Introduction
Thick Walled Tubes are usually tubes with a ratio of outer diameter to wall thickness of less than 20. They are generally processed using the hot rolling technique. They have a smooth, burr-free surface. Tubes are available in a variety of sizes and lengths to suit different requirements. We can also customise them on request. Thick Walled Tubes are mainly used as petroleum geological drilling tubes, petrochemical cracking tubes, boiler tubes, bearing tubes and high-precision structural tubes for automobiles, tractors and aviation.
Thick Walled Tubes is a simple process, with high production efficiency and low cost, and is developing fast. It has high hardness, good strength and good machinability. It also has excellent resistance to high and low temperatures, corrosion, rust, impact and ageing. It is reasonably priced and can be used for a long time. If you are looking for this kind of steel pipe, our products definitely make an excellent choice for you.
Size Range:
Outside diameter: 4.77-25.4 mm (0.188-1 in.)
Wall thickness: 0.889-6.35 mm (0.035-1/4 in.)
Specifications:
ASTM A213, ASTMA269,ASTM A632,AMS5560 , ASTM_B829,ASTM A789A789M
Materials: 304L, 316L, 321, 316Ti, 317L, 347H, 310S, 904L, S31803, S32205, S32750, N04400, N06600, N06625, N08800, N08825
Packages: Wooden Cases, Plywood Cases
Sizes and working pressure
Thick wall stainless steel tubes are manufactured in standard sizes according to the table. Standard lengths are 2-6 meters. Other sizes and lengths up to 16 meters can be offered on request.
OD | = Outside diameter |
ID | = Inside diameter |
WT | = Wall thickness |
1) Calculation basis:
OD | OD | ID | ID | WT | WT | Working pressure | Working pressure | Weight |
6 | - | 2.2 | - | 1.90 | 3,120 | 5,710 | 0.195 | |
6.35 | 1/4 | 2.39 | 3/32 | 1.98 | 0.0781 | 3,045 | 5,580 | 0.217 |
6.35 | 1/4 | 2.29 | 0.0902 | 2.03 | 0.0799 | 3,180 | - | 0.220 |
6.35 | 1/4 | 1.59 | 1/16 | 2.38 | 0.0938 | 4,300 | 7,890 | 0.237 |
9.52 | 3/8 | 3.20 | 1/8 | 3.16 | 0.1245 | 3,380 | 6,190 | 0.503 |
9.52 | 3/8 | 1.60 | 1/16 | 3.96 | 0.1560 | 5,530 | 10,140 | 0.551 |
14.00 | - | 8.00 | - | 3.00 | - | 2,330 | - | 0.826 |
14.00 | - | 5.00 | - | 4.50 | - | 3,200 | - | 1.070 |
14.30 | 9/16 | 8.00 | 5/16 | 3.15 | 0.1240 | 2,380 | 4,360 | 0.879 |
14.30 | 9/16 | 4.76 | 3/16 | 4.77 | 0.1878 | 3,390 | 6,210 | 1.138 |
19.05 | 3/4 | 1.80 | - | 8.63 | - | - | 12,00 | 2.251 |
K: Factor = OD/ID
K < 2: Calculation according to
AD-regulation B10
K > 2: Calculation basis full plastic condition. Safety factor 0.45.
Tolerances
OD and ID: +/- 0.1 mm
WT: +/- 10%
Other tolerances can be offered on request.
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