High strength steel ASTM A519 Gr.4130 is a medium carbon modulated Cr-Mo steel with excellent yield strength, tensile strength and notch toughness. The material offers a high carbon content, and the appropriate addition of Cr, Mo and other elements can improve its hardenability and anti-tampering softening tendency, which has been widely used in Marine high-pressure…
Chromoly steel 4130 has excellent strength and toughness, good hardenability and weldability, is a commonly used steel pipe for structural and mechanical purposes. It is mainly used for quenching and tempering parts with large cross-sections and working under high-stress conditions in the machinery manufacturing industry such as shafts, spindles, high load steering wheels, bolts, studs,…
Free-machining steel also referred to as Free-cutting steel or Automatic Steel, is the alloy steel by added elements such as sulfur, lead, calcium, selenium, tellurium, and bismuth to lubricate the cutting tool, reducing the cutting resistance of the steel, thereby reducing the surface roughness of the workpiece and increasing the cutting speed and prolonging the…
Stainless free cutting steel or stainless machining steel is a kind of alloy steel in which sulfur, lead, calcium, selenium, tellurium and other free cutting elements are added to improve its cutting ability. These free cutting element compounds lubricate the cutting tool and reducing the cutting resistance of the stainless steel, thereby reducing the surface…
Element Molybdenum(Mo) was first used as a cost-effective alternative element for tungsten in tool steels and high speed steels(HSS). Mo has about half the atomic weight of tungsten, and 1% molybdenum is about the same as 2% tungsten. Mo improves the hardness and wear resistance of tool steels, and promotes the formation of an optimal…
Matrix steel generally refers to the steel whose chemical composition is the same as that of the matrix in the quenching structure of high sped steel(HSS). That is, adding a small amount of alloying element or changing carbon content appropriately to the matrix composition of HSS to improve the performance of the steel to meet…
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