What is 4140 steel?
Related Terms
A36 Steel(A36)
A36 is the most common structural carbon steel grade in the US, defined by ASTM standard A36. It is weldable, machinable, and widely available as plate, sheet, and bar stock.
Steel Blank
A steel blank is a metal blank made from steel — typically carbon steel, stainless steel, or alloy steel — cut to size for further processing such as stamping, laser cutting, or machining.
Brinell / Rockwell Hardness(HB / HRC)
Brinell (HB) and Rockwell (HRC) are scales for measuring metal hardness by indentation. HRC is common for tool steels and knife steels; HB is used for structural and softer metals.
Tensile Strength(UTS)
Tensile strength (ultimate tensile strength, UTS) is the maximum stress a material can withstand while being stretched before breaking. It is a key property listed on mill test reports.
Heat Treating(HT)
Heat treating is a group of industrial processes that alter the physical and mechanical properties of metal through controlled heating and cooling. It includes annealing, hardening, tempering, and normalizing.