.china 304 stainless steel pipe supplier 304 steel pipe ManufactureIn SUS 304 in the solution of nitrogen to achieve the high strength material of SUS 304N10. Ⅱ-O. SUS 304N20.15 and 25%N. 30%N. SUS304 comparison is 2-7 times the nitrogen content of nitrogen 0.04x, solid strength reach SDS 304 of the melted State. 0 times times more in JIS g 4,305 mechanical properties of melt - solid state requirements, yield strength of more than 205N/- of SUS 304 and SUS 304N1 in more than 275 N/m/, SUS 304N2 345 N/mm/ above. These add nitrogen strengthening of steel is widely used in structural strength member
