A439/A439M

A439/A439M (奥氏体球墨铸铁件标准规范)· ASTM (美国) · 10 种材料

名称	材料组别
A 439 Type D-2	铸铁	chevron_right
A 439 Type D-2B	铸铁	chevron_right
A 439 Type D-2C	铸铁	chevron_right
A 439 Type D-2S	铸铁	chevron_right
A 439 Type D-3	铸铁	chevron_right
A 439 Type D-3A	铸铁	chevron_right
A 439 Type D-4	铸铁	chevron_right
A 439 Type D-5	铸铁	chevron_right
A 439 Type D-5B	铸铁	chevron_right
A 439 Type D-5S	铸铁	chevron_right