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  1. WendelTrento

    Material for manufacturing the extruder cylinder

    Dear all, Good afternoon, Could you help me, if possible, in choosing the appropriate material for manufacturing an extruder cylinder (Thermoplastic extrusion machine)? I am currently using DIN 1.8550 steel. I would like to know if there is another steel for nitriding that is more affordable...
  2. WendelTrento

    Hardness Values - API

    Dear all, Good afternoon, The API 6A standard specifies the minimum hardness values for carbon steels with a yield strength of 36K to 75K. I have a hardness standard from a client that informs the minimum value for steels with a yield strength above the API. Hardness standard text: The...
  3. WendelTrento

    Equivalent Carbon value influences the tenacity of the material?

    Dears, Good morning, I have a technical question about heat treatment that my supplier was unable to explain. I have forged 4140 trepanned materials. I will perform heat treatment to meet the mechanical properties below, these are requirements from my end client. Mechanical Properties. (All...
  4. WendelTrento

    Sulfur Percentage - Forging

    Hi EdStainless, Attached is specification.https://files.engineering.com/getfile.aspx?folder=18e70bd8-a8f5-4354-a860-38cd81ae171c&file=M30134_D.pdf
  5. WendelTrento

    Sulfur Percentage - Forging

    Hi EdStainless, I agree with you, there must be a supply specification error. The part we will manufacture is not welded or threaded and has no wall. Attached is a drawing of the component and my client's specification. Att, Wendel...
  6. WendelTrento

    Sulfur Percentage - Forging

    Hi EdStainless, Thanks for the answer. The Material had a reduction degree of 30.3. I thought this sulfur gap was because of the forging process. Example: Hot ductility. Att, Wendel Trento
  7. WendelTrento

    Sulfur Percentage - Forging

    Is this sulfur requirement because the material is formed by an open matrix? If I were to manufacture the parts with a laminated round bar, would this requirement no longer apply? because it is laminated.
  8. WendelTrento

    Sulfur Percentage - Forging

    Dears, Good morning, Could you please help me with the question below? I will manufacture Tees, Elbows and Crosses, austenitic stainless steel grade 316/316L - Closed die forgings. My client's specification requests a control of the "Sulphur" element (0.005-0.012%). Why do you have this...
  9. WendelTrento

    Hardness and Charpy tests on Titanium alloys.

    Dears, Goodnight, I received a Material specification (Titanium alloy - Ti-6Al-4V, UNS R56400). I don't have good metallurgical knowledge in these alloys. Could you explain to me why you placed the points below? Mechanical Properties: 1 - Hardness is not a good indicator of the mechanical...
  10. WendelTrento

    Electroerosion Process in Gears

    Dears, If possible, could you answer the question below. I'm making a Gear with Straight Teeth. 2.5 module 43 Teeth. Material 8620 Carburizing Process Surface Hardness: 55 HRC Min. Core Hardness: 22 to 34 HRC Effective layer: 0.4 - 0.8 millimeters Manufacturing process: 1 - I pre-rough the...
  11. WendelTrento

    Material Specification - NIRO Cr46

    Dears, Good Morning, My Client requested the manufacture of a AXLE, but the material description is "STAR-AXEL Ø8 NIRO Cr46", what material would that be? Attached component drawing. Thanks for the help. Att, Wendel Trento...
  12. WendelTrento

    Measurements with Pins ANSI B92.1

    Dear friends, I'm having difficulty sizing the gear profile according to the attached table. Could someone help me how to calculate the diameter of the pin and the distance between them? and what tolerance to apply to the...
  13. WendelTrento

    Requirement - Heat Treatment NORSOK M-650

    Srs, Good Morning, You could answer the questions below; 1 - If a supplier (Villares Metals) has qualified using oven number 7. The next Heat treatment can only be carried out by oven No. 7? 2 - Should the temperature control be carried out by a contact thermocouple? or is only the oven...

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