Hot Rolled Forged ASTM A554 SS304 316 Square Hollow Bar Stainless Steel Pipe
Stainless steel tube is 3 times stronger than steel pipe and 8-10 times stronger than plastic pipe,
which is not easy to leak. Stainless steel pipes are also resistant to damage in earthquakes
because they are impact resistant.
|
ASTM / ASME Specification
|
ASTM A554 / ASME SA554
|
|
SS Grades
|
202, 304, 304L, 304H, 316 / 316L, 316H, 316Ti, 321 / 321H, 310S, 409, 409L, Duplex & Super Duplex
|
|
Specialized grades
|
T304, T316 & Grade T430
|
|
Standard Size
|
20*20mm-400*400mm
|
|
Wall Thickness
|
0.5mm - 25mm
|
|
Manufacturing techniques
|
Seamless / ERW / Welded / Fabricated / CDW / EFW
|
|
Length
|
Up to 6 meters or custom length
|
|
Finish & Polish
|
2B, No.1 Pickled, No.4, BA, No.8 Mirror Finish, Electro-polished SS Square Pipe Manufacturer and Supplier
|
|
Pipe End
|
Plain End, Beveled End, square cut
|
|
Condition
|
Annealed and Pickled, Bright Annealed, Polished
|
|
Quality
|
accept the thired party inspection SGS or others as customer requested
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Stainless Steel Square Hollow Section sizes :
|
Size (mm)
|
Thick
ness (mm)
|
Kg / Metre
|
Size (mm)
|
Thick
ness (mm)
|
Kg / Metre
|
Size (mm)
|
Thick
ness (mm)
|
Kg / Metre
|
Size (mm)
|
Thick
ness (mm)
|
Kg / Metre
|
Size (mm)
|
Thick
ness (mm)
|
Kg / Metre
|
Size (mm)
|
Thick
ness (mm)
|
Kg / Metre
|
|
20 X 20
|
2
|
1.11
|
60 X 60
|
3
|
5.34
|
80 X 80
|
8
|
17.83
|
120 X 120
|
5
|
18.00
|
160 X 160
|
10
|
46.88
|
250 X 250
|
16
|
111.48
|
|
25 X 25
|
2
|
1.43
|
60 X 60
|
3.2
|
5.67
|
80 X 80
|
10
|
21.88
|
120 X 120
|
6
|
21.30
|
180 X 180
|
5
|
27.97
|
300 X 300
|
6
|
55.30
|
|
25 X 25
|
2.5
|
1.74
|
60 X 60
|
3.6
|
6.34
|
90 X 90
|
3
|
8.16
|
120 X 120
|
6.3
|
22.30
|
180 X 180
|
6
|
33.26
|
300 X 300
|
8
|
74.18
|
|
25 X 25
|
3
|
2.04
|
60 X 60
|
4
|
6.97
|
90 X 90
|
3.5
|
9.45
|
120 X 120
|
8
|
27.90
|
180 X 180
|
8
|
43.00
|
300 X 300
|
10
|
90.70
|
|
30 X 30
|
2
|
1.74
|
60 X 60
|
5
|
8.54
|
90 X 90
|
3.6
|
9.72
|
120 X 120
|
10
|
34.13
|
180 X 180
|
10
|
53.00
|
300 X 300
|
12
|
108.68
|
|
30 X 30
|
2.5
|
2.14
|
70 X 70
|
2.5
|
5.28
|
90 X 90
|
4
|
10.70
|
120 X 120
|
12
|
39.94
|
180 X 180
|
12
|
61.01
|
300 X 300
|
12.5
|
112.00
|
|
30 X 30
|
3
|
2.51
|
70 X 70
|
3
|
6.28
|
90 X 90
|
5
|
13.30
|
120 X 120
|
16
|
54.64
|
180 X 180
|
12.5
|
65.20
|
300 X 300
|
16
|
141.84
|
|
30 X 30
|
3.2
|
2.65
|
70 X 70
|
3.5
|
7.25
|
90 X 90
|
6
|
15.70
|
140 X 140
|
6
|
25.97
|
180 X 180
|
16
|
81.30
|
350 X 350
|
10
|
105.93
|
|
40 X 40
|
2
|
2.37
|
70 X 70
|
3.6
|
7.46
|
90 X 90
|
6.3
|
16.40
|
140 X 140
|
8
|
32.89
|
200 X 200
|
5
|
31.18
|
350 X 350
|
12
