Gram Bangla Tubes Steel Pipe & Tube
4020t

Rectangular hollow sections (RHS)

Rectangular Tube 20x40 mm in Cold Rolled and GP

Rectangular steel tube RHS 20x40 mm, 1.0 or 1.2 mm wall, cold rolled or GP, powder coat ready for furniture frames. From 1 MT, delivered across Bangladesh.

Used in: Furniture tubing

MOQ from 1 MT

Send your sizes, quantity and delivery district. We reply with a firm price and delivery plan.

Specifications

Specifications
Size 20x40 mm
Wall thickness 1.0 and 1.2 mm
Length Confirmed on quote
Steel grade Confirmed on quote
Standards Confirmed on quote
Finish options
  • Cold rolled black
  • Pre-galvanized (GP)
Powder coating Powder coat ready after standard pretreatment
Availability Regular production
Minimum order
  • 1 MT standard sizes, 20 MT custom sizes
Used in

Weight per metre

Approximate, corner radius ignored. Calculated from nominal size and wall thickness. Order weight is confirmed on quote.

Approximate weight per metre by wall thickness
Wall (mm) kg per metre Metres per MT
1.0 0.91 1,099
1.2 1.09 917

Formula: kg/m = 0.0157 x t x (A + B - 2t), all dimensions in mm.

About Rectangular Tube 20x40 mm

RHS 20x40 mm is a rectangular steel tube made by Gram Bangla Tubes Ltd. (GBTL) for furniture frames in Bangladesh. It comes in 1.0 mm wall, about 19 SWG, and 1.2 mm wall, about 18 SWG. The finish is cold rolled black or pre-galvanized (GP), chosen per order.

The 20x40 mm section can be used for frame members such as table aprons, desk frames and bed rails. It is powder coat ready after standard pretreatment. Standard orders start at 1 MT, mixed across furniture sizes. Tell GBTL your cut lengths, and the tube is cut and deburred to suit. Custom rectangular sizes need a full coil run of 20 MT.

All rectangular hollow sections (RHS) →

Questions about Rectangular Tube 20x40 mm

Which wall thickness should I choose for 20x40 rectangular tube?

As a general guide for RHS 20x40 mm, choose the 1.2 mm wall (about 18 SWG) for load bearing frames. Choose the 1.0 mm wall (about 19 SWG) for lighter frames and trim. GBTL makes both RHS 20x40 mm walls in cold rolled black or pre-galvanized (GP) finish.

Related products

Request a quote

Request a quote for Rectangular Tube 20x40 mm

Send the sizes, quantity and delivery district on WhatsApp or by phone. The GBTL sales team replies with a firm price and delivery plan.

  • Quantities in MT or pieces.
  • Delivery to your site anywhere in Bangladesh, by district.
  • Mill test certificates on request.

Prefer to talk? Call +88 01907 084 261, Saturday to Thursday, 9:00 to 18:00.

Send your request on WhatsApp

The message below is filled in for you. Add the quantity and your delivery district, then send.

Hi GBTL, quote request for Rectangular Tube 20x40 mm Cold Rolled and GP, quantity ____ MT, delivery to ____.

Or email info@grambanglatube.com with the sizes, quantity and delivery district.