• SK1 Valve
  • SK1 Flange
  • SK1 pipe fitting
  • SK1 angle bar
  • SK1 pipe
Super Duplex Stainless Steel Flanges | Stainless Steel Pipe Fittings | Duplex Stainless Steel Pipes | Stainless Steel Bars
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SK1 angle bars, SK1 flanges, Pipe Fitting, Steel Pipe, Heat Exchanger and Reducer, Gasket, Tee, Pipe Fitting, Tube Plate, have all specifications. With many yeas production experience, strict control SK1 chemical composition and SK1 mechanical properties.

Production specification
Data center describes many of the common steel models, we can not determine the company's warehouse has all types of steel products inventory or raw materials.

Angle bar: 1mm to 1300mm
Steel Pipe: 1 - 1300mm, also can be customed.
Pipe fitting Size: 1/8 inch - 80 inch (DN6 - DN2000)
Flange Size: DN6 - DN2000
Lenth: Any lenth based on the customer's requirement.

Cr Ni
 1.3-1.5 0.1-0.35  0.1-0.5   0.03 0.03  0.3  0.25 
Mo Al Cu Nb Ti V Ce
N Co Pb B Other    

Mechanical Properties

T (°C)
Density (×1000 kg/m3)
Poisson's Ratio
Elastic Modulus (GPa)

Thermal Properties

T (°C)
Thermal Expansion (10-6/ºC)

Stainless steel, Hi-Steel HSLA-80, Mould steel,  Heat resistant steel, Tool Steel, Ball bearing steel,Spring steel,  Alloy steel,  Construction steel,  Die steel, High-speed steel,  angles, flanges, tube sheet, tee, welded pipes, seamless tubesStandard:Standard:

Chinese GB, Japanese JIS, US ASTM, UK BS, EU DIN standards and so on. Tool steel (Tool steel), is used to make cutting tools, measuring tools, moulds and antifriction Tool steel. Tool steel with high hardness and under high temperature to keep high hardness have red rigid, and high wear resistance and appropriate toughness. Tool steel, Alloy steel is generally classified into carbon steel and high speed tool steels. Alloy tool steel quenching of rigid, its quench-hardening ability, wear resistance and toughness are better than carbon steel high, according to use can be roughly divided into cutting tools, moulds and measuring tool steel 3 kinds. The carbon content of steel of high (carbon quality score more than 0080%), measuring tools often used to make and cold mould, this kind of steel harden in more than HRC60 hardness, and has enough wear resistance; The carbon content of steel medium (carbon quality score 0.35% ~ 0.70%) used to make ReZuo mold, this kind of steel hardened hardness is a bit low, for HRC50 ~ 55, but toughness good Alloy steel profile . High-speed tool steel High speed steel is mainly used to produce high efficiency of the cutting tools. Since it has red rigid, good abrasion resistance, high strength higher characteristic, also used in the manufacture of performance requirements of high rollers, mould, high temperature bearing and high temperature spring. After the high speed steel heat treatment of hardness of HRC63 use more than 600 ℃ or so working temperature can still keep high hardness, and its toughness and wear resistance and heat resistance were well. The state of the annealing high-speed tool steel alloy elements of the main how, molybdenum, chromium, vanadium, and some high speed steel with the cobalt, aluminum etc element. This kind of steel belong to high carbon ledebrite high alloy steel, the main feature of the organization is to contain large amounts of carbon dioxide. As-cast high speed steel of eutectic carbide is carbon, the heat stress after processing break into granular distribution in steel, called a carbide; From austenite and martensite matrix exhalation of carbon dioxide called secondary carbide. These carbide high speed steel performance of the influence, especially secondary carbide, the steel of the austenitic grain degrees and secondary sclerosis performance has very big effect. The number of carbide, type and the chemical composition of steel concerned, and the carbide particle degree and distribution, and the deformation of steel about. Tungsten, molybdenum is the main high-speed tool steel alloy elements, the second sclerosis of steel and other performance play an important role. Chromium its quench-hardening ability of steel, oxidation resistance and wear resistance of the play an important role, for quadratic sclerosis also to have certain effect. The two times of steel vanadium hardening and wear resistance of the play an important role, but can reduce grinding performance .

