High strength thread steel hrb400e 32 in diameter, is it special steel?
In addition to high-quality carbon structural steel, carbon tool steel and carbon spring steel, the rest are alloy steel, and alloy steel accounts for about 70% of the special steel.
According to the use of special steel, can be divided into high quality carbon steel, alloy steel, carbon tool steel, alloy tool (die) with steel, high-speed tool steel, bearing steel, spring steel (carbon spring steel and alloy spring steel), stainless steel (heat, acid) eight.
Hrb400e diameter 32 of the rebar is not special steel, it is seismic steel.
