Steel Pipe Facts
Frequently Asked Questions
FT Pipeline Systems try and supply a vast amount of comprehensive information on all their products and services. Below are just a few of the most frequently asked questions. If you cannot find the answer or information you are looking for please feel free to complete our form on the Contact Page
Q. Are FT steel water pipes suitable for Potable Water?
A. Seal coat cement lined and epoxy lined pipes are in accordance with the DWI 31 (4) (a) regulations.
Q. Is there a recorded tensile strength for FT water pipes?
A. The most common steel grades for steel water pipes are L235, L275 and L355. Yield stress and tensile strength details are:
Upper Yield Stress Tensile Strength
L235 235 N/mm² 350-480 N/mm²
L275 275 N/mm² 420-550 N/mm²
L355 355 N/mm² 500-650 N/mm²
Q. What is the outside corrosion protection?
A. 3 layer hot applied polyethylene coating to DIN 30670, consisting of fusion bonded epoxy base, fusion bonded epoxy adhesive primer and heat bonded, extruded P/E layer. Also, epoxy and urethane coatings including the 3M Skotchkote products.
Q. Which fittings are compatible with FT pipes?
A. 80mm to 300mm pipes are deliberately made to suit standard Tyton ductile iron fittings. For welded joints above 300mm, we fabricate fittings to suit your requirements.
Q. What lengths are the pipes supplied in?
A. Standard pipe lengths are 6m, 12m, and 13m lengths. However, we manufacture any pipe length to suit the client’s requirements.
Q. Is there a design life associated with FT pipes?
A. Epoxy linings have a published design life of 40-60 years. For cement mortar linings, a 50 year design life is the norm.
Q. You claim FT pipes are resistant to contaminants, please clarify?
A. Total resistance to all organic, corrosive and inorganic contamination suitable for any classification of brown field site including; Arsenic, Chromium, Lead, Mercury, Copper, Nickel, Zinc, Cyanide, Phenols, Sulphate, Hydrocarbons, Sulphide, Sulphur, Benzines, Chlorides, Propanes, Methyl Bromide, Xylene, Tricloroethene, Polyaromatics.
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