• Search for:
    13Jan, 2026
    Different Types of Heat-Resistant Steel Trays
    Heat-resistant steel trays are essential for high-temperature industrial processes like heat treatment, sintering, roasting, and drying. They’re engineered to withstand extreme temperatures, thermal cycling, and corrosive environments while supporting and transporting materials. Different types of these trays use specific alloy compositions to match various temperature ranges and industrial needs.
    Understanding the core traits of each heat-resistant steel tray type helps you choose the best solution. This extends service life, cuts maintenance costs, and ensures stable operation in high-temperature workflows.

    1. Chromium-Molybdenum (Cr-Mo) Heat-Resistant Steel Trays

    Cr-Mo heat-resistant steel trays are widely used in medium-temperature industrial settings. Their key strengths are excellent thermal stability and creep resistance—resistance to deformation under long-term high-temperature stress.
    • Core Alloy Composition: Chromium (0.5%-9%), molybdenum (0.5%-1.5%), blended with carbon steel. Common grades: 15CrMo, 25CrMo, 30CrMo.
    • Key Features: Temperature resistance: 400℃-650℃; good thermal conductivity; tensile strength ≥500MPa; excellent thermal fatigue resistance (no cracking from repeated heating and cooling).
    • Performance Highlights: Maintains structural integrity during long-term medium-temperature use; low deformation rate (≤1% after 1000 hours at 550℃); works well in most neutral and weakly oxidizing environments.
    • Typical Applications: Heat treatment furnaces for automotive parts (gears, shafts) tempering; industrial drying ovens for plastics and rubber; low-temperature ceramic component sintering.

    2. Austenitic Chromium-Nickel (Cr-Ni) Heat-Resistant Steel Trays

    Austenitic Cr-Ni heat-resistant steel trays are premium choices for high-temperature and corrosive environments. They use the combined effect of chromium and nickel to boost heat and corrosion resistance.
    • Core Alloy Composition: Chromium (16%-25%), nickel (8%-20%), low carbon (≤0.08%). Common grades: 304, 316, 310S, 314.
    • Key Features: Temperature resistance: 600℃-1200℃ (310S grade up to 1200℃); excellent oxidation resistance (forms a dense Cr₂O₃ protective film); non-magnetic; good ductility and weldability.
    • Performance Highlights: Resists high-temperature corrosion from steam, sulfur dioxide, and weak acids; minimal thermal expansion and deformation; long service life in continuous high-temperature operations (≥5000 hours at 800℃).
    • Typical Applications: High-temperature sintering furnaces for electronic components; mineral processing roasting trays (copper, aluminum ore); stainless steel part heat treatment trays; glass and ceramic industrial kilns.

    3. Ferritic Chromium Heat-Resistant Steel Trays

    Ferritic chromium heat-resistant steel trays are cost-effective for medium-high temperature environments. They focus on oxidation resistance and thermal conductivity.
    • Core Alloy Composition: Chromium (11%-27%), low carbon (≤0.12%), little to no nickel. Common grades: 409, 430, 441.
    • Key Features: Temperature resistance: 550℃-850℃; excellent medium-temperature oxidation resistance; good thermal conductivity (higher than austenitic steel); lower cost than Cr-Ni austenitic steel.
    • Performance Highlights: Stable structure at high temperatures (no phase transformation); suitable for intermittent high-temperature operations; resistant to stress corrosion cracking in dry environments.
    • Typical Applications: Food processing industrial drying trays (dried fruits, grains); medium-temperature carbon steel part heat treatment trays; high-temperature equipment exhaust components; solar thermal power generation heat collection trays.

    4. Nickel-Based Heat-Resistant Steel Trays (Super Heat-Resistant)

    Nickel-based heat-resistant steel trays are ultra-high-temperature solutions for extreme industrial scenarios. They offer better heat and corrosion resistance than standard steel grades.
    • Core Alloy Composition: High nickel (30%-70%), plus chromium, molybdenum, tungsten, and cobalt. Common grades: Inconel 600, Incoloy 800H, Hastelloy X.
    • Key Features: Temperature resistance: 800℃-1400℃; exceptional creep resistance and thermal stability; excellent resistance to high-temperature corrosion (acids, alkalis, molten salts); high strength at extreme temperatures.
    • Performance Highlights: Maintains structural integrity during long-term ultra-high temperature use; minimal deformation even in harsh thermal cycling; suitable for the most demanding high-temperature processes.
    • Typical Applications: Aerospace component heat treatment trays; advanced ceramic ultra-high-temperature sintering; molten metal handling trays (aluminum, copper); petrochemical cracking furnace trays; nuclear power plant high-temperature components.

