Quick Details

• Place of Origin:

  Shaanxi, China (Mainland)

• OE Experience:

  No

Product Name:Austenite-bainite bush

Austenite-bainite bush

Application

Auto

Product Description:

the ball of the rate 1-2class,7-8class for the diameter,ball number 400-600mm2.

Advantages:  a: High density microstructure, outstanding comprehensive mechanical property  The cooling intensity provided by Continuous casting mold is the average of 30 times than sand casting, and is 5 times the average than centrifugal casting. Strong cooling bring strong phase change, so that increased the melt of austenite and graphite spherical nuclear number (400-600/ mm2, while the sand-cast 100 of the graphite / mm2), to ensure that the detailed metallographic Organization.  b: Pure chemical composition Melted iron in the holding furnace, the dross floated will be removed artificially, the high-density molten iron will sink, and then through U type channel bottom-up into the mold, so there is no impurity and gas come coercively.  c: Adequate and timely feeding function When the molten iron concreting in the mold, the volumetric shrinkage arising from liquid / solid phase transition was fed in time by the center of the liquid feeding, so shrinkage situation won’t arise, thus it has excellent mechanical properties.  d: Compared with the centrifugal cast pipeThere is no concentration gradient of alloying element distribution between the inside and outside layer of the wall;carbon, sulfur, phosphorus and other elements of light metal will not aggregate to the inner wall layer to form a black spot, White Spot, cloud spot abnormal Microstructure; and the wall cavity center does not exist osteoporosis, trachoma, porosity and other casting defects.  e: Compared with sand casting   There is no slag, clamping sand, porosity, shrinkage defects; ideal graphite morphology, finer microstructure; in the same conditions of alloy composition, mechanical properties is higher than the grades 1-2.  f: For gray cast iron and gray iron alloy materials, we can get uniform structure composition, and avoid the horizontal continuous casting bar always exist soft liquid core problem eccentric, and ensure the production of wear-resistant ring hole on the inner parts have high hardness.  g: Compared with casting sand-cast semi-pipe, horizontal continuous casting cast ring sets; cylinder parts can get 30-70% material savings.  h: Providing the best original organizations for Isothermal quenching ductile iron (that is, the well-known foundry industry ADI)  Microstructure:  Gray iron: Small flake graphite (external layer is small D-type graphite, internal is small A-type graphite small)  Matrix structure: ferrite + pearlite  Mechanical Properties: σb = 150-380Μpa, HB = 150-350, E = 1.1-1.7 * 105Mpa  Ductile Iron profiles: the ball of the rate 1-2 class, more than 7 class for the ball diameter, ball number 400-600/ mm2  Compared with sand casting, when the same strength, elongation increased by 50 - 100%.  Austempered Ductile Iron (ADI): σb ≥ 1200Μpa, δ ≥ 2%, ak ≥ 45J/mm2   The products are successfully developed by Xi’an University of technology and Shaanxi Tongxin Continuous Cast Tube Tech Co., Ltd. That is to fill the market gap profiles of continuous casting of cast iron profile at home and abroad, if they are used to make ring sets, sleeves ,cylinder with high-performance machine parts, and under the premise of mechanical property equivalent to or better than the Horizontal Continuous Casting of solid material, will save materials 30 - 70%.

Shaanxi Tongxin Continuous Cast Tube Tech Co., Ltd. is a manufacturer of cast iron with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in many fields. ...[Read More]

Company Profile:

• Main Product:

  (We Sell): Hollow profiles cast iron pipe,continous cast iron pipe,ductile cast iron pipe,cast iron pipe,gray cast iron pipe,Dry cylinder liner,Austenite-bainite bush,Cylinder liner,guide sleeve,Drill sleeve  

• Business Type:

  Manufacturer

• Current Export Market:

  North America, South America, Eastern Europe, Southeast Asia