Tube carré en titane de haute qualité

Introduction Of Titanium Square Tube
The square pipe is a hollow rectangular thin-wall titanium thin-wall pipe with a rectangular section. In addition to the thickening of the wall, the corner size and the flatness of the side of the extra-thick hot rolled pipe can reach or even exceed the level of the resistance welding cold-formed square pipe. Good comprehensive mechanical properties, weldability, cold, and hot working properties and corrosion resistance, low-temperature toughness

The Process Of Titanium Square Tube
Step 1: The titanium ingot is forged into a tube blank, and the surface of the tube blank is treated;

Step 2: The surface-treated tube blank is rolled into a titanium tube for the first time, and the oil is removed after the first rolling;

Step 3: The first pickling is carried out after oil removal. After pickling, the titanium tube is rinsed. After rinsing, the tube is dried.

Step 4: pickling the titanium tube again, after pickling, wash the titanium tube, and wash the titanium tube after drying, after drying the titanium tube for the second time rolling, the rolled titanium tube finished products for oil removal, oil removal after pickling, pickling after washing the titanium tube, wash after drying, drying after annealing, annealing after straightening the titanium tube;

Step 5: After straightening, and pickling the titanium tube, repeat the above steps, and get the finished product after six times rolling.

Why Wash And Dry Titanium Tubes After Pickling?
After pickling the titanium tube in an acid solution, although the purpose of removing the oxide layer has been achieved, the surface of the titanium tube is more or less eroded by acid. If this residual acid is not removed, a part of the hydrogen will be diffused into the matrix of the titanium tube due to the chemical action of residual acid, and the ductility of the titanium tube will be reduced. At the same time, the residual acid on the surface of the titanium tube will make the roll wear prematurely and the titanium tube produces waste products. The purpose of drying is to drive out hydrogen atoms in the metal lattice in time, so as to avoid the hydrogen embrittlement phenomenon during the rolling of titanium tubes, and improve the lubrication performance

Application Of Titanium Square Tube
The square tube is used in construction, machinery manufacturing, steel construction, and other projects, shipbuilding, solar power generation bracket, steel structure engineering, electric power engineering, power plant, agriculture and chemical machinery, glass curtain wall, automobile chassis, airport, boiler construction, highway handrail, residential construction, pressure vessels, oil tanks, Bridges, power station equipment, crane transportation machinery and other high-load welding components and so on.

Name	TITANIUM TUBES
Material	Pure titanium and Titanium alloy
Titanium Grade	Grade 1—Unalloyed titaniumGrade 2—Unalloyed titanium
	Grade 3—Unalloyed titanium
	Grade 7—Unalloyed titanium plus 0.12 to 0.25 %palladium
	Grade 9—Titanium alloy (3 % aluminum, 2.5 % vanadium)
	Grade 12—Titanium alloy (0.3 % molybdenum, 0.8 % nickel)
Standard	ASTM B338/ASME SB338, ASTM B337/ASME SB337, ASTM B861/ASME SB861, ASTM B862/ASME SB862,AMS4911,AMS4928
Shape	Round Square Rectangle
Type	Seamless/Welded
Process	Seamless titanium tube: Titanium sponge—Compacting electrodes—melting—Forge—Bar billets—Extruding—Rolled—Straightening—Seamless
	tube
	Welded titanium tube: Titanium sponge—Compacting electrodes—melting—Forge—Plate billets—Hot rolled—Cold rolled—Titanium
	scrap—Welded—Welded tube
Surface	Polishing, picking, acid washed, black oxide
Application	1) General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear2) Fluid, gas and oil
	transport
	3) Pressure and heat transmission
	4) Construction and ornament
	5) Boiler heat exchangers
	6) Motorbycle and bike

Product Name	Titanium Seamless or Welded Square Tube
Execution standard	ASTM B338,ASTM B337,ASTM B861,ASTM B862 ,ASTM F67,ASTM F136,
Application	Titanium tubes can be processed into target tube, titanium rings, bend, coil, u-shaped tubes, square tubes, etc. Titanium tubes are widely applied to heat exchange equipment, such as tubular heat exchanger, coil heat exchangers, serpentine coil heat exchangers, condensers, evaporators and conveying pipelines and so on. For now, in many nuclear power industries, titanium tubes   are used as the standard tubes for their units.
Length of side	3-210mm,Customizations
Wall Thickness	0.5mm-20mm,Customizations
Length	30mm-12000mm,Customizations
Material	Gr1 Gr2 Gr3 Gr4 UNS R50250 UNS R50400 UNS R50550 UNS R50700 etc.
Features	Small thermal coefficient the coefficient of thermal conductivity of titanium,1/5 of the low carbon steel, copper 1/25.
	Nonmagnetic, non-toxic titanium is nonmagnetic metal, will not be magnetized in large magnetic field, non-toxic and has good compatibility with human tissue and blood.
	High melting point, is listed as one of high temperature resistant metal.
	At low temperature can keep good toughness and plasticity, cryogenic vessels is an ideal material.
	The chemical properties of titanium is very lively, easy at high temperature and carbon, hydrogen, nitrogen and oxygen react.
	Good corrosion resistance in the air or oxygen medium, titanium surface to generate a layer of dense, strong adhesion, inert much oxide film, protect titanium base from corrosion.
	Note: titanium tube heat exchanger with general use are pure titanium.
Surface treatment	Polishing, Pickling, Sand Blasted
Surface quality	The surface has high accuracy and is clean and smooth. No oxidized layers. No pits, cracks, backfins, rolling skins, lumps,laminations, hair cracks and other defects.
Physical properties	Better elongation and strength. No deformation after cold bending. No cracks after flattening and flaring.Test: Tensile strength test, flaring and flattening test, hardness test and test on chemical ingredients.
Delivery status	M (acid washing and annealing)
Quality Control	100% critical inspection before packing  Titanium bar is tested by our local authorized non-ferrous metal institution for its chemical and machnical compositions,ultrosonic test, granulations test, etc.
Production process	High quality titanium tube blank – precision cold-drawing – vacuum heat treatment – ultrasonic flaw detection – high hydraulic pressure test – two ends sealed by the dust covers