Product Details

factory bottom price China Ningbo Supplier NO.1 duplex Stainless Steel tube

Stainless Steel Tubes & Pipes are divided into square and round types with different finishing.
Stainless Steel Round Welded Tube: 180 grit, 320 grit, 400 grit, 600 grit & Mill finish
Stainless Steel Square Welded Tube: 180 grit , 400 grit & Mill finish
Stainless Steel type: 304, 304H, 304L, 309, 310, 316, 316L, 317L, 321, 321H, 347, 347H, 410, 446, 2205 DUPLEX, 254SMO, AL6XN
Int'l standard: ASTM A554, JIS G3446, CNS5802

Wire will be made according to client’s demand. Please refer to the basic information as follows.
Special requirement is negotiable.
Diameter: 0.1mm ~ 9.0mm
Hardness: 0.1mm
Standard Tolerance:0.01mm.
Stainless Steel Tubes & Pipes Surface/ Finish: gold, powder
Stainless Steel Tubes & Pipes Type: 304, 304H, 304L, 309, 310, 316, 316L, 317L, 321, 321H, 347, 347H, 410, 446, 2205 DUPLEX, 254SMO, AL6XN
Application: free cutting, improved machine ability, heading, refractory, general use

Stock List

Stainless Steel Tube and Pipe

We can supply stainless steel tubing (seamless and welded) and pipe in type 304, 304H, 304L, 309, 310, 316, 316L, 317L, 321, 321H, 347, 347H, 410, 446, 2205 DUPLEX, 254SMO, AL6XN from the stock sizes below or call for non-stock items. All stainless stock can be delivered mirror polished if required, contact us .

DUPLEX 2205 STAINLESS STEEL PIPE

Dual-phase, 45% ferritic and 55% austenitic stainless steel
Good strength, toughness and corrosion resistance
Resists chloride stress corrosion cracking

Stainless Steel Seamless Tube and Pipe

Seamless Pipe ASTM 304L (Also in 312)

NPS/NB (inches)	SCH 10S	SCH 40S	SCH 80S
1/4	-	X	X
3/8	X	X	X
1/2	X	X	X
3/4	-	X	X
1	X	X	X
1 1/4	-	X	X
1 1/2	X	X	X
2	X	X	X
2 1/2	X	X	-
3	X	X	X
4	X	X	X
6	X	X	X
8	-	X	X

Seamless Pipe ASTM A312, 316L

NPS/NB (inches)	SCH 10S	SCH 40S	SCH 80S	SCH160
1/8	X	X	-	-
1/4	X	X	X	-
3/8	X	X	X	-
1/2	X	X	X	X
3/4	X	X	X	X
1	X	X	X	X
1 1/4	-	-	X	-
1 1/2	X	X	X	X
2	X	X	X	X
2 1/2	X	X	X	-
3	X	X	X	X
3 1/2	X	X	-	-
4	X	X	X	-
5	-	X	-	-
6	X	X	X	-
8	X	X	X	-

stainless Steel Seamless Tube Type 304L

Metric		Imperial
O/D	Wall	O/D	Wall	O/D	Wall
(mm)	(mm)	(in)	(swg)	(in)	(swg)
6	1.0	1/8	25	5/8	20
8	1.0	3/16	22	5/8	18
10	1.0	1/4	20	5/8	16
10	2.0	1/4	18	3/4	20
12	1.0	1/4	16	3/4	18
15	1.0	5/16	20	3/4	16
15	1.5	3/8	20	7/8	18
15	2.0	3/8	18	1	18
18	1.5	3/8	16	1 1/4	18
25	1.5	1/2	18	2	16
50	2.0	1/2	16

Type 316L Seamless Tube (metric)

O/D	Wall	O/D	Wall	O/D	Wall
(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
6	0.5	14	1.5	25	1.5
6	1.0	14	2.0	25	2.0
6	1.5	15	1.0	25	2.5
8	1.0	15	1.5	25	3.0
8	1.5	15	2.0	30	1.5
10	1.0	16	1.5	30	2.0
10	1.5	16	2.0	30	3.0
10	2.0	18	1.5	38	3.0
12	1.0	20	1.5	38	4.0
12	1.5	20	2.0
12	2.0	22	1.5

