Versatile Usage Pre Cut Length Steel Rectangular Tube for Window Door and Curtain Wall Frame System

Still deciding? Get samples of $ !
Request Sample

Product Description

Basic Info

TypeWelded
TechniqueCold/Hot Rolled
MaterialCarbon Steel
SurfaceOiled/Painted/Galvanized
ShapeSquare/Rectangular
Wall Thickness0.50mm - 20.0mm
Steel GradeQ195/Q235B, S235jr/S355
OriginChina

Product Description

Technical Specifications
CommodityBlack Steel Square / Rectangular tube hollow section
Square pipe Size20x20--500x500mm
Rectangular Pipe size20x40--400x600mm
Length5.8m/6m or based on request
StandardEN10025, EN10219, ASTM A500, Q195, Q235, Q345
UsageSteel construction, machinery, manufacturing, shipbuilding, electricity
Payment TermsT/T or L/C at sight
Steel Rectangular Tube

Chemical Composition & Mechanical Properties

Grade C Mn Si Yield Strength (Mpa) Tensile Strength (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

Available Dimensions

Pipe Dimension 1
Pipe Dimension 2

Hot Products Display

Hot Product 1
Hot Product 2
Hot Product 3

Professional Capability

We have over 15 years of export experience in the steel field. Our primary focus is on black steel pipe, galvanized steel pipe, steel coils, steel sheets, and pre-painted steel profiles.

Our dedicated teams in sales, purchasing, quality control, and after-sales service ensure every client receives a satisfactory purchasing experience. Our steel products are widely exported to Southeast Asia, Africa, South America, Middle East, and Oceania.

Factory Overview 1
Factory Overview 2
Production Line

Packaging & Shipping

  • Big OD: In bulk
  • Small OD: Packed by steel strips
  • Woven cloth with 7 slats packaging options
  • Shipment by bulk carrier or 20ft/40ft containers
Packaging Detail 1
Packaging Detail 2

Frequently Asked Questions

Q1: How do you guarantee the quality of your steel pipes? A: Our production process is strictly controlled by ISO quality management systems. Raw materials are inspected before production, MTC reports are provided with shipment, and third-party inspections are fully acceptable.
Q2: What are the available sizes for square and rectangular tubes? A: Square pipes range from 20x20mm to 500x500mm. Rectangular tubes range from 10x20mm to 400x600mm, with wall thicknesses from 0.5mm to 20mm.
Q3: What is the typical delivery time for an order? A: Standard delivery is usually within 10-20 days, depending on the specific size and quantity requirements of the order.
Q4: Which steel grades can you provide? A: we supply various grades including Q195, Q235B, S235jr, S355, ASTM A500, and Stk400/Stk500 to meet different international standards.
Q5: What payment methods do you accept? A: We primarily accept T/T (Telegraphic Transfer) or 100% L/C (Letter of Credit) at sight.
Q6: Do you provide samples for quality testing? A: Yes, we can provide samples for your evaluation. Please contact our service team for specific details regarding sample arrangements.

Related Products