Tubular product fabricated without a welded seam.
Typically manufactured in a hot forming process by extrusion or drawing which can be followed by cold sizing or finishing to the desired shape, dimensions and properties.
Seamless pipe
(drawn or laminated) seamles steel pipes produced in accordance with the following European standards:
1 EN 10297/1 - Seamless steel pipes for use in general mechanical and machine building industries;
2- EN 10208/1/2 - 1999 - Seamless steel pipes for conduits for combustible fluids;
3- EN 10255 - Seamless steel pipes used in pressure, with specified characteristics at ambient temperature;
4 - EN 10216/1 - It is similar to EN10255 on certain wall thicknesses up to 165.1mm diameter - Non-pressurized welded steel pipes with specified ambient temperature characteristics;
5 - EN 10216/2 - Seamless steel pipes used for pressure purposes, with specified characteristics at high temperatures;
6- EN 10216/3 - Seamless steel pipes, fine-grained alloyed
7 - EN 10216/4 - Pressurized steel welded seamless tubes, with specified temperatures at low temperatures;
8- EN 10216/5 - Stainless steel pipes without welding;
9- EN 10305/1 - Cold-drawn laminated pipes;
10- EN 10210/1 - Steel welded seamless pipes for building.
To view the Green Stal dimensional steel welding pipe - click here.
To view chemical compositions and mechanical characteristics for weldless steel pipes - click here.
-1- EN 10297/1 - Seamless steel pipes for use in general mechanical and machine-building industries Dimensions:
External diameter: 15-711mm;
Wall Thickness: 1-100mm;
Steel grades: E235, E275, E355, E470 (20MnV6), 42CrMo4, C45E
-2- EN 10208/1/2 - 1999 - Seamless steel pipes for combustion fluids Dimensions:
External diameter: 15-812.8mm
Wall Thickness: 1-100mm;
Steel qualities: API 5L X42, X52, X60, X65, X70
ASTM A53, A106 Gr. A, B, C
EN 10208-1,2 L210GA, L245GA, L245NB, L290NB, L360NB, L415NB
-3 EN 10255 - Pressurized welding steel pipes with specified characteristics at ambient temperature External diameter: 21.3-165.1mm
Wall thickness: 2.3-5.0mm;
Steel grades: S195T
-4- EN 10216/1 - It is similar to EN10255 on certain wall thicknesses up to 165.1mm diameter - Non-seamless welding steel pipes with specified characteristics at ambient temperature
dimensions:
External diameter: 15-711mm;
Wall Thickness: 1-100mm;
Steel grades: P235TR1, P235TR2, P265TR1.
-5- EN 10216/2 - Pressurized steel welded seamless pipes, with specified characteristics at high temperatures;
dimensions:
External diameter: 15-711mm;
Wall Thickness: 1-100mm;
Steel grades: P235GH, P265GH, P355NH, 16Mo3, 13CrMo-4-5, 10CrMo9-10
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