316L Seamless Tube ASTM A269

O/D	Wall	O/D	Wall	O/D	Wall
(in)	(swg)	(in)	(swg)	(in)	(swg)
1/8	24	1/2	1/8 Inch	1 1/4	18
1/8	22	5/8	20	1 1/4	16
1/8	20	5/8	1818	1 1/4	14
3/61	24	5/8	16	1 1/4	1/8 inch
3/16	22	5/8	14	1 3/8	16
3/16	20	5/8	1/8 inch	1 1/2	16
3/16	18	3/4	20	1 1/2	14
1/4	22	3/4	18	1 1/2	1/4 inch
1/4	20	3/4	16	1 1/2	1/8 inch
1/4	18	3/4	14	1 3/4	16
1/4	16	3/4	12	1 3/4	1/8 inch
5/16	22	3/4	1/8 inch	2	16
5/16	20	3/4	3/16	2	14
5/16	18	7/8	18	2	1/8 inch
5/16	16	7/8	16	2	1/4 inch
3/8	22	7/8	14	2 1/4	16
3/8	20	7/8	1/8 inch	2 1/4	10
3/8	16	1	20	2 1/4	1/4 inch
3/8	14	1	18	2 1/2	16
3/8	1/8 Inch	1	16	2 1/2	1/8 inch
7/16	20	1	14	2 1/2	1/4 inch
1/2	22	1	12	3	16
1/2	20	1	10	3	14
1/2	18	1	3/16 inch	3	10
1/2	16	1	1/4 inch	3	1/4 inch
1/2	14	1 1/8	16	4	1/4 inch

Stainless Steel Tube - Round

Stainless Steel tube - Round - 304 Welded Mirror Polished

O/D	Wall	Weight per	O/D	Wall	Weight per
(ins)	(mm)	metre (kg)	(ins)	(mm)	metre (kg)
1/2	1.50	0.42	1 1/4	1.50	1.13
5/8	1.20	0.44	1 3/8	1.20	1.02
5/8	1.50	0.54	1 1/2	1.20	1.11
3/4	1.20	0.53	1 1/2	1.50	1.38
3/4	1.50	0.66	1 1/2	2.00	1.81
3/4	1.20	0.63	1 3/4	1.50	1.62
7/8	1.50	0.78	2	1.20	1.49
7/8	2.00	1.01	2	1.50	1.85
1	1.20	0.73	2	2.00	2.40
1	1.50	0.90	2 1/2	1.50	2.34
1	2.00	1.17	3	1.50	2.81
1 1/8	1.50	1.02	4	3.00	7.41
1 1/4	1.20	0.92

Stainless Steel tube - Round- 316 Welded Mirror Polished

O/D	Wall	Weight per	O/D	Wall	Weight per
(in)	(mm)	metre (kg)	(in)	(mm)	metre (kg)
1/2	1.50	0.42	1 1/2	3.00	2.64
5/8	1.20	0.44	50mm	2.50	2.99
5/8	1.50	0.54	50mm	3.00	3.55
3/4	1.20	0.53	2	1.20	1.49
3/4	1.50	0.66	2	1.50	1.85
7/8	1.20	0.63	2	2.00	2.40
7/8	2.00	1.01	2	3.00	7.43
1	1.20	0.73	2 1/2	1.50	2.34
1	1.50	0.90	3	1.50	2.81
1	2.00	1.17	3	3.00	5.52
1 1/4	1.50	1.13	4	3.00	7.42
1 1/2	1.50	1.38

Type 304 and 316 Handrail Section, welded, unannealed (dull polished)

