SAE J434 for Automotive Ductile (Nodular) Iron Castings by Dandong Foundry in China. This SAE standard covers the minimum mechanical properties measured on Table 1 The Comparison of the recent SAE standards with the comparable ASTM standard. SAE J434 JAN03. (Draft 2003). SAE J434 JUN86. (Current Issue). ASTM A536- Scope—This SAE Standard covers the hardness, chemical analysis and microstructural requirements for SAE J434—Automotive Ductile (Nodular) Iron Castings.SAE J434 Microstructure: The graphite component of the microstructure shall consist of at least 80% spheroidal graphite conforming to types I and II (per ASTM J434. Issued Revised. 1956-09 1986-06. Supersedes J434c. (R) AUTOMOTIVE DUCTILE (NODULAR) IRON CASTINGS. 1. Scope—This SAE Standard covers the hardness J434 JUN1986 (R) Automotive Ductile (Nodular) Iron Castings 1. Scope This SAE standard covers the minimum mechanical properties measured on separately cast This SAE standard covers the minimum mechanical properties measured on separately cast test pieces of varying thickness and SAE J434 Revised FEB2004 SAE J434 Grade D5506. Want to keep this datasheet? Save it now in your required format. Download as .XLSX. Download as .PDF