Sample

Product Description

ASTM A500 ERW Black Steel Square/Rectangular Tube

Pre-Galvanized Ms Square and Rectangular Steel Pipe for Window Frame Building Material. Size 50 x 50 x 2 galvanised.

ASTM A500 ERW Black Steel Square Tube
i

Basic Information

Model NO.
Black Steel Square/Rectangular Tube
Material
Carbon Steel
Surface Treatment
Galvanized
Usage
Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Construction
Section Shape
Square
Certification
ISO9001
Grade
DIN, BS, En, ASTM, JIS, GB
Size
Od:1/4in--24in
Thickness
Sch40--80
Production Capacity
200,000 Ton/Year
S

Technical Specifications

Specification Of Square Tube
Size (mm) WT (mm) Size (mm) WT (mm) Size (mm) WT (mm) Size (mm) WT (mm)
10x100.6-0.842x421.2-6.090x902.5-6.0150x1504.0-8.0
12x120.6-0.845x451.2-6.095x952.5-6.0160x1604.0-8.0
15x150.7-2.050x501.5-6.0100x1002.5-6.0200x2005.0-10.0
20x201.0-3.060x601.5-6.0110x1103.0-6.0250x2508.0-25.0
30x301.2-4.070x702.0-6.0125x1253.0-6.0300x3008.0-25.0
40x401.0-6.085x852.5-6.0140x1404.0-8.0500x5008.0-25.0
W

Why Choose Us

  • Large scale direct manufacturing with competitive pricing.
  • Powerful technology team and strict quality assurance system.
  • Full documentation provided: packaging list, invoice, Certificate of Origin.
  • Excellent after-sale service with 1-year product support.
  • Timely delivery for both stock items and customized orders.
Galvanized Steel Pipe
Steel Pipe Quality
Q

Quality Control & Service

Before shipping, our professional inspectors check: Diameter, Thickness, Length, Chemical Composition, Mechanical Properties, and Zinc Coating. A Mill Test Certificate (MTC) is supplied with full information. We also support third-party inspections such as SGS and BV.

Individual Service

We provide customized branding, printing logos or words on pipes, and special packaging solutions such as nesting small diameter pipes inside larger ones to save space.

Production Line
Quality Inspection
P

Package & Delivery

Packaging Detail 1
Packaging Detail 2
Loading Container
  • Small OD: Packed by steel strips in bundles.
  • Big OD: Shipped in bulk.
  • Protection: Plastic caps and woven cloth available.
  • Container Loading: 20FT (max 5.8m, 27 tons) or 40FT (max 11.8m, 27 tons).
?

Frequently Asked Questions

How many days can you deliver after confirmed the order?
For stock items, we ship within 5-7 days. For common customized sizes, delivery is within 30 days. Special sizes require negotiation.
What are your standard payment terms?
We typically accept 30% TT as deposit with 70% balance against the copy of BL, or 100% LC at sight (45 or 60 days LC).
What is the product warranty period?
We offer a 1-year warranty from the date of receipt. If quality issues are confirmed, we provide replacement pipes or reasonable compensation.
Do you accept trial orders?
Yes, we welcome trial orders to demonstrate our product quality and service before establishing long-term cooperation.
Can we visit your production facilities?
You are very welcome to visit. It is a great opportunity to communicate directly and exchange market information.
What standards do your steel tubes comply with?
Our products comply with various international standards including DIN, BS, EN, ASTM, JIS, and GB.

Related Products