e No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut für Normung e.V., Berlin. In case of doubt, the. Buy DIN POLYETHYLEN COATINGS OF STEEL PIPES AND FITTINGS – REQUIREMENTS AND TESTINGS from SAI Global. DIN () Polyethylene coatings on steel pipes and fittings – Requirements and testing. Be notified when this Standard is updated or amended – Add.
|Published (Last):||2 September 2016|
|PDF File Size:||15.85 Mb|
|ePub File Size:||11.97 Mb|
|Price:||Free* [*Free Regsitration Required]|
For this reason, a wetting agent test 330670 not specified in this standard. Record and document the force required to peel the strip. This data relates to the raw materials and can differ from the values for the applied coating.
They shall be compatible with polyethylene coating which has been applied. The presence of defects is indicated by the sound of the spark or by a signal generated by the testing equipment.
The present standard specifies requirements for coatings that are applied to longitudinally or spirally welded or seamless steel pipes and fittings used for the construction of pipelines for conveying liquids or gases.
Pre Galvanized Steel Pipe. The face of the 3070 used is part of a hemispherical head with a diameter of 25 mm.
Usage For drinking water etc.
After it has cooled, the appearance and continuity of the coating system shall be visually assessed dni the entire pipe length. Epoxy layer will not shift at the stages of levelling and shrinking during sleeve mounting.
The peak occurring further along the curve characterises the uncured portion of the material. Add to Alert PDF. The distance between two impacts should be at least 30 mm. How to know the Quality Guarantee: Tubing and Casing Coupling. You can ensure product safety by selecting from certified suppliers, including 31 with ISO, 14 with Other, and 4 with ISO certification.
NOTE Using a suitable cutting tool, cut out and then remove a square area of the coating the size of the sealed cylinder. For the purposes of measurement, the positive pole of the direct current source shall be connected to the steel substrate and the negative pole shall be connected to the counter electrode. Polyethylene coatings of steel pipes adn fittings. In each case three measurements shall be taken.
How long is your delivery time9 A: A check of the effectiveness of stabilizing agents by controlling the MRF before and after extrusion has now been specified. For dated references, only the edition cited applies. Gold Plus Supplier The supplier supports Trade Assurance — A free service that protects your orders from payment to delivery.
For three-layer coatings, the epoxy resin and adhesive layers at the pipe ends shall be removed to at least 80 mm from the welding bevel.
Three layer polyethylene / Anticorrosive coatings / Offer / Izostal S.A.
The option of agreeing on design temperatures for different types of coating, and of agreeing on a special, greater coating thickness have been maintained here.
Geosynthetics Composite materials Insulation 3060 Engineering. Ageing is evaluated by assessing the changes in the polyethylene through the variation in 36070 melt flow rate MFR. GTS-PE can also be delivered in bulk rolls.
The surface should be cleaned by sand blasting. Previous editions DIN System testing is to be carried out every three years on each coating composition and for each coating method. This standard is not included in any packages.
Today, findings confirm that the testing of new materials exposed to wetting agents at high temperatures does not have any significance as regards ageing-related stress cracking behaviour. Generally it is days if the goods are in stock.
Need more than one copy? This also applies for single-layer sintered polyethylene coatings. The sample shall not have any PE adhesive residues. Please first log in with a verified email before subscribing to alerts. Technical standard of polythelene coating for buried steel pipeling.
For system testing, evaluations should be based on a continuously recorded force-time diagram. Categories coated steel pipe. Minimum layer thicknesses are given in Table 3 below. Low heating temperature allows effectively xin induction heaters or propane burners. For undated references, the latest edition of the referenced document including any amendments applies. For maximum protection against corrosion it is possible to apply Canusa epoxy base coat by even layer not less than microns 6 mils thick.
Heat-shrinkable sleeve “CANUSA GTS-PE 3L”
The use of steel ropes, slings or any other equipment which could damage the coating or pipe ends is prohibited. After abrasive cleaning 300670 quality of the pipe surface shall be visually checked. The gap between the container and pipe shall be closed with a suitable sealant.
MFR measurements shall be carried out in accordance with Annex G on the samples before initial value and after every h of ageing.
The total mass shall be 2,5 kg. Please consult your local Canusa representative to discuss your project needs. For extruded coatings a differentiation is made between sleeve extrusion and sheet extrusion.
Other requirements may be agreed upon request and at the time of ordering.