Supply of high hardness and wear-resistant high chrome cast alloy is heat treated bend | Price double elbow bend double bend type model specification 125mm Features E50K safe inner layer of high hardness and wear-resistant high chrome cast steel heat treatment the outer tube to ensure construction safety high toughness low-carbon steel. Bend at the elbow strengthen the impact of the most serious back bend thicker life assurance. End flange wear mouth lined with wear rings of Gog overall heat treatment: HRC60