High hardness stainless steel products use what?

High hardness stainless steel product use: electronics, computer accessories, computer IO shrapnel, stationery, kitchenware, medical equipment, stainless steel materials, chemical etching filler, adjusting washer

Product material: stainless steel 201, 202, SUS301 (1Cr17Ni7), SUS304 (0Cr18Ni9), 316, 316L, 410, 420, (SUS430) (1Cr17)

Specification: thick 2.0mm - 0.02mm * width 3 1219mm - mm

Material hardness: Vivtorinox (HV) 180-550 above

Hardness status: cold rolled ANN, 1/4H, 1/2H, 3/4H, H, EH, SH

Material surface: cold rolled 2B, BA, TR, HL