+86-0577 56666518 info@tinsi-steel.cn
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Stainless steel industrial tubes&pipes introduction form |
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Description |
stainless steel seamless tubes&pipes. outer diameter 6-426mm, wall thickness 0.9-25mm. The main standards:ASTM A312/ASTM A213/ASTM A269/etc.Seamless stainless steel tube&pipe main production process is cold drawing/cold rolling. delivery generally as annealing and pickling. We are keep about 1500 tons ready stock.Now we classify pipes into three different quality and packaging levels to provide the most suitable price and suitable quality for people in different parts of the world.Mainly used in chemical industry, boilers and other industries.Usually delivery in AP (annealing and pickling) and some is MP (AP + mechanical polishing). |
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Process Method |
Seamless cold drawn&cold rolled / Welded Pipe |
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Standard |
ASTM A312, ASTM A213, ASTM A249, ASTM A270, ASTM A269, ASTMA790, ASTM B622, ASTM B516,ASTM A789, EN10216-5, etc |
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Material Grade |
Austenitic:TP304,TP304L,TP316,TP316L,TP347,TP347H,TP321,TP321H,TP310,TP321 |
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Duplex steel:SAF2205/S31803/1.4462/F51, S32205/F60, S32760/1.4501/F55, |
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Nickel alloy:Incoloy800/800H/800HT ,Incoloy825 ,Incoloy925(N08925) , Inconel600/Inconel601/Inconel602ca, Inconel625 , HastelloyC-276/C-2000/C-22 , HastelloyB/B2/B3 ,G30 ,G35 |
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Monel：400 ,K500 |
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Outer Diameter |
Seamless Pipe: 6mm-530mm 1/8"-28" (DN5-DN500) |
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Thickness |
Seamless Pipe: 0.8mm-35mm SCH5/SCH10/SCH40/SCH80/SCH160/XXS |
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Length |
5-7Mtr of ready stock or as On-demand customization. Max about 12Mtr |
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Tolerance |
OD/ID :±0.1-2mm ; THK :±5-10% ; within standard |
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Surface |
AP(Annealed and pickling) / MP(mechanically polish) |
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Test |
Dimension,Visual Examination,PMI,UT, ET, HT, RT,etc, |
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Application |
Petroleum, Chemical, Medical Devices, Aerospace, Nuclear Power, Shipbuilding, High Pressure Boiler, Hot Delivery, Pressure Vessel, Condenser, Water Conservancy, Electric Industry |
Calculation method of steel pipe weight
M = π/1000*ρT(D-T)
Ρ=density , M = mass (weight per meter length unit) , D = outside diameter , T = wall thickness
The conventional linear mass are those of austenitic stainless steel calculated from the formula:
M = (D -T)*T*K (corresponding to a density of 7.97 with K = 0.02491,values (weight / meter) applicable to austenitic stainless steel)
Typical application key word:
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Stainless steel boiler tubes pipes |
Polish tubes pipes tubing |
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stainless steel U bend tubes pipes |
Sanitary tubes pipes tubing |
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Stainless Steel Heat Exchange tubes pipes |
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TINSI heat exchange tubes can be supplied in straight lengths up to 20m. Completed packages of U-bent and C-formed tubes can be supplied ready to be installed in the tube sheet of shell and tube heat exchanges.TINSI heat exchange tube covers a broad spectrum of industries including chemical, petrochemical, offshore, process, power generation, nuclear, mining and mineral,metal processing, pulp and paper.
Table. Most mainly used sizes of heat exchanger tube for tinsi-steel:
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OD |
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WT |
LENGTH |
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12.70 mm OD |
X |
0.92,1.02,1.22,1.63mm |
20ft=6100mm 25ft=7620mm 30ft=9150mm in lengths up to 65ft=19820mm |
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19.05 mm OD |
1.22,1.63,2.03,2.64mm |
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25.40 mm OD |
1.22,1.63,2.03,2.64,3.25mm |
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38.10 mm OD |
1.22,1.63,2.03,2.64,3.25mm |
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44.45 mm OD |
1.22,1.63,2.03,2.64,3.25mm |
Most Heat Exchange Tubes Pipes.Boiler Tubes Pipes and U bend Tubes Pipes adopt Standard Wire Gauge (SWG ) and Birmingham Wire Gauge (BWG) dimensions
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Table. principal SWG sizes |
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Outside Diameter |
22 |
20 |
18 |
16 |
14 |
12 |
11 |
10 |
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(0.71mm) |
(0.91mm) |
(1.22mm) |
(1.63mm) |
(2.03mm) |
(2.64mm) |
(2.95mm) |
(3.25mm) |
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in |
mm |
Standard Wire Gauge (SWG) / Weight, kg/m (average wall1) |
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1/4 |
0.25 |
6.35 |
- |
0.12 |
0.16 |
0.19 |
- |
- |
- |
- |
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5/16 |
0.31 |
7.95 |
- |
0.16 |
0.21 |
0.26 |
- |
- |
- |
- |
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3/8 |
0.38 |
9.53 |
- |
0.20 |
0.25 |
0.32 |
0.38 |
- |
- |
- |
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1/2 |
0.50 |
12.70 |
0.21 |
0.27 |
0.35 |
0.45 |
0.54 |
0.67 |
0.72 |
- |
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5/8 |
0.63 |
15.88 |
0.27 |
0.34 |
0.45 |
0.58 |
0.70 |
0.88 |
0.95 |
- |
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3/4 |
0.75 |
19.05 |
0.33 |
0.42 |
0.54 |
0.71 |
0.87 |
1.09 |
1.19 |
1.29 |
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7/8 |
0.88 |
22.23 |
0.38 |
0.49 |
0.64 |
0.84 |
1.03 |
1.30 |
1.42 |
1.55 |
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1 |
1.00 |
25.40 |
0.44 |
0.56 |
0.74 |
0.97 |
1.19 |
1.51 |
1.66 |
1.80 |
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11/4 |
1.25 |
31.75 |
0.55 |
0.71 |
0.93 |
1.23 |
1.51 |
1.93 |
2.13 |
2.32 |
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11/2 |
1.50 |
38.10 |
0.67 |
0.85 |
1.13 |
1.48 |
1.84 |
2.35 |
2.59 |
2.84 |
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13/4 |
1.75 |
44.45 |
0.78 |
1.00 |
1.32 |
1.74 |
2.16 |
2.77 |
3.06 |
3.35 |
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2 |
2.00 |
50.80 |
0.89 |
1.14 |
1.51 |
2.00 |
2.48 |
3.19 |
3.53 |
3.87 |
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21/2 |
2.50 |
63.50 |
- |
- |
1.90 |
2.52 |
3.13 |
4.03 |
4.47 |
4.91 |
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3 |
3.00 |
76.20 |
- |
- |
2.29 |
3.03 |
3.77 |
4.87 |
5.40 |
5.94 |
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31/2 |
3.50 |
88.90 |
- |
- |
2.67 |
3.55 |
4.42 |
5.70 |
6.34 |
6.97 |
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4 |
4.00 |
101.60 |
- |
- |
3.06 |
4.07 |
5.07 |
6.54 |
7.28 |
8.01 |
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Notes Conventional weights are quoted, assuming the tube is specified as average wall. Add 10% to the weight for minimum wall tube. Multiply quoted weights by 1.014 for austenitic and duplex steels, by 0.985 for ferritic and martensitic steels. |
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Contact: Hyman.C
Phone: 15825401620
Tel: +86-0577 56666518
Email: info@tinsi-steel.cn
Add: factory address: no272,Yongning West Road,Xiping Street, Songyang,Li shui,China
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