... Certificate: GB/T9112-2000 Material: stainless steel 304 316 304 carbon steel flange and stainless steel flange 1. for loaders, excavators, ... 2. Flange material common flange materials: stainless steel 304 304 304 304 carbon steel 20 # Q235 Q345, etc 3. China' ... machinery buckets, Liugong loader, excavator buckets, bucket tooth, blade for buckets, end bits, rockers etc ;Construction machinery track ...