321 heat treatment

321 heat treatment

With the exploration and innovation of company people, gradually formed four major advantageous products: steel plate, steel pipe, stainless steel, special steel.

  1. Alloy 321 stainless steel plate cannot be hardened by heat treatment, only by cold working. It can be easily welded and processed by standard shop fabrication practices.

    Alloy 321/321H Heat Resistant Stainless Steel Plate 321 heat treatment


    321 321H 1.4541 1.4878 Heat Treatment - tubingchina.com

  2. Alloy 321/321H Heat Resistant Stainless Steel Plate 321 heat treatment

    Alloy 321 stainless steel plate cannot be hardened by heat treatment, only by cold working. It can be easily welded and processed by standard shop fabrication practices.

  3. 321 Stainless Steel Technical Data Sheet - metal shims

    heat treatment The annealing temperature range for Type 321 is 1800 to 2000 F (928 to 1093 C). While the primary purpose of annealing is to obtain softness and high ductility, this steel may also be stress relief annealed within the carbide precipitation range 800 to 1500 F (427 to 816 C), without any danger of subsequent intergranular corrosion.

  4. Stainless Steel - Grade 321 (UNS S32100)

    Solution Treatment (Annealing) - heat to 950-1120 C and cool rapidly for maximum corrosion resistance. Stabilising - heat to 870-900 C for 1 hour per 25mm of thickness and air cool. Stabilisation is recommended for most severe service conditions (above 425 C) and particularly for material annealed at the upper side of the annealing temperature range.

  5. Specification Sheet: Alloy 321/321H - Sandmeyer Steel

    Alloy 321 cannot be hardened by heat treatment, only by cold working. It can be easily welded and processed by standard shop fabrication practices. Applications Aerospace piston engine manifolds Chemical Processing Expansion Joints Food Processing equipment and storage Petroleum Refining polythionic acid service

  6. Heat treating AISI 321 stainless steel - Material engineering 321 heat treatment

    Heat treating AISI 321 stainless steel 3. According to ASME Code, section II, SA 240, heat treatment of material shall be in accordance with SA 480. In the case of austenitic stainless steels, the material shall be solution annealed. For Type 321 Ti-stabilized stainless steel, section 15.2.3 of SA 480 states that a stabilization anneal may be used321 heat treatment

  7. Influence of stabilization heat treatments on microstructure 321 heat treatment

    Abstract. The AISI 321 is an austenitic stainless steel which contains Ti as stabilizing element. This material can be selected for high temperatures services due to its high creep and intergranular corrosion resistance. However, for services into the sensitization range of temperatures (450850 C), the steel must be previously heat treated321 heat treatment

  8. Stabilization Heat Treatment of Austenitic Stainless Steel 321 heat treatment

    This is especially true when the heat treatment occurs in the field. Types 321 and 347 stainless steels are the alloys most commonly thermally stabilized, but these alloys are also susceptible to weld and HAZ cracking problems during these heat treatment procedures, i.e., reheat cracking and grain boundary liquation cracking (mechanism covered in a previous article).

  9. Stress relieving heat treatments for austenitic stainless steels

    The approach to heat treatment selection. As a general guideline, it is advisable that the range 480-900 C is avoided. The low carbon (304L or 316L) or the stabilised (321 or 347) types should not be at risk from corrosion sensitisation during stress relieving treatments.

  10. Stainless Steel - Heat Treatment - AZoM.com

    Stainless steels are generally heat-treated based on the stainless steel type and reasons for carrying out the treatment. Heat treatment methods, such as stress relieving, hardening and annealing, strengthen the ductility and corrosion resistance properties of the metal that is modified during 321 heat treatment

  11. Heat treating - Wikipedia

    Heat treating (or heat treatment) is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass. Heat treatment involves the use of heating or 321 heat treatment

  12. Post Weld Heat Treatment for Stainless Steel - Steel Castings

    This heat treatment is typically the same as the original solution heat treatment. A full solution heat-treatment will usually distort tight tolerance dimensions and will often degrade the surface finish, depending on the furnace atmosphere and quenching technique used. Use of extra-low carbon levels, typically below 0.03 percent.

  13. Technical Data BLUE SHEET - metserve.co.za

    may be reduced by annealing or stress-relieving heat treatments following cold deformation. The stabilized Types 321, 347 and 348 alloys are good choices for service in the stress relieved condition in environments which might otherwise cause intergranular corrosion for unstabilized alloys. The Types 321, 347 and 348 alloys are particularly

  14. Stainless Steel Tool Wrap - What Is It? | Tool Wrap UK

    Otherwise known as stainless steel heat treatment foil, this is used in temperatures up to 1090C (2000F) to protect from oxide build up. The grade 321 stainless steel which we use is actually more commonly found in the aerospace industry for high temperature shielding applications however its properties are perfectly suited to be used as heat treatment foil.

