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EN 10312

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

Specification

Standard	EN 10312
Welding Type	TIG Welding
Grades	1.4301, 1.4307, 1.4404, 1.4571, 1.4432 Etc.
Finishing	As Welded, Annealed, Polishing
Outside Diameter	6 – 267 Mm
Thickness	0.6 – 3 Mm

EN10312 Welded Tube Dimensions And Tolerances

Series 1

Outside Diameter	Outside Diameter Tolerance		Wall Thickness
Outside Diameter	Maximum	Minimum	Wall Thickness
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