Carbon Steel ERW Square Pipe for Engineering Factory Price

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Product Description

Basic Information
Type:
Welded
Technique:
Cold Rolled, Hot Rolled
Material:
Carbon Steel
Surface:
Oiled/Painted/Galvanized
Section Shape:
Square or Rectangular
Square Size:
20mmx20mm - 500mmx500mm
Rect Tube:
10mmx20mm - 400mmx600mm
Thickness:
0.50mm - 20.0mm
Steel Grade:
Q195/Q235B, S235JR/S355, ASTM A500
Delivery Time:
10-15 Days
Capacity:
500,000 Tons/Year
Product Description
Commodity Black Steel Square / Rectangular tube hollow section
Standard EN10025, EN10219, ASTM A500, Q195, Q235, Q345
Usage Steel construction, machinery, manufacturing, shipbuilding, electricity, and more
Packing In bulk, packed by steel strips, or woven cloth with 7 slats
Carbon Steel Square Pipe
Grade C (%) Mn (%) Si (%) Yield (Mpa) Tensile (Mpa)
Q1950.06-0.120.25-0.50≤0.30≥195315-430
Q2150.09-0.150.25-0.55≤0.30≥217335-450
Q2350.12-0.200.30-0.67≤0.30≥235375-500
Q345≤0.201.00-1.60≤0.55≥345470-630
ERW Square Pipe Engineering Steel Pipe
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Professional Steel Solutions
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We have over 15 years of export experience in the steel field, mainly providing black steel pipe, galvanized steel pipe, steel coils, steel sheets, and pre-painted steel profiles.

With professional sales, purchase, quality control, and after-sales service teams, we ensure every client has a satisfied purchasing experience. Our products are widely exported to Southeast Asia, Africa, South America, Middle East, and Oceania.

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Factory Overview
Packaging & Shipping
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Frequently Asked Questions
Q1: How do you guarantee product quality?
Our raw materials are inspected before production, and the entire process is strictly controlled by the ISO quality management system. We provide MTC reports with every shipment and accept third-party inspections.
Q2: What certifications does your factory hold?
We are a 15+ years professional steel manufacturer verified by CE, ISO, and SGS. These official certificates are available for customer verification.
Q3: Do you support 24-hour service?
Yes, we provide 24-hour online service to ensure efficient support before and after the sale.
Q4: What is your policy on quality issues?
We support a 100% refund if any quality problems occur that cannot be solved through our management process.
Q5: Can I request samples before placing an order?
Yes, we can provide you with samples and accept multiple payment methods including T/T and 100% LC at sight.
Q6: What are the main applications of your steel pipes?
Our pipes are widely used in pipeline transport, boiler construction, hydraulic/automobile piping, oil/gas drilling, food/machinery industries, and general construction or decoration.

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