Competence centre for pipes. Steel pipes, precision steel pipes and structural hollow sections for steel construction.

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1 Competence centre for pipes. Steel pipes, precision steel pipes and structural hollow sections for steel construction.

2 Precision pipes in the highest quality Interfer Rohrunion and Interfer Präzisrohr are the ultimate specialists for steel and precision steel pipes within the Knauf Interfer Group. Together, we have access to an extensive portfolio, a well-stocked inventory and efficient logistics. We guarantee our customers the finest tolerances and the highest quality, in collaboration with the most important institutions and facilities. For many years, we have worked with various testing associations, such as LR, DNV GL, ABS, BV and TÜV. We can also provide all of the common testing methods directly on-site in our own testing laboratory. We offer you our support, from the moment you place your order through to final inspection, and in cooperation with the testing associations named above can ensure certification of your products within just a few days. We complete certifications on the basis of the delivery specifications. On request, we also offer additional services in cooperation with other testing institutes. Our locations are certified according to OHSAS 18001, ISO 9001 and EN Visit our website to see an overview of our current certifications at 2

3 Testing method according to standard Tensile test DIN EN ISO Notched-bar impact test DIN EN ISO Bending test DIN EN ISO 8491 Flattening test on tubes DIN EN ISO 8492 Expansion test on tubes DIN EN ISO 8493 Flanging test on tubes DIN EN ISO 8494 Ring expanding test on tubes DIN EN ISO 8495 Brinell hardness test DIN EN ISO Vickers hardness test DIN EN ISO Rockwell hardness test DIN EN ISO Weld bead bend test SEP 1390 Ultrasonic tests SEP 1915/18/19 EN /7/14 DIN EN ISO /10 Other testing methods and services: Ultrasonic wall thickness measurement Positive material identification Material analysis Product analysis Metallographic microsections Wall thickness measurements by means of outer/ inner diameter tests Grid measurement Hardness tests and hardening progression curves incl. completion of macrosections 3

4 A comprehensive portfolio with high availability The competence centre for pipes offers a broad variety of steel and precision steel pipes which are always available in a range of grades and sizes stored in over 80,000 m 2 of warehouse space at our central distribution centres in Voerde and Düsseldorf. Thanks to our extensive processing capabilities, we can also provide short-term, customised products for any conceivable requirement. From our production facilities or via our sales offices in Bremen and Schwaig near Nuremberg, as well as our international subsidiaries, we supply customers throughout Europe with pipes precisely designed to meet their requirements reliably and on time. This is made possible through our modern and efficient warehouse logistics systems, as well as our extensive steel processing system. 4

5 At home in many industries The Signal Iduna Park in Dortmund is just one example of the architectural possibilities created by the use of our pipes. Protected by special coatings, they are capable of withstanding the elements. In the offshore sector, our products are exposed to extreme loads. Only the highest quality materials can be used in this environment. Our pipes are used in a wide range of applications: Tubes for pipelines (gas, water, oil and solids) Steel construction Plant and machinery for agriculture Hydraulic steelwork Crane construction Smokestack construction Light and traffic masts Driven piles and foundation piles Machine construction Power plants and boiler construction Construction and plant engineering Process engineering Chemical and petrochemical industry Roller industry Automotive industry Hydraulics and pneumatics Construction machinery industry 5

6 Our product portfolio Steel pipes The expertise of our highly qualified staff, our modern machinery and our range of processing options let us offer our customers tailored solutions and prompt delivery. Seamless steel pipes, boiler tubing and hollow sections for steel construction are only a small part of our product range. We supply pipes in a range of materials and dimensions. Depending on your application scenario, we have the right coating or lining directly from our stock. 6

7 Precision steel pipes Our range of precision steel pipes comes in all common sizes, materials and delivery conditions and is complemented by a wide range of processing options from seamless precision steel pipes to hydraulic lines, welded cold drawn precision steel pipes to conveyor pipes. Our broad portfolio of precision steel pipes strives to meet our customers needs, and underscores our claim to be a competence centre which can achieve your requirements. 7

