起吊用球墨铸铁卷筒

Ductile iron reel for lifting

耐低温耐大气腐蚀铸钢件

Low temperature service and atmospheric corrosion resistant steel casting

铸铁用稀土系蠕化剂 技术条件

Technical specification of rare earth vermiculariser for cast iron

铸铁用硅系孕育剂 技术条件

Technical conditions of silicon inoculant for casting iron

输水用球墨铸铁管、管件和附件 招标技术文件编制指南

Guidelines for compilation of bidding technical documents for ductile iron pipes, fittings and accessories for water application

用于塑料管与球墨铸铁管连接的 球墨铸铁连接器

The jointing adaptor of ductile iron for connecting plastic pipes and ductile iron pipes

用于塑料管或球墨铸铁管连接的球墨铸铁管件

The fittings of ductile iron for connecting plastic pipes and ductile iron pipes

钢铁材料冲击腐蚀磨料磨损试验方法

Test method on impact corrosion-abrasion of steel and iron materials

铸造用钒钛生铁

Pig iron containing vanadium and titanium in foundry

球墨铸铁井盖、箅子及附件

Covers, gratings and accessories made of ductile iron