ZG310-570 Carbon Steel Lead Melting Kettle Castings EB4022 Detailed Description: Material Grade: ZG310-570; Chemical Composition for ZG310-570 Alloy C Si Mn S,P Ni Cr Mo V % <0.50 <0.60 <0.90 <0.04 <0.30 <0.35 <0.20 <0.05 Physical Properties: Yield Strength: >310 N/mm2 Tensile Strength: >570 N/mm2 Elongation: >16% Reduction: >21% Impact Value:>15J Quality Level: As per National Standard & International Standards. Production Process: Sand Process Including machining process,such as drilling and tapping holes. Special Features: 1. We can make big size Alloy steel castings with Sodium Silicate Sand Process. 2. We can supply finished Alloy steel castings with heat-treatment and machining process. 3. We can produce Alloy Steel castings as per GB/T 20878,DIN 17440,DIN 17224, AISI,ASTM,JIS SUH35,NF A35-572/584,BS970,BS1449,ISO 683/13. 4. The biggest steel castings we can achieve so far is 50 tons per piece.