Product specifications complete: 16 x 16, 18 x 18, 18 x 22, 20 x 25, 20 x 30, 20 x 35, 22 x 30, 25 x 25, 25 x 30, 25 x 35, 30 x 35, 30 x 40, 35 x 40, 35 x 45; material have high, low chromium alloy, in the range of products, cement, chemical, metallurgical and mining, processing plant and thermal power industry.