GR1 capillary titanium tubing
GR1 capillary titanium tubes are based on industrial pure titanium and are designed for fine-diameter, high-cleanliness runners. Based on an in-depth understanding of the solidification and shrinkage behavior of titanium alloys, GR1 exhibits excellent fluidity and compactness during casting and processing, and is widely used in medical, electronics, temperature control, and precision instruments.
Core technical characteristics
Narrow crystallization temperature interval with excellent flowability
GR1 is a eutectic pure titanium system with a narrow crystallization temperature interval. During the solidification process, the melt has good fluidity, and it is easy to form concentrated shrinkage rather than dispersive shrinkage, which effectively reduces the microporous defects inside the pipe wall and ensures uniform capillary wall thickness and high density.
Body contraction behavior is controllable and has few defects
The solidification of titanium pipes undergoes changes in liquid→solid→ solid and solid state body shrinkage and linear shrinkage. The addition of GR1 alloying elements is extremely low, the solidification shrinkage behavior is stable, and the overall shrinkage is mainly reflected in concentrated shrinkage pores (which can be eliminated by the process), and the shrinkage tendency is small, which significantly improves the quality consistency of the finished pipe.
High-purity titanium matrix, taking into account the process feasibility
Under the premise of ensuring corrosion resistance and weldability, it does not blindly pursue "extreme purity", balances formability, processing efficiency and cost, and is suitable for mass production of high-precision capillaries.
Product application
Medical devices: syringe tubes, medical industry tubes
Temperature sensing: thermometer tube, barbecue thermometer tube, sensor tube
Electronic communications: micro antenna tubes, laptop antennas, wireless network card antennas
Precision manufacturing: pen core tubes, jewelry punching needle tubes, watch strap accessories
Instrumentation: thermometer tube, high-purity sample delivery tube
Selection guidance: three major misunderstandings reminder
1. The higher the purity, the better
Too high purity sacrifices formability and processing speed, so it is necessary to choose the appropriate purity GR1 material based on process feasibility.
2. Not only look at the tensile strength at room temperature
Corrosion resistance and welding tightness in strong oxidation or chlorine-containing environments are also critical and closely related to the surface condition of the pipe.
3. Avoid being solely price-oriented
Supporting elements such as wall thickness distribution, inner and outer surface quality, heat treatment process and connector matching directly determine the life of the finished product, and the comprehensive cost is better than the price of simple materials.
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