EN 10312 Welded Stainless Steel Water Tube

EN 10312 Welded Stainless Steel Water Tube

Stainless steel water tubes and reply on their own advantages, together with double-clamps connection, single-clamp connection, ring-pressure connection, socket-welded connection, grooved connection, grooved connection, widely used in houses, school, hospitals, hotels and various of engineering buildings and a variety of water delivery projects.

About Stainless Steel Water Tubes

Yaolong Tube offer BS EN 10312 welded stainless steel tube for the conveyance of water and other aqueous liquids, primarily for water applications, stainless steel tube more and more used for drinking water because of its excellent corrosion resistance and durable feature.

Manufacturing

EN 10312 welded stainless steel tube shall be manufactured from stainless steel strip, we use automatic TIG welding type forming longitudinally welded, as welded condition, solution annealed can be offed for option.

Polishing inside and outside for sanitary applications, frequently use in convey drinking water.

Regarding weld seam, the external weld seam shall be removed, the internal weld seam can be not removed, also removed upon agreement.

Quality Control For EN10312 Water Tube

Tubes shall be be smooth and have a bright surface, free from all external and internal surface defects by visually examined.

Dimensional inspection: the tube diameter and wall thickness shall be measured.

Intergranular corrosion test shall be carried out in accordance with EN ISO 3651-1 or EN ISO 3651-2.

PMI testing should be conducted to ensure grade conforming EN 10088 – 2.

Tensile test shall be carried out in accordance with EN 10002-1, Drift expanding test with EN 10234, Flattening test EN 10233.

Eddy current test shall be carried out for EN 10246-2 for Austenitic steels and ferritic-austenitic steels.

Hydrostatic test shall be carried out at a minimum gauge pressure of 50 bar.

Pneumatic test should be conducted at a minimum pressure of 6 bar.

EN10312 Welded Tube Dimensions and Tolerances

Series 1

Outside Diameter Outside Diameter Tolerance Wall Thickness
Maximum Minimum
6 6,04 5,94 0,6
8 8,04 7,94 0,6
10 10,04 9,94 0,6
12 12,04 11,94 0,6
15 15,04 14,94 0,6
18 18,04 17,94 0,7
22 22,05 21,95 0,7
28 28,05 27,95 0,8
35 35,07 34,97 1,0
42 42,07 41,97 1,1
54 54,07 53,84 1,2
66,7 66,75 66,08 1,2
76,1 76,30 75,54 1,5
(103) 103,8 102,2 1,5
108 108,3 107,2 1,5
(128) 129,0 127,0 1,5
133 133,5 132,2 1,5
(153) 154,5 151,5 1,5
159 159,5 157,9 2,0
The Tolerance On Wall Thickness Shall Be +/– 10 %

Series 2

Outside Diameter Tolerance Wall Thickness Tolerance
12,0 +/-0,10 1,0 +/-0,10
15,0 +/-0,10 1,0 +/-0,10
18,0 +/-0,10 1,0 +/-0,10
22,0 +/-0,11 1,2 +/-0,10
28,0 +/-0,14 1,2 +/-0,10
35,0 +/-0,18 1,5 +/-0,10
42,0 +/-0,21 1,5 +/-0,10
54,0 +/-0,27 1,5 +/-0,10
64,0 +/-0,32 2,0 +/-0,15
76,1 +/-0,38 2,0 +/-0,15
88,9 +/-0,44 2,0 +/-0,15
108,0 +/-0,54 2,0 +/-0,15
133,0 +/-1,00 3,0 +/-0,30
159,0 +/-1,00 3,0 +/-0,30
219,0 1,50 3,0 +/-0,30
267,0 +/-1,50 3,0 +/-0,30

Surface Finish

・As Welded
・Annealed
・Polishing

Material and Composition

Available Steel Grades: 304, 304L, 316 and 316L

Product Delivery and Packaging

・ Bundles, outside with plastic bag
・ Small bundles in plywood case
・ Steel frame case
・ Plywood case
・ Plastic bag for single large diameter pipes
・ U bending tubes package
・ Tube ends with caps, each tube with plastic bag

Applications

EN 10312 welded stainless steel tube for the conveyance of water and other aqueous liquids, primarily for water applications, stainless steel tube more and more used for drinking water because of its excellent corrosion resistance and durable feature.

stainless-steel-water-pipe

Stainless Steel Water Tube

Water-Supply-System

Water Supply System

stainless-steel-water-pipe-connect-with-the-fittings

Stainless Steel Water Tube Connect With the Fittings

Scroll to Top