GBTL Engineering
Steel pipe guides
Short, plain answers to the questions engineers and buyers ask Gram Bangla Tubes Ltd (GBTL) most. Each guide opens with a direct answer, then a comparison table and the questions that follow.
Engineering guide
Spiral (SSAW) vs LSAW pipe: which should you specify?
Spiral (SSAW) pipe has a helical seam, is formed from coil and suits large diameter water mains, piling and structural work, 273 to 3,600 mm OD.
Read the guide → Engineering guideSteel pipe piles vs bored piles: which foundation suits your site?
Steel pipe piles are driven piles.
Read the guide → Engineering guideWhich steel pipe for water mains in Bangladesh?
For transmission mains, spiral (SSAW) pipe, 273 to 3,600 mm OD, is the usual choice, with LSAW pipe where a straight seam is specified.
Read the guide →Need pipe for a project?
Send the outside diameter, wall, length and quantity in MT to GBTL Engineering. Mill pricing and lead time come back on quote.