• ASTM A536 球墨铸铁
• ASTM D95
• astm a139
• ASTM A513
• ASTM B117
• ASTM E831
• ASTM F963
• “淬火”重生
• ASTM A897&A897M-2003 等...
• A897-06奥氏体等温淬火球...