FAQ

  • What time we have to use Ni-base Ω301 alloy As a earliest research units of the bimetallic barrel and the bimetallic screw in China, many users ...
  • Iron-base Ω101 alloy and its characteristics 1) What is the alloy Ω101? Alloy Ω101 is one kind of special alloy with lower melting point but with high hardness and ...
  • Why A Protective Alloy Layer Hardness Is Not High? One of our overseas customers bought some bimetallic barrels from China, they found the hardness of the alloy layer is different, the alloy layer thickness is different, and relatively the wear-resistance and the working life is different. As a...
  • What is the 17-4PH Stainless Steel 17-4 Precipitation Hardening also known as Type 630 is a chromium-copper precipitation hardening stainless steel, used for applications requiring high strength and a moderate level of corrosion resistance, high strength is maintained to...
  • What About the PM Tool Steel Ralloy WR13 Ralloy® WR13 is an extra high chromium alloyed P/M-tool steel. Due to high volume of fine uniformly distributed hard carbides it has an excellent wear resistance with good toughness. The very high chromium content ensures good corrosion...
  • What About the Mechanical Properties of AISI.4340 Japanese Name: SNCM439; Chinese Name: 40CrNiMoA; Germanic Name: 36NiCrMo4    English       Intensity of       ...
  • What About the Abrasion & Corrosion Grade of Different Alloy All the comparison above based on the data which was provided by some extruder users. More pertinent information is always welcome to perfect the form.  Chief Engineer Office / Shanghai Omega Machinery Co., Ltd
  • Material Choices for Oval Liner and Screw Element 1. The famous material CPM-9V which is made by the Crucible Particle Metallurgyis one choice, but it is really very expensive, and it usually would take element maker longer time to get. Besides the cost of this material is much higher, and...
  • Main Technical Parameters and Purchasing Information Chinese Mark Custom Name  Similarity  ISO Mark HRC After Quenching...
  • How to Renew a Segment Barrel A. By analyzing the existing problems of Parallel Twin-screw Extruder Barrel, we aim at putting forward targeted renovation scheme, to recover and strengthen the segment barrel function. About the current Parallel Twin-screw...
  • At what time we have to use the liner technology For making a bimetallic cylinder, sometimes the liner technology has to be used in process if below 5 cases we met: 1. The length of cylinder is more than the length of furnace and centrifugal machine. You see, the furnace and...
  • What about the TIC way In TIC process, based on the different alloy material, the different wire diameter, and the different thickness of alloy layer, all the pre-heat and maintain temperature you mentioned is different.  1. Does Shanghai...
  • What we should know before a barrel and a screw quote? Before a barrel and a screw quoting, we have to learn as below: A. For a barrel: 1. Most important: Not only the Internal Diameter, but also the Length, and most important is the Outer Diameter, because the cost is...
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