Materials: carbon steel and stainless steel (302,304,304L,316,316L etc). characteristics:The welded stainless steel water wel Materials: carbon steel and stainless steel (302,304,304L,316,316L etc).characteristics:The welded stainless steel water well screen is made up of rods and warp. The rod can be round wire, triangular wire or trapezoid wire. The warp is triangular wire (V-shaped wire). ...