Features: 1) Available products: stainless steel and spring steel 2) Specification: a) Cr: ≥60% b) C: ≤8.5% c) Si: ≤3% d) P: ≤0.03%, ≤0.018% e) S: ≤0.04% 3) Size: 10-100mm, 90%min / 10-50mm, 90% Packing In bulk, PVC bags