O/D	Wall	Weight per	O/D	Wall	Weight per
(mm)	(mm)	metre (kg)	(in)	(mm)	metre (kg)
42.40	x 2.5	2.49	1 1/2	3.00	2.62
48.30	x 2.5	2.86	2	3.00	3.57
60.30	x 2.5	3.61	3	3.00	5.47
			4	3.00	7.38

Stainless Steel Tube - Square

Stainless Steel tube - Square - 304 Welded Dull Polished

Dimensions	Wall	Weight per	Dimensions	Wall	Weight per
(mm)	(mm)	metre (kg)	(mm)	(mm)	metre (kg)
12.7 x 12.7	1.20	0.44	40 x40	1.20	1.49
12.7 x 12.7	1.50	0.55	40 x40	1.50	1.85
15 x 15	1.20	0.53	40 x40	2.00	2.45
15 x 15	1.50	0.65	40 x40	3.00	3.75
20 x 20	1.20	0.71	50 x50	1.50	2.32
20 x 20	1.50	0.88	50 x50	2.00	3.08
20 x 20	2.00	1.19	50 x50	3.00	4.65
25 x 25	1.20	0.92	60 x60	2.00	3.71
25 x 25	1.50	1.14	60 x60	3.00	5.49
25 x 25	2.00	1.49	70 x70	3.00	6.53
25 x 25	3.00	2.20	80 x80	2.00	4.98
30 x 30	1.20	1.10	80 x80	3.00	7.53
30 x 30	1.50	1.37	100 x 100	2.00	6.40
30 x 30	2.00	1.84	100 x 100	3.00	9.53
30 x 30	3.00	2.72

Stainless Steel tube - Square - 304 Welded unpolished

Dimensions (mm)	Wall (mm)	Weight per metre (kg)	Dimensions (mm)	Wall (mm)	Weight per metre (kg)
12.7 x 12.7	1.20	0.44	120 x 120	5.00	18.66
12.7 x 12.7	1.50	0.55	120 x 120	6.00	21.20
40 x 40	4.00	4.80	150 x 150	4.00	18.60
50 x 50	4.00	5.96	150 x 150	5.00	23.00
50 x 50	5.00	7.41	150 x 150	6.00	31.20
60 x 60	4.00	7.22	150 x 150	8.00	34.30
60 x 60	5.00	8.90	150 x 150	10.00	41.65
80 x 80	4.00	9.82	200 x 200	5.00	30.80
80 x 80	5.00	12.39	200 x 200	6.00	36.90
100 x 100	4.00	12.40	200 x 200	8.00	47.25
100 x 100	5.00	15.38	200 x 200	10.00	57.60
100 x 100	6.00	17.50	250 x 250	8.00	59.90
100 x 100	8.00	21.60	250 x 250	10.00	73.50

Stainless Steel tube - Square 316 tube Welded dull polished

Dimensions (mm)	Wall (mm)	Weight per metre (kg)	Dimensions (mm)	Wall (mm)	Weight per metre (kg)
20 x20	1.50	0.88	40 x 40	3.00	3.75
20 x20	2.00	1.19	50 x 50	2.00	3.08
25 x25	1.20	0.92	50 x 50	3.00	4.65
25 x25	1.50	1.14	60 x 60	3.00	5.49
30 x30	2.00	1.84	80 x 80	2.00	4.98
30 x30	3.00	2.72	80 x 80	3.00	7.53
40 x40	1.50	1.85	100x100	3.00	9.53
40 x40	2.00	2.45	100 x 100	5.00	15.30

Stainless Steel tube - Square - 316 tube Welded unpolished

Dimensions(mm)	Wall (mm)	Weight per metre (kg)	Dimensions(mm)	Wall (mm)	Weight per metre (kg)
30 x30	3.00	2.72	120 x120	4.00	15.03
40 x40	3.00	3.75	120 x120	5.00	18.66
50 x50	3.00	4.65	120 x120	6.00	21.20
50 x50	4.00	5.96	150 x150	4.00	18.64
60 x60	3.00	5.49	150 x150	5.00	23.00
80 x80	3.00	7.53	150 x150	6.00	27.36
80 x80	4.00	9.82	200 x200	5.00	30.80
100x100	3.00	9.53	200 x200	6.00	36.90
100x100	4.00	12.40	200 x200	8.00	47.25
100x100	5.00	15.38	200 x200	10.00	57.60
100x100	6.00	17.50	250 x250	10.00	73.50
100x100	8.00	21.60