Tool steel characteristics of (1) hardness Tool steel heat treatment with the tools made after the hardness of high enough, as for metal cutting tools in general HRC60 above. In high speed cutting tools and processing hard materials produced by the high temperature heat condition, can still keep high hardness and good red rigid. Carbon steel and alloy steel is in commonly 180 ℃ ~ 250 ℃, 600 ℃ or so high speed steel in the operating temperature, can still keep high hardness. Red to thermal deformation rigid mold and high-speed cutting tool steel is very important performance. (2) wear resistance Tool steel with good resistance to wear, namely the ability of abrasion resistance. Tool under great pressure and friction condition, can still keep its shape and size unchanged. (3) strength and toughness Steel has some of the strength and toughness, make the tool in the work can bear a heavy load, impact and vibration and the bending stress of the complex, etc, to ensure the normal use of tools. (4) other performance Because all the tools of different working conditions, the tool steel also has some other performance, such as mould steel should also has some of the high temperature mechanical properties, thermal fatigue sex, thermal conductivity and wear-resisting corrosion resistance, etc.

Process performance In addition to its use the tool steels performance outside, still should have good's process performance. (1) process Tool steel should have good thermal pressure processing quality and machining performance, to guarantee the production and use of tools. The steel processing depends on the chemical composition, the organization's quality. (2) quenching temperature range Tool steel quenching temperature should be wide enough to reduce the possibility of overheating. (3) quenching rigid and its quench-hardening ability Quenching rigid steel quenching is in after can reach the highest performance of hardness. Quenching rigid major with the chemical composition of the carbon steel, especially the content, carbon content is higher, the higher the rigid steel quenching. Its quench-hardening ability said in hardened steel from the surface to the inner of hardness distribution. Its quench-hardening ability on the chemical composition of steel, pure degree, the grain degrees. According to used in the manufacture of different tools, of the two kinds of performance each has certain requirements. (4) the decarburization sensitivity Tool surface decarburization happen and will make the lower surface hardness, therefore, ask the tool steel decarburization sensitivity low. In the same add conditions, steel decarburization depends on its sensitivity chemical composition. (5) heat treatment deformation Tools in heat treatment, ask the size and shape of stability. (6) of resistance to cut The very tools and measuring manufacturing steel. Demand has good grinding sex. Steel and chemical composition of the grinding about, especially vanadium content, if vanadium quality score is not less than 0.50% of the grinding go bad.

High speed steel and alloy steel process and parameters of the difference High speed steel is also a kind of alloy steel, contain C, Mn, Si, Cr, V, W, Mo, Co. And it can be used to do high-speed cutting tools, can wear-resisting, high temperature resistant, is among them, Cr, V, W, Mo proportion to more (you are together, there is no fine told), to W12Cr4V5Co5 as an example, Cr-> 3.75%-5%, V-> 4.5%-5.25%, W-> 11.75%-13%, including Cr and V to proportion shall not be lower than 3%. P and S have to content must not be more than 0.030%. Alloy steel processing method is mainly to pressure and cutting tool steel processing steel. Alloy steel type and many, have cold, ReZuo, no magnetic, plastic mold steels, and so on, at the same time, Cr and V must not too low proportion. Cold mould tool steel choice cold mould tool steel choice, in actual application tool steel mold is the main failure mechanism according to the choice. Choose tool steel has only steel performance of knowledge is not enough, must also be considered production parts of the quantity, be the type of materials, thickness and its hardness, and other factors. Choose one of the basic tool steel method is to put in addition to wear the failure mechanism of all the other excluded, and then choose the most suitable to wear and tear resistance with the tool steel products to meet the requirements of production.

carbon tool steel...

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