1.Investment Casting of Steel Bent Axle / Crankshaft 2.ISO 9001 3.Material: Steel 4.Standard:AISI, ASTM, DIN, GB, BS, JIS,NF Investment Casting of Steel Bent Axle / Crankshaft 1.Quality system certificate: ISO 90002. Standard: AISI, ASTM, DIN, GB, BS, JIS, NF, AAR. 3. Dimension Tolerance: CT7 4. Surface Roughness: Ra6.4~12.5 5. Max Casting Size: 1 meter 6. Casting Weight: 0.2~90Kg 7. Productivity ...