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連絡先担当者 Ms. Michelle
SHENZHEN, Shenzhen, Guangdong
Technology specialityï&frac*4;š  Refining of ESR and High Cleanliness  High Temperature Diffuse and Super Refining Treatment  Special multidirectional forging Product Feature  Quality accord with standardï&frac*4;ˆNADCAï&frac*4;‰ï&frac*4;ƒ**7  Excellent Toughness and Ductility  High Performance on Different Direction Applied Field  Die-casting and Extrusion for Aluminum Alloy and Aluminum-magnesium Alloy  Hammer Forging Die  Forging Die Applied Technology of DIN1.***4 Surface Nitriding Treatment  Recommended surface nitriding temperature is ******0℃. Surface oxidation treatment  Recommended vapor oxidation treatment temperature of die-casting is ******0℃ in order to improve liquefied aluminum alloy erosion resistance. Electric Spark Machining  Mould should be removed white layer after electric spark machining and has stress relieving tempering at lower temperature *5℃ than primary tempering temperature. Welding  Mould should be slowly preheated up to **5ï&frac*2;ž**5℃ before welding. Mould should be slowly preheated up to annealing temperature if the welding area is large and has quenching and tempering after welding. Chromium Plating  Mould should be tempering at **0℃ and holding 4h after chromium plating in order to avoid hydrogen embitterment.