|
126.74
|
|
40 X 40
|
2.5
|
2.92
|
70 X 70
|
4
|
8.23
|
90 X 90
|
8
|
20.32
|
140 X 140
|
10
|
41.15
|
200 X 200
|
6
|
37.09
|
350 X 350
|
16
|
166.94
|
|
40 X 40
|
3
|
3.45
|
70 X 70
|
5
|
10.10
|
90 X 90
|
10
|
25.53
|
150 X 150
|
4
|
18.30
|
200 X 200
|
8
|
48.00
|
400 X 400
|
8
|
97.56
|
|
40 X 40
|
4
|
4.46
|
70 X 70
|
8
|
15.29
|
100 X 100
|
3
|
9.10
|
150 X 150
|
5
|
22.70
|
200 X 200
|
10
|
59.30
|
400 X 400
|
10
|
121.95
|
|
40 X 40
|
5
|
5.40
|
70 X 70
|
10
|
19.13
|
100 X 100
|
4
|
12.00
|
150 X 150
|
6
|
27.00
|
200 X 200
|
12
|
68.84
|
400 X 400
|
12
|
151.97
|
|
50 X 50
|
2
|
3.00
|
80 X 80
|
3
|
7.22
|
100 X 100
|
5
|
14.80
|
150 X 150
|
6.3
|
28.30
|
200 X 200
|
12.5
|
73.00
|
400 X 400
|
16
|
191.94
|
|
50 X 50
|
2.5
|
3.71
|
80 X 80
|
3.5
|
8.35
|
100 X 100
|
6
|
17.60
|
150 X 150
|
8
|
35.40
|
200 X 200
|
16
|
90.91
|
|
|
|
|
50 X 50
|
3
|
4.39
|
80 X 80
|
3.6
|
8.59
|
100 X 100
|
6.3
|
18.40
|
150 X 150
|
10
|
43.47
|
250 X 250
|
6
|
46.83
|
|
|
|
|
50 X 50
|
4
|
5.72
|
80 X 80
|
4
|
9.48
|
100 X 100
|
8
|
22.90
|
150 X 150
|
12
|
53.48
|
250 X 250
|
8
|
60.50
|
|
|
|
|
50 X 50
|
5
|
6.97
|
80 X 80
|
5
|
11.70
|
100 X 100
|
10
|
27.86
|
150 X 150
|
16
|
65.05
|
250 X 250
|
10
|
75.00
|
|
|
|
|
50 X 50
|
6
|
8.20
|
80 X 80
|
6
|
13.80
|
100 X 100
|
12
|
33.44
|
160 X 160
|
6
|
27.39
|
250 X 250
|
12
|
88.45
|
|
|
|
|
50 X 50
|
8
|
10.50
|
80 X 80
|
6.3
|
14.40
|
120 X 120
|
4
|
14.50
|
160 X 160
|
8
|
36.90
|
250 X 250
|
12.5
|
92.70
|
|
|
|
Chemical Composition :
|
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
|
201
|
≤0 .15
|
≤0 .75
|
5. 5-7. 5
|
≤0.06
|
≤ 0.03
|
3.5 -5.5
|
16 .0 -18.0
|
-
|
|
202
|
≤0 .15
|
≤l.0
|
7.5-10.0
|
≤0.06
|
≤ 0.03
|
4.0-6.0
|
17.0-19.0
|
-
|
|
301
|
≤0 .15
|
≤l.0
|
≤2.0
|
≤0.045
|
≤ 0.03
|
6.0-8.0
|
16.0-18.0
|
-
|
|
302
|
≤0 .15
|
≤1.0
|
≤2.0
|
≤0.035
|
≤ 0.03
|
8.0-10.0
|
17.0-19.0
|
-
|
|
304
|
≤0 .0.08
|
≤1.0
|
≤2.0
|
≤0.045
|
≤ 0.03
|
8.0-10.5
|
18.0-20.0
|
-
|
|
304L
|
≤0.03
|
≤1.0
|
≤2.0
|
≤0.035
|
≤ 0.03
|
9.0-13.0
|
18.0-20.0
|
-
|
|
309S
|
≤0.08
|
≤1.0
|
≤2.0
|
≤0.045
|
≤ 0.03
|
12.0-15.0
|
22.0-24.0
|
-
|
|
310S
|
≤0.08
|
≤1.5
|
≤2.0
|
≤0.035
|
≤ 0.03
|
19.0-22.0
|
24.0-26.0
|
|
|
316
|
≤0.08
|
≤1.0
|
≤2.0
|
≤0.045
|
≤ 0.03
|
10.0-14.0
|
16.0-18.0
|
2.0-3.0
|
|
316L
|
≤0 .03
|
≤1.0
|
≤2.0
|
≤0.045
|
≤ 0.03
|
12.0 - 15.0
|
16 .0 -1 8.0
|
2.0 -3.0
|
|
321
|
≤ 0 .08
|
≤1.0
|
≤2.0
|
≤0.035
|
≤ 0.03
|
9.0 - 13 .0
|
17.0 -1 9.0
|
-
|
|
630
|
≤ 0 .07
|
≤1.0
|
≤1.0
|
≤0.035
|
≤ 0.03
|
3.0-5.0
|
15.5-17.5
|
-
|
|
631
|
≤0.09
|
≤1.0
|
≤1.0
|
≤0.030
|
≤0.035
|
6.50-7.75
|
16.0-18.0
|
-
|
|
904L
|
≤ 2 .0
|
≤0.045
|
≤1.0
|
≤0.035
|
-
|
23.0·28.0
|
19.0-23.0
|
4.0-5.0
|
|
2205
|
