We are dalian huayifeng special steel co., ltd based in Dalian , China. We are member of Tradekey.com since November, 2010. Our business is related to Minerals & Metallurgy industry and we specifically deal in special steel wire&round bar. Please find our product details below:steel wire 440CCutting steel, high strength carbon tallish, through proper heat treatment can obtain higher yield strength, hardness, can achieve 58HRC belongs to the hardest stainless steel list. The most common application example is "razor piece". Commonly used models have 3 kinds: 440A, 440B, 440C mostly, another 440F (yi potatos).we could get a higher yield strength after proper heat treatment diameter:0.3~20mmdelivery :light drawdalian city , Chinasteel wire 440CCutting steel, high strength carbon tallish, through proper heat treatment can obtain higher yield strength, hardness, can achieve 58HRC belongs to the hardest stainless steel list. The most common application example is "razor piece". Commonly used models have 3 kinds: 440A, 440B, 440C mostly, another 440F (yi potatos).we could get a higher yield strength after proper heat treatment diameter:0.3~20mmdelivery :light drawdalian city , ChinaThank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.