  15. nvlpubs.nist.gov


  16. STABILIZING AND ANNEALING OF SS321 TUBES - Metal and 321 heat treatment

    A stabilization heat treatment (if specified by the Purchaser) is always subsequent to solution treatment for these types of austenitic stainless steel grades (321, 347, etc). The stabilization treatment is performed at a temperature lower than the solution treatment temperature.

  17. Welding of Austenitic Stainless Steel - Part 2 - TWI

    Solution treatment (1050C soak followed by very rapid cooling, ideally a water quench) will eliminate all residual stresses whilst avoiding both sensitisation and embrittlement but is rarely practical on a welded assembly. The alternative is to select a steel that is more resistant; the molybdenum bearing grade type 316 is better than 304 or 321.

  18. HEAT TREATMENT OF STAINLESS STEELS - [email protected]

    When maximum corrosion resistance for Ti stabilized (Type 321) and Cb stabilized (Type-347) steels is required, a stabilizing annealing treatment may be employed. This treatment consists of holding at 8150C to 9000C for upto 5 hours depending on section thickness. It may be applied

  19. 321 - Rolled Alloys, Inc.

    321 stainless is a titanium stabilized grade commonly used for service in the 1000-1600F temperature range. For service temperatures up to about 1600F, a stabilizing treatment at 1550-1650F, air cool, may be used to provide optimum resistance to intergranular corrosion and to polythionic acid stress corrosion cracking.

  20. Confused about Annealing / Heat Treating Terminology 321 heat treatment

    Confused about Annealing / Heat Treating Terminology? In the broadest sense annealing is the process of heating an alloy to an elevated temperature to promote a homogenous chemistry, equiaxed microstructure and uniform mechanical properties to produce what is essentially stress free, or soft material.

  21. Type 321 Stainless Steel Tool Wrap | Heat Treat Foil 24" x 321 heat treatment

    Type 309 Stainless Steel Tool Wrap | Heat Treat Foil 24" x .002" x 100' 5.0 out of 5 stars 1. $369.78. 321 Stainless Steel Foil, Unpolished (Mill) Finish, Standard 321 heat treatment

  22. Stainless Steel Tool Wrap, Foil Tool Wrap, Heat treat foil 321 heat treatment

    Heat treat foil tool wrap is used for the surface protection of tools, dies and parts during heat treating applications by preventing decarburization or scaling. Protects tools and parts from oxide and scale buildup

  23. ATI 321/ATI 347/ATI 348

    form during long time exposure in the 1000 to 1500F (593 to 816C) temperature range. The stabilized ATI 321, ATI 347 and ATI 348 stainless steels are not hardenable by heat treatment. The overall heat transfer coefficient of metals is determined by factors in addition to thermal conductivity of the metal. In

  24. PWHT of chromium-nickel austenitic stainless steels - TWI

    The necessity for any type of heat treatment of austenitic chromium-nickel steel weldments depends largely on the service conditions encountered. For some applications, heat treatment is used to impart the greatest degree of corrosion resistance possible, eg by solution treating to homogenise the composition or stabilising, to minimise the risk 321 heat treatment

  25. Forging Type 321 Stainless Steel & Alloy | All Metals & Forge

    Heat treatment. Type 321 stainless steel cannot be hardened by heat treatment, in fact the only heat treat operation that is performed on it is that of annealing, at around 1950F (1065C,) followed by a water quench.

  26. THE HEAT TREAT DOCTOR: Stainless Steels Part Two: Heat 321 heat treatment

    THE HEAT TREAT DOCTOR: Stainless Steels Part Two: Heat Treatment Techniques by Daniel H. Herring Posted: June 14, 2006 Heat treating of stainless steels depends to a great extent on the type (wrought or cast) and grade of stainless steel, as well as the reason for the treatment, most often to

  27. Stainless Steel Foil - Keith Company

    Keith stocks stainless steel heat-treating foil with a .002" thickness in two grades of alloy and temperature ranges ready for immediate shipment to you. Alloy #321 is a high-titanium, soft annealed stainless intended for heat treating parts at temperatures up to 2000F.

  28. 1.4541 / 321 / 321 H / 1.4878 WITTE TUBE + PIPE SYSTEMS

    1.4541/321/321H in use. Chrome-nickel steel can be worked with well in all welding processes the only exception being gas welding. Due to the titanium alloy, a thermal aftertreatment is generally not necessary after welding. After welding and any other heat treatment with oxidation, adherent oxides should be removed.

  29. 321/321H Stainless Steel products in Stock - Penn Stainless 321 heat treatment

    General Properties. Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 1500F (427 816C).

  30. Stainless Steel Grade Datasheets

    Heat Treatment Solution Treatment (Annealing) Heat to 1010-1120C and cool rapidly. Use low side of range for intermediate annealing. This grade cannot be hardened by thermal treatment. Cold Working Grade 301 and its low carbon variants are used where a high strength stainless steel is required. The grades work harden at the very

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