≤0.03
|
≤1.0
|
≤2.0
|
≤0.030
|
≤0.02
|
4.5-6.5
|
22.0-23.0
|
3.0-3.5
|
|
2507
|
≤0.03
|
≤0.8
|
≤1.2
|
≤0.035
|
≤0.02
|
6.0-8.0
|
24.0-26.0
|
3.0-5.0
|
|
2520
|
≤0.08
|
≤1.5
|
≤2.0
|
≤0.045
|
≤ 0.03
|
0.19 -0. 22
|
0. 24 -0 . 26
|
-
|
|
410
|
≤0.15
|
≤1.0
|
≤1.0
|
≤0.035
|
≤ 0.03
|
-
|
11.5-13.5
|
-
|
|
430
|
≤0.1 2
|
≤0.75
|
≤1.0
|
≤ 0.040
|
≤ 0.03
|
≤0.60
|
16.0 -18.0
|
-
|
Product Application :
1. Chemical industry: Equipment, industrial tanks and etc.
2. Medical instruments: Surgical instruments, surgical implants and etc.
3. Architectural purpose: Cladding, handrails, elevator, escalators,door and window fittings, street furniture, structural sections, enforcement bar, lighting columns, lintels, masonry supports, interior exterior decoration for building, milk or food processing facilities and etc.
4. Transportation: Exhaust system, car trim/grilles, road tankers, ship containers,refuse vehicles and etc.
5. Kitchen Ware: Tableware, kitchen utensil, kitchen ware, kitchen wall, food trucks, freezers and etc.
6. Oil and Gas: Platform accommodation, cable trays, sub-sea pipelines and etc.
7. Food and Drink: Catering equipment, brewing, distilling, food processing and etc.
8. Water: Water and sewage treatment, water tubing, hot water tanks and etc.
FAQ:
Q1. What are your company's main products?
A1: Our main products include: Stainless Steel Sheet, Stainless Steel Plate, Stainless Steel Coil, Stainless Steel Pipe, Stainless Steel Bar, etc.
Q2. How do you control quality?
A2: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO, SGS, Alibaba Verified.
Q3. What are the advantages of your company?
A3: We have specialized in the steel business for years, so we have mature production technology, stable capacity, more competitive prices,
we are dedicated to strict quality control and thoughtful customer service.
Q4. Can you provide a sample?
A4: We can provide the same samples in stock for free, as long as you contact us.
About us:
Wuxi Wilke Metal Materials Co., Ltd. is a leading supplier of high-quality stainless steel materials. Established in 2012 in Wuxi, China, the company has quickly become a reputable and reliable supplier of metal materials to customers around the world.
At Wuxi Wilke Metal Materials Co., Ltd., we pride ourselves on providing superior quality products that meet international standards. Our products are sourced from reputable manufacturers who have a proven track record of delivering high-quality materials. We have established long-term relationships with these manufacturers, which enables us to offer our customers competitive prices and consistent product quality.
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