Beijing cast iron plate platform manufacturers, wholesale-made cast iron plate platform Advisory: 0317-8336666 phone; 15,630,717,869 cast iron platform platform presentation material: The material is high-strength cast iron HT200-250 face hardness HB160-210. After two treatments (artificial annealing 700 degrees or 600 degrees ---- --- natural aging 2-3 years), so that the product accuracy and stability, good wear resistance. Cast iron platform Precision: According to the national standard verification procedures, namely 0,1,2,3 grade four level. Surface quality flatbed / Platform: cast iron platform specifications: 200mm × 200mm-2000mm × 4000mm (special specifications according to the demand side, drawing production or agreed upon production and processing) cast iron platform test: test method with coloring. 0 a flat platform less than 25 points in each side of 25 mm square range. 2 flat platform on each side of not less than 20 points in the range of 25 mm square. 3 flat platform less than 12 points in each side of 25 mm square range.