CUSTOMIZED PRODUCTS FOR SEVERE CONDITION
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We have accumulated rich production experiences from induction melting (VIM and AIM) to electroslag remelting (ESR).
The melting procedure from the classification, inspection, storage and bakeout of raw materials to the melting of alloys are controlled and recorded perfectly in HUISHIH Alloy. The optimum proportion of chemical element in alloys we produced can acquire high performance, incl. corrosion resistance, heat resistance, and good economic performance.
ARL 3460 optical emission spectrometer and ARL ADVANT’X Series XRF spectrometer from Thermo Fisher Scientific are operated properly in HUISHIH, to ensure the accurate and reliable data for ladle analysis and the adjustment of chemical composition.
We can produce the defect-free ingots with low sulfur content, low non-metallic inclusion content, well-proportioned composition and excellent thermal plasticity by the electroslag-remelting of consumable electrode made by VIM, AIM and VOD.
Our ESR furnace can implement the real-time monitoring and recording of electric parameter incl. voltage and current, to ensure the stability and traceability of the ingot quality. Nearly all the ingots in HUISHIH Alloy are produced via ESR technology.
1. Non-metallic inclusion content decreased significantly；
2. Residual deleterious elements such as sulfur, lead, tin, antimony, bismuth, etc. reduced effectively；
3. Homogeneity of chemical composition improved, and the macro-segregation eliminated；
4. Macrostructure defects such as center porosity and shrinkage eliminated；
5. More dense crystal structure obtained, and its density increased by 0.33~1.37%；
6. Structure anisotropy decreased, and the transverse mechanical properties improved significantly；
7. Hot-working plasticity improved, especially for superalloys；
8. Good surface of ingots applicable to be hot-worked directly。
