Gr1 Titanium Foil

1.Gr1 titanium foil

Dimension: TK(0.1-0.4)X W(50-500) X coil

Standard: ASTMB 265

MOQ:20KG

Surface:Polished and Pickling

Application:Aerospace Anti-Corrosion Chemical industry  Racing Motor

Certificate:SGS  ISO9001-2008

Ask and answer

1. What can you do?

Baoji Ruicheng Titanium Metal Co.,Ltd., is located in High-tech Development Zone Baoji Shaanxi China which is famous as “Chinese titanium city”. Ruicheng is a high-tech enterprise featured with strong power,advanced technology, high quality of product and good service. In recent years,Depending on abundant industrial resource of “Chinese titanium city,”company has strong non-ferrous metal research and manufacturing strength, as well as complete titanium industrial chain chain. Ruicheng is mainly in charge of deep processing research, Design and production of industrial&civil titanium as well as other rare metals, and gradually establishes a set of fine and complete production process

2. What products can you supply?

A,Titanium anode B, titanium bar C, titanium sheet(include Gr1 titanium foil)  D,titanium screw  E, titanium tube F, Titanium wire G, titanium proceeding parts

Brief introduction:   

Titanium is an important structural metal developed in modern times. Titanium alloy has been widely used in various fields because of its high specific strength, good corrosion resistance and high heat resistance.  Titanium, non-toxic, light weight, high strength and excellent biocompatibility, is a very ideal metal material, its heat resistance, strength, plasticity, toughness, formability, weldability, corrosion resistance and biocompatibility are good, and become the ace alloy in the industry.  Performance titanium is a new kind of metal, titanium performance and the content of carbon, nitrogen, hydrogen, oxygen and other impurities, the purest titanium iodide impurity content is not more than 0.1%, but its low strength, high plasticity.  The properties of 99.5% industrial pure titanium are as follows: density ρ=4.5g/cm3, melting point 172  

 At 5℃, the thermal conductivity λ=15.24W/(m.K), tensile strength σb=539MPa, elongation δ=25%, area reduction ψ=25%, elastic modulus E=1.078×105MPa, hardness HB195.  

 High strength:  

 The density of titanium alloy is generally about 4.51g/cm3, only 60% of steel, the strength of pure titanium is close to the strength of ordinary steel, some high strength titanium alloy exceeds the strength of many alloy structural steel.  Therefore, the specific strength (strength/density) of titanium alloy is much higher than that of other metal structural materials, as shown in Table 7-1. It can produce components with high unit strength, good rigidity and light weight.  At present, titanium alloy is used for engine components, skeleton, skin, fasteners and landing gear.  

 High thermal strength:  

 The use of temperature is several hundred degrees higher than aluminum alloy, at moderate temperature can still maintain the required strength, can work in 450 ~ 500℃ temperature for a long time these two types of titanium alloy in the range of 150℃ ~ 500℃ still has a high specific strength, and aluminum alloy at 150℃ than the strength decreased significantly.  The working temperature of titanium alloy can reach 500℃, and that of aluminum alloy is below 200℃.  

 Good corrosion resistance:  

 The corrosion resistance of titanium alloy is much better than that of stainless steel when working in humid atmosphere and seawater medium.  Resistance to pitting corrosion, acid corrosion, stress corrosion is particularly strong;  Excellent corrosion resistance to alkali, chloride, chlorine organic articles, nitric acid, sulfuric acid and so on.  But titanium has poor corrosion resistance to reducing oxygen and chromite medium.  

Good low temperature performance:  

 Titanium alloy can keep its mechanical properties at low temperature and ultra low temperature.  Titanium alloys with good low temperature performance and very low clearance elements, such as TA7, can maintain certain plasticity at -253℃.  Therefore, titanium alloy is also an important low temperature structural material.  

 High chemical activity:  

 Titanium has high chemical activity, and has strong chemical reaction with O, N, H, CO, CO2, water vapor and ammonia in the atmosphere.  When the carbon content is greater than 0.2%, hard TiC will be formed in titanium alloy.  At higher temperatures, TiN is also formed by interaction with N  

 Hard surface layer;  Above 600℃, titanium absorbs oxygen to form a hard layer with high hardness.  When hydrogen content increases, embrittlement layer will also be formed.  The depth of hard brittle surface produced by gas absorption can reach 0.1 ~ 0.15mm, and the hardening degree is 20% ~ 30%.  Titanium chemical affinity is also large, easy to friction surface adhesion phenomenon.  

 Small thermal conductivity, small elastic modulus:  

 The thermal conductivity of titanium λ=15.24W/ (m.K) is about 1/4 of nickel, 1/5 of iron, 1/14 of aluminum, and the thermal conductivity of various titanium alloys is about 50% lower than that of titanium.  The elastic modulus of titanium alloy is about 1/2 of steel, so its rigidity is poor, easy deformation, should not make slender rod and thin wall parts, cutting the processing surface of the springback is very large, about 2 ~ 3 times of stainless steel, resulting in severe friction, adhesion, adhesion wear of the tool surface.  

 USES:  

 Titanium alloy has high strength and low density, good mechanical properties, good toughness and corrosion resistance.  In addition, titanium alloy process performance is poor, cutting difficult, in hot processing, it is very easy to absorb impurities such as hydrogen, oxygen, nitrogen and carbon.  There are poor wear resistance, complex production process.  Industrial production of titanium began in 1948.  The needs of the development of aviation industry make the titanium industry develop at an average annual growth rate of about 8%.  At present, the annual output of titanium alloy processing materials in the world has reached more than 40,000 tons, nearly 30 kinds of titanium alloy.  The most widely used titanium alloys are Ti-6Al-4V(TC4),Ti-5Al-2.5Sn(TA7) and industrial pure titanium (TA1, TA2 and TA3).  

Heat treatment:  

The commonly used heat treatment methods are annealing, solution and aging treatment.  Annealing is to eliminate internal stress, improve plasticity and microstructure stability, in order to obtain better comprehensive properties.  Generally, the annealing temperature of α alloy and (α β) alloy is 120 ~ 200℃ below the transition point of (α β) →β phase.  The solution and aging treatment is to obtain the α 'phase and the metastable β phase of martensite by fast cooling in the high temperature region, and then decompose these metastable phases by holding in the middle temperature region, and obtain the fine dispersed second phase particles, such as α phase or compound, to achieve the purpose of strengthening the alloy.  Usually (alpha beta) alloy quenching in (alpha beta) ─ - beta phase transition point below 40 ~ 100 ℃, metastable beta alloy quenching in (alpha beta) ─ - beta phase transition point above 40 ~ 80 ℃.  The aging temperature is generally 450 ~ 550℃.  

 In conclusion, the heat treatment process of titanium alloy can be summarized as follows:  

 (1) Stress relief annealing: the purpose is to eliminate or reduce the residual stress generated in the process of processing.  Protects against chemical erosion and reduces deformation in some corrosive environments.  

 (2) Complete annealing: the purpose is to obtain good toughness, improve processing performance, is conducive to reprocessing and improve the stability of size and organization.  

 (3) solution treatment and aging: in order to improve its strength, α titanium alloy and stable β titanium alloy can not be enhanced heat treatment, only annealing in production.  α β titanium alloys and metastable β titanium alloys containing a small amount of α phase can be further strengthened by solution treatment and aging.  

 In addition, in order to meet the special requirements of the workpiece, the industry also uses double annealing, isothermal annealing, β heat treatment, deformation heat treatment and other metal heat treatment process.  

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