Stainless Steel Tube - Rectangular

Rectangular 304 tube welded unpolished

Dimensions (mm)	Wall (mm)	Weight per metre (kg)	Dimensions(mm)	Wall (mm)	Weight per metre (kg)
80 x 40	4.00	7.22	150 x 100	4.00	15.40
80 x 40	5.00	8.90	150 x 100	5.00	18.80
100 x 50	4.00	9.09	150 x 100	6.00	22.60
100 x 50	5.00	11.30	150 x 100	8.00	27.90
120 x 60	3.00	8.39	200 x 100	4.00	18.60
120 x 60	4.00	11.10	200 x 100	5.00	22.60
120 x 60	5.00	13.75	200 x 100	6.00	27.40
120 x 80	3.00	9.54	200 x 100	8.00	34.30
120 x 80	4.00	12.40	200 x 100	10.00	41.65
120 x 80	5.00	15.38	200 x 150	6.00	36.90
150 x 50	3.00	9.53	200 x 150	8.00	41.34
150 x 50	5.00	15.38	300 x 100	8.00	47.25
150 x 80	3.00	10.70	250 x 150	6.00	36.90
150 x 100	3.00	11.70	250 x 150	8.00	47.25

Rectangular 304 tube welded dull polished

Dimensions (mm)	Wall (mm)	Weight per metre (kg)	Dimensions (mm)	Wall (mm)	Weight per metre (kg)
20 x 10	1.50	0.44	60 x 40	2.00	3.08
30 x 10	1.20	0.71	60 x 40	3.00	4.65
30 x 10	1.50	0.90	80 x 40	1.50	2.80
30 x 15	1.50	0.76	80 x 40	2.00	3.71
30 x 20	1.50	1.14	80 x 40	3.00	5.49
40 x 15	1.50	1.25	80 x 40	4.00	7.22
40 x 20	1.20	1.10	80 x 40	5.00	8.94
40 x 20	1.50	1.37	80 x 60	3.00	6.53
40 x 20	2.00	1.84	100 x 40	1.50	3.29
50 x 25	1.20	1.41	100 x 40	3.00	6.53
50 x 25	1.50	1.75	100 x 50	2.00	4.68
50 x 25	2.00	2.31	100 x 50	3.00	6.95
50 x 25	3.00	3.75	100 x 50	4.00	9.09
50 x 30	1.50	1.85	100 x 50	5.00	11.30
50 x 30	3.00	3.61	100 x 60	3.00	7.53
60 x 20	1.50	1.85	120 x 60	3.00	8.12
60 x 20	2.00	2.45	120 x 80	3.00	9.53
60 x 30	2.00	2.80	150 x 100	3.00	11.70
60 x 30	3.00	4.13	150 x 100	5.00	18.80
60 x 40	1.50	2.32

Rectangular 316 tube welded unpolished

Dimensions (mm)	Wall (mm)	Weight per metre (kg)	Dimensions (mm)	Wall (mm)	Weight per metre (kg)
80 x 40	4.00	7.22	150 x100	8.00	27.90
80 x 40	5.00	8.90	160 x80	3.00	11.10
100 x 50	5.00	11.24	200 x100	4.00	18.60
120 x 80	3.00	9.53	200 x100	5.00	22.40
120 x 80	5.00	15.38	200 x100	8.00	34.30
150 x 100	3.00	11.66	200 x100	10.00	41.65
150 x 100	4.00	15.40	250 x150	8.00	47.25
150 x 100	5.00	18.80	300 x100	8.00	47.25
150 x 100	6.00	22.60

Applications photos