8 Our product portfolio in detail Precision steel pipes Standards/qualities Material Delivery conditions Seamless precision steel pipes Outside diameter Wall thicknesses Seamless precision steel pipes EN (DIN 2391) E235 (St 35) E355 (St 52) +C (BK) +N (NBK) +LC (BKW) +SR (BKS) +A (GBK) mm mm Seamless precision steel pipes for hydraulic and pneumatic pressure lines EN (DIN 2391/C-DIN 1630) E235 (St 37.4) E355 (St 52.4) +N (NBK) phosphated/ non-phosphated externally galvanised or electrolytic galvanised mm mm 4 42 mm mm Welded precision steel pipes Welded/cold drawn EN (DIN 2393) E195 (St 34-2) E235 (St 37-2) E355 (St 52-3) +C (BK), +N (NBK) +LC (BKW) +SR (BKS) +A (GBK) mm mm Welded/cold sized EN (DIN 2394) E195 (St 34-2) E235 (St 37-2) E355 (St 52-3) +CR1 (BKM) +N (NBK) +A (GBK) also with fin cut inner seam mm mm Conveyor pipes with fin cut inner seam and reduced tolerances also externally galvanised mm mm Structural hollow sections for steel construction Standards/qualities Dimensions Wall thicknesses Hot-finished EN /2 also with fin cut inner seam 40 x 40 mm to 400 x 400 mm as well as 50 x 30 mm to 500 x 300 mm mm 8

9 Steel pipes Standards/qualities Outer diameter Wall thicknesses Seamless steel pipes EN /2 EN EN , AD 2000 W4/DGRL 97/23/EG mm mm Seamless boiler pipes API 5L EN 10220, EN , AD 2000 W4/DGRL 97/23/EG, VdTÜV WB 511/2 DIN 2448/17175, AD 2000 W4/TRD 100/102 Produced according to DGRL 97/23/EG certification mm mm SAW longitudinally welded steel pipes EN EN EN / mm mm EN / ISO 3183 API 5 L SAW spirally welded steel pipes EN EN EN / mm mm EN / ISO 3183 API 5 L High-frequency longitudinally seam welded steel pipes EN EN EN EN /2 EN / mm mm EN / ISO 3183 EN / ISO 3183 API 5 L 9

10 Processing our products We can make a particularly extensive range of qualities and dimensions available within a very short amount of time. We also offer a range of processing options tailored to your production processes. Our modern machinery is tailored to your individual and demanding requirements and offers a high level of added value for your production chain. We saw, mill, fire and chamfer your pipes so that they are not only precise, but also immediately ready to be used. Our surface finishes complement our range of products. Galvanising Chrome plating Powder coating Painting Any processing steps which are not carried our by us are executed in close cooperation with selected and qualified partners. 10

11 Processing range Pipe profile cutting machine Sawing Bevelling End machining Milling Dimension range Pipe diameter mm All dimensions from our product line Brush deburring, washing and protective coating All available inner and outer bevellings Defined chamfering on the inside and/or outside Planed ends Brushed chip-free on the inside Diameter range: mm Fixed lengths: 30 3,000 mm With extremely tight length tolerances Freely programmable hole patterns, contours etc. Diameter range: mm Wall thicknesses: mm Fixed lengths: 160 1,000 mm Precision milling Mitre saw Cuts a wide range of dimensions accurate to a hundredth of a millimetre. For cold and hot-finished and high tensile strength hollow sections for steel construction, available in a range of dimensions and wall thicknesses. 11

12 Interfer Präzisrohr GmbH Schiessstr Düsseldorf Germany Phone Fax Interfer Rohrunion GmbH Am Industriepark Voerde Germany Phone Fax rohrunion@knauf-interfer.de Interfer Rohrunion GmbH Southern Sales Office Wieseneckstrasse Schwaig Germany Phone Fax rohrunion@knauf-interfer.de EN