1 Name
Square tube, other name: Square tubing, Square hollow section, SHS, RHS,Square hollow profile.
2 Definition
A tube is a closed shape used to perform some structural function. The shape can be round, square, rectangular or whatever can be designed and manufactured for a particular application.
3 Size
Thickness: 1mm to 35mm
20x20mm to 800x800mm
20x30mm to 600x800mm
Structural Tubes, also known as hollow sections, are used as a structural element in buildings, bridges and other structures, and in a wide variety of manufactured products. It’s produced in round, square and rectangular shapes in a broad range of sizes and gauges.
Rectangular Tubes are commonly used in welded steel frames where members experience loading in multiple directions.
Structural Tubes, also known as hollow sections, are used as a structural element in buildings, bridges and other structures, and in a wide variety of manufactured products. It’s produced in round, square and rectangular shapes in a broad range of sizes and gauges.
Square Tube, similar to round tube, has efficient shape for multiple-axis loading as it has uniform geometry along two or more cross-sectional axes, and thus uniform strength characteristics. This makes it good choice for columns. It also has excellent resistance to torsion.
Materialss400, q235b, q235, q345b
Standardgb, astm, jis
Techniquehot rolled
Flange width50-400mm
Flange thickness7-34mm
Web width100-900mm
Web thickness5-16mm
Length5m-12m or customized
Packingseaworthy packing or at clients requires
Delivery timeusually within 10-20 days, according to total quantities and specifications
Trade termexw, fob, cif
Paymentst/t or l/c at sight
MaterialA53-a369, q195-q345, a53(a, b), etc
StandardAstm, bs, gb, astm a53-2007
TechniqueHot rolled
Outside diameter20-1000mm
Thickness0.5-30mm
Length5m-12m or customized
PackingSeaworthy packing or at clients requires
Delivery timeUsually within 10-20 days, according to total quantities and specifications
Trade termExw, fob, cif
PaymentsT/t or l/c at sight
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We professional manufacture many types of capillary tubing, including 3/8" x 0.049" duplex 2205, 1/4" x 0.035" 316L, 1/2" x 0.065" alloy 825, 1/8" alloy 625, etc...
If you have any needs, please feel free to contact me, we will offer the best price for you.
This is Kim Wang from ESP Cable Solutions Co., Limited, we professional manufacture capillary tubing, including 3/8"OD x 0.049"WT duplex 2205, 1/4"OD x 0.035"WT 316L, 1/2"OD x 0.065"WT alloy 825, etc...
A series of studs are welded on the surface of the steel pipe by the studded tube automatic welding machine to strengthen the heat exchange components, which is characterized by:
1. The square circumference is welded equally;
2. The hexagonal circumference is welded equally.
Compared with the traditional studded tube manufacturing process, the square and hexagonal studded tubes strengthen the heat exchange elements, which are formed by welding at one time. The phenomenon that the welding stud falls off after the welding is forced to stretch by tooling in the past has been changed, so that the studded tubes are welded more firmly and the welding stud is not easy to fall off. The welding studs, diameter, length, longitudinal spacing, number of circumferential welding stud and angle of inclination of welding stud are all factors affecting heat transfer of studded tubes. Therefore, it must be considered systematically to be more practical. The square and hexagonal circumferential welding and stud shaped tubes are used to arrange the welding and stud shaped tubes equally, which have a larger expansion surface, and the stud shaped tubes have a disturbing effect on the fluid, which can greatly improve the heat transfer coefficient, especially suitable for the enhanced heat transfer of high viscosity oil products, heavy oil and other medium.
Spiral wound finned tubes or crimped finned tubes spiral wound on the base tube, without welding, but spot welding at the end.
Material of spiral wound finned tube or crimped finned tube: the finned strip can be copper, carbon steel, stainless steel, non-ferrous metal tube and fin, or it can be root welded or completely welded.
Spiral crimped stainless steel finned tube.
Spiral tension wound finned tubes for air coolers.
