9 July, 2025

4130 vs 4140 steel: let’s compare 4130 steel and AISI 4140 steel, drawing directly. Both are classified as medium-carbon, low-alloy steels and belong to the chromium-molybdenum alloy steel family. Chemical Composition 4130 vs 4140 steel: composition comparison Element AISI 4130 (wt%) AISI 4140 (wt%) Notes Carbon 0.28-0.33 0.38-0.43 Higher carbon content in 4140 Manganese 0.40-0.60 […]

O1 tool steel Vs D2: O1 tool steel and D2 tool steel are both widely used cold-work tool steels, but they possess distinct characteristics that make them suitable for different applications. A detailed comparison reveals their strengths and weaknesses. O1 tool steel Vs D2: Chemical Composition Element O1 Tool Steel (%) D2 steel composition (%)