Various Head Material Standards
Date: | Read: 8
6 x 2 concentric reducer materials include stainless steel 6 x 3 concentric reducer, alloy steel, carbon steel 6 x 4 concentric reducer, 6x4 concentric reducer materials include 20# steel, etc. 8 x 3 concentric reducer standards include national standard, American standard, British standard and various non-standard products.
