... (45#)St52(16Mn) CH8Ni9Ti 35CroGB/T3639-2000DIN2391For the automotive, motorcycle, engineering machinery, jack, electrical tools and sporting equipment and other areas10 ... *500 ductile iron pipe-ironGB/T13295-2003 ISO2531/2003- Public works, mining, textile, electric power, boilers, drinking water, machinery, military industryDN80 ...