Semi-continuous casting process using direct water cooling casting method. Direct water-cooling method of cooling intensity is large, the cooling speed, the cast structure refinement, increased density of tissue, thus improving the mechanical properties and heat treatment ingot effect. Control the casting temperature 710-730 ℃, casting speed 50-70mm / min, cooling water pressure 0.1-0.3MPa. In order to reduce thermal cracking tendency, Shandong 2A12T4 aluminum square rod manufacturers, improve the chemical composition of the alloy, 2A12T4 aluminum square bar, using online add Al-Ti-B wire, add speed 1700-2000mm / min. Fire safety: magnesium manganese alloy low melting point (660 degrees Celsius). High temperature performance is poor, Jinan 2A12T4 aluminum square rod manufacturers, more than 150 degrees that is rapidly losing strength. In case of fire, the roof burn easily, so the fire spread outward, specializing in the production of aluminum square bar manufacturer 2A12T4 without inward lateral spread from the top of the stretch to help firefighters fire hose; color plate steel high melting point (1515 degrees Celsius). Seven, forming: magnesium manganese alloy has good weldability, high plasticity, low temperature environment, the strength and ductility of the aluminum alloy can be improved, with good low temperature performance; color plate steel at low temperatures likely to occur the cold crisp . Eight Cost: magnesium manganese alloy high cost: lightweight, waterproof, easy to bend the arc, good stereoscopic effect; low cost color plate: quality is more important, somewhat less waterproof, steel is strong, somewhat less curved arc, art ineffective. Shandong 2A12T4 aluminum square bar manufacturer, 2A12T4 aluminum square bar, rolls supplied by Alcoa Aluminum Co., Ltd. Jinan Heshun. Jinan Heshun Aluminum Co., Ltd. (www.jnhsly.com) (www.jnhsly.cn) is specialized in "aluminum, aluminum, aluminum, aluminum rod, aluminum row, aluminum, aluminum rod, aluminum elbow" of the enterprise the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhang.