... -136H,Sutable for sub-parts, discard-style meal knives, utensils, camera, sunglasses, chemical equipment, die/mould steel -S-136HChemical composition:CSiCrMnV0.380.813.60 ... -parts, discard-style meal knives, utensils, camera, sunglasses, chemical equipment, and plastic productsFactory status: After hardening and tempering to HB290-330 die/mould steel ...