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seed steel metal materials

 •  January 10

20MnCr5 is an alloy steel, carburized steel, high strength and toughness, good hardenability. The resulting performance after heat treatment is better than 20Cr. Quenching small deformation, good low temperature toughness, machinability better; but the welding performance is low. Generally used in the carburizing quenching or quenching. For the...

seed steel metal materials

 •  December 17, 2017

Phosphorus is one of the most harmful elements in steel, especially in stainless steel. It not only aggravates the composition segregation of stainless steel, but also has a very adverse effect on the resistance to corrosion, stress corrosion and welding of stainless steel. Reducing the phosphorus content of stainless steel has always been a...

seed steel metal materials

 •  December 17, 2017

What is the difference between galvanized sheet and stainless steel?Galvanized steel is to prevent corrosion of the steel surface to extend its life, the surface coated with a layer of zinc metal, this zinc-coated steel called galvanized sheet.Galvanized sheet steel products are mainly used in construction, light industry, automobiles,...

seed steel metal materials

 •  December 5, 2017

Mild steel for the production of various industries. Consumers or all walks of life can find different sizes of British and metric mild steel. Steels with a lower carbon content have higher crack resistance but maintain ductility that is not affected by temperature. Low carbon steels tend to crack or crush under pressure, but mild steels will only...

seed steel metal materials

 •  November 29, 2017

die/mold steel is used to manufacture cold die, hot forging die, die-casting mold and other mold steel, it is used to manufacture the main material mold, mold is the cornerstone of the industry, almost all the manufacturing industry are direct and indirect mold users. The quality of the mold directly affects the quality of the pressure processing...

seed steel metal materials

 •  November 28, 2017

Rubber molecular chain can be cross-linked, cross-linked rubber by the external force deformation occurs, has the ability to quickly recover, and has good physical and mechanical properties and chemical stability. So widely used in the manufacture of tires, hoses, tapes, cables and other rubber products.Rubber not only has excellent wear...

seed steel metal materials

 •  November 23, 2017

The difference between cast steel and cast Iron and carbon alloy containing a small amount of alloying elements and impurities in steel, according to the different carbon content can be divided into: pig iron - containing C 2.0 to 4.5% steel - C containing 0.05 to 2.0% cooked Iron - less than 0.05% C Iron is an iron-carbon alloy containing more...

seed steel metal materials

 •  November 23, 2017

1,ss 304 plate belongs to 0Cr18Ni9 series austenitic stainless steel, good weldability.2, cutting the plasma can be cut;3, There are five kinds of welding process plan: 3.1 electrode arc welding Selection of A132; dissimilar steel welding selection A312; Welder: DC reverse, Panasonic 400AT3 DC arc welding machine; 3.2 TIG welding (TIG welding) Use...

seed steel metal materials

 •  November 21, 2017

The ferrite is white after attack by nitric acid solution, the pearlite is black, the martensite (M) is a supersaturated solid solution of carbon in α-Fe, elongated sliver or needles in metallographic observation shape.
MicrostructureRefers to the chemical composition of the metal structure, the same crystal structure and physical properties,...

seed steel metal materials

 •  November 13, 2017

as a largest stainless steel stocks holder,seed steel can offer large stainless steel with godd price as you want.Currently used stainless steel polishing methods are the following:1 mechanical polishingMechanical polishing is by cutting, plastic deformation of the material surface to remove the convex portion after polishing to obtain a smooth...