Cr.D Lost Wax Investment Casting

Product Introduction

CR.D low-alloy high-strength structural steel has good plasticity, welding performance, and impact toughness. It also has good cold and hot processing properties and low and medium temperature properties and has certain corrosion resistance. Q295A can be used to manufacture vehicle stamping parts, building structural parts, medium and low-pressure chemical containers and low-pressure boiler drums, thin plate stamping parts, oil pipelines, oil storage tanks, and projects with low-temperature requirements.

● Mechanical properties

Tensile strength σb (MPa): 390~570

Yield strength σs (MPa): when ≤16: ≥295; when >16~35: ≥275; when >35~50: ≥255; when >50~100: ≥235

Elongation δ5(%):≥23

Sample size: sample thickness (diameter, side length)

● Heat treatment specifications and metallographic structure

● Delivery status

Delivered in hot rolling, controlled rolling, normalizing and normalizing plus tempering conditions. Low-alloy high-strength structural steel Low-alloy high-strength structural steel is developed based on carbon structural steel with a carbon content Wc≦0.20%, adding a small amount of alloy elements. Its strength is higher than that of carbon structural steel. In addition to containing In addition to a certain amount of basic elements such as silicon or manganese, it also contains other elements suitable for my country's resource conditions.

Trace elements such as vanadium (V), niobium (Nb), titanium (Ti), aluminum (Al), molybdenum (Mo), nitrogen (N), and rare earth (RE). According to chemical composition and performance requirements, its grades include Q295A, B, Q345A, B, C, D, E, Q390A, B, C, D, E, Q420A, B, C, D, E, Q460C, D, E, etc. The steel grade indicates that its meaning is the same as that of carbon structural steel. Grain-refining trace elements such as V, Nb, Ti, and Al should contain at least one of them in grade C, D, and E steels in addition to grade A and B steel; in order to improve the performance of the steel, one of them can also be added to grade A and B steel. In addition, the residual element content of Cr, Ni, and Cu in this type of steel is not more than 0.30%. Q345A, B, C, D, and E are representative grades of this type of steel. Among them, A and B-grade steel are usually called 16Mn; C-grade and above steels need to add more than one trace element and a low-temperature impact property to their mechanical properties. This type of steel is comparable to carbon structural steel. Cr.D lost wax investment casting has the advantages of high strength, good comprehensive performance, long service life, wide range of applications, and relatively economical. This steel is often rolled into plates, profiles, seamless steel pipes, etc., and is widely used in bridges, ships, boilers, vehicles and important building structures.

Detection Systems

Copper Silica Sol Investment Casting