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AISI 4340 steel is a medium carbon, low alloy steel known for its toughness and strength in relatively large sections. AISI 4340 is also one kind of nickel chromium molybdenum steels. AISI 4340 steel properties offer good ductility in the annealed condition, allowing it to be bent or formed.
AISI SAE 4140 alloy steel is a chromium molybdenum alloy steel specification widely used in general purpose high tensile steel for components, like axles, shafts, bolts, gears and other applications. AISI 4140 steel gives greater strength and heat treatment capabilities in comparison.
1008 steel round bar are medium carbon and chromium steel which has excellent tensile strength. This is welded and then used for screw machine parts, shafts, pins, spindles and rods. Also available in various other industries. SAE 1008 round bar has many chemical and mechanical properties such as steel grade, tensile strength and elongation.
C45 steel bar is a medium carbon steel round bar that offers greater strength and hardness as compared to the low carbon grades. Formability and weldability of S45C is fair when using accepted shop practices. While machinability is good, this grade responds very well to forging and heat treating.
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