Due to the high corrosion resistance of stainless steel, when the environment has certain corrosivity or cleanliness, such as climate industry, heating, drying and cooling, stainless steel crimped fin tubes can be widely used. Usually used for finned tube heat exchangers. The maximum working temperature is 180 â??.
Compared with L-shaped finned tubes, spiral wound finned tubes or crimped finned tubes provide higher air side turbulence and heat transfer due to fins curling.
Material standard of crimped fin tube: both base tube and fin can be carbon steel and stainless steel
Carbon steel: A179, A192, SA210 Gr A1/C, A106 Gr B Stainless steel: TP304/TP304L, TP316/TP316L
Products
Carbon steel pipe/tube
Round tube
Square Tube
Rectangluar Tube
Thickness
0.8-2.5mm
0.1-35mm
0.6-25mm
Outer Diameter
15-165mm
20*20-500*500
10*20mm-700*300mm
Steel Grades
Q195,Q215,Q235,Q345,ST37 ST52, A36,A53,SS400,S235,S275,C20,C45,1006,1008,1010,1022
Standard
ASTMA53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728-2002
Technique
Hot rolled / cold rolled
Surface
Black Finish ,Oiled,Shot Blasted,Spray Paint,Coated,Galvanized,Or as Your Request
Pipe Ends Treatment
Plain, beveled, threaded, socket with holes, with PVC clap/ coupling/ clamp, or as customers' requirement
Package
In bundle, no other package or wrapped with waterproof, or as customers' requirement
Application
Iquid delivery (pump well, gas, water), construction pipe, structural pipe(greenhouse structure, fence post), curtain wall,machinery part etc.
Delivery Time
Small batch can be in 7-15days, depending on the quantity
Payment Term
T/T, L/C
Price Term
CIF; CFR; FOB; EXW
leading ASTM A178 Tubes manufacturer in India. We are dealing Tubo ASTM A178 Tubes Gr A, A178 Tubing & ASTM A178 tubes at best price due to reasonable man hours in and good source of high quality ASTM A178 Tubes at best price available in SA179tubes.com is Exporter of Norma ASTM A178 approved . We maintain good stock of ASTM A178 Tubes. stock complete range or scope of Carbon Steel ASTM A178 Tubes, and A178 Steel Pipe in Stock in various sizes.
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SA179tubes.com is leading ASTM A178 Tubes manufacturer in India. We are dealing Tubo ASTM A178 Tubes Gr A, A178 Tubing & ASTM A178 tubes at best price due to reasonable man hours in India and good source of high quality ASTM A178 Tubes at best price available in Mumbai, India. SA179tubes.com is Exporter of Norma ASTM A178 approved by Saudi Aramco. We maintain good stock of ASTM A178 Tubes. SA179Tubes.com stock complete range or scope of Carbon Steel ASTM A178 Tubes, and A178 Steel Pipe in Stock in various sizes.
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This is Kim Wang from ESP cable solutions co., limited, we professional manufacture control line coil tubing, including 3/8" x 0.049" duplex 2205, 1/4" x 0.035" 316L, 1/2" x 0.065" alloy 825, etc... Please feel free to contact me if you have any needs, we will offer the best price to support your projects.
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Across several industries, a hydraulic cylinder tube is referred to as a Honed tube. One of the most important materials of manufacturing hydraulic cylinders are Honed Tubes. This type of tubing is ordinarily honed in the inside diameter of a Ready to Honed Tube. Which is why it is also known as honed ID tubing. Honing is an abrasive or a grinding machining process that delivers a precision surface on a metal workpiece for e.g. Hydraulic Tubes. During this process, an abrasive grinding stone or grinding wheel is scrubbed against a Pre Honed Tube along a hegemonized path. Honing is a process which is fundamentally used to enhance the geometric form of a surface.
Standards:
DIN 2391 Seamless Precison Steel Tubes
EN10305 Steel Tubes for Precision Applications Seamless Cold Drawn Tubes
ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
JIS G3445 Carbon Steel Tubes for Machine Structural Purposes
Materials:
ST52 ST45 E355 1020 1026
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