Big size elbow casting 1. Accurate dimension; 2. Professional casting skill; 3. ... :Material: Iron, self-smelting according to standard: ASTM, EN, DIN, ISO, JIS, GB, etc;Sand mold casting: Iron casting, through sodium ... performance;-Dimension report;Cast Tolerance: unless otherwise ASTM, EN, DIN, ISO, JIS, GB Machining tolerance: unless otherwise according to dwg or ...