    5. Key Selection Criteria for Heat-Resistant Steel Trays

    To choose the right heat-resistant steel tray, match its features to your specific high-temperature conditions:
    • Operating Temperature: Medium (400℃-650℃) → Cr-Mo steel; Medium-high (550℃-850℃) → ferritic chromium steel; High (600℃-1200℃) → austenitic Cr-Ni steel; Ultra-high (≥800℃) → nickel-based steel.
    • Working Environment: Corrosive (acids, alkalis, steam) → austenitic Cr-Ni steel/nickel-based steel; Dry, neutral → ferritic chromium steel/Cr-Mo steel; Thermal cycling → austenitic Cr-Ni steel (good ductility).
    • Load Requirements: Heavy load at high temperature → nickel-based steel/austenitic Cr-Ni steel (high strength); Light-medium load → Cr-Mo steel/ferritic chromium steel.
    • Cost Budget: Cost-sensitive → ferritic chromium steel/Cr-Mo steel; High-performance needs → austenitic Cr-Ni steel; Extreme conditions → nickel-based steel.

    6. Maintenance Tips to Extend Heat-Resistant Steel Tray Life

    Proper maintenance greatly improves the performance and service life of heat-resistant steel trays in high-temperature operations. Follow these tips:
    • Gradual Heating/Cooling: Avoid rapid temperature changes to prevent thermal shock and cracking (especially for austenitic and nickel-based steel trays).
    • Regular Cleaning: Remove material residues, oxide scales, and corrosive substances after use. Use non-abrasive cleaners to avoid damaging the protective oxide film.
    • Wear Inspection: Check for deformation, cracking, and thickness reduction monthly. Replace trays when wear exceeds 20% of the original thickness or cracks are found.
    • Storage Protection: Store trays in dry, ventilated areas. Avoid stacking heavy objects to prevent permanent deformation; apply anti-rust oil for long-term storage (except austenitic stainless steel).

    Why Tailored Heat-Resistant Steel Trays Matter for Your Operation

    Mismatched heat-resistant steel trays cause frequent replacements, operational downtime, and higher costs. Tailored trays—designed for your specific temperature, environment, and load needs—ensure stable performance, extend service life, and maximize your high-temperature equipment investment return.
    Need help selecting the right heat-resistant steel tray for your heat treatment furnace, sintering kiln, or other high-temperature application? Share your operating conditions and requirements for a free customized recommendation!

    Read More

    19May, 2025
    Uncover the secrets of heat-resistant steel frames: Heat-resistant in the industrial field

    In the complex environment of industrial production, a high-performance load-bearing tool is essential. Today, I will introduce you to the good industrial product – heat-resistant steel frame.
    1. Product Overview
    The heat-resistant steel frame, from the appearance, adopts a regular frame structure with a unique hexagonal grid design inside. The whole is carefully made of heat-resistant steel, which is both sturdy and practical. The corners and joints of the frame are finely processed to ensure that the structure is stable and can reliably carry all kinds of items.
    2. Production process
    1. Steel selection and pretreatment: Select high-quality heat-resistant steel materials, which must have good high-temperature strength, oxidation resistance and other characteristics. Before the steel is put into production, it will undergo strict quality inspection and pretreatment, such as removing surface impurities and performing flaw detection.
    2. Cutting and forming: Use advanced cutting equipment to accurately cut the steel according to the designed size. Then, through forging, stamping and other processes, the steel is formed into the parts required for the frame, such as frames, grids, etc.
    3. Welding assembly: Use high-quality welding processes, such as argon arc welding, to accurately weld each molded component together to ensure that the weld is firm and uniform, without defects such as pores and cracks, and to ensure the overall structural strength of the material frame.
    4. Surface treatment: In order to further improve the performance and service life of the heat-resistant steel material frame, it will be surface treated, such as high-temperature anti-oxidation coating treatment, to enhance its anti-oxidation ability in high-temperature environments.
    III. Performance highlights
    1. Excellent high-temperature resistance: The heat-resistant steel material enables it to work stably in high-temperature environments, can withstand high temperatures such as above 1000°C, and is not easy to deform or damage in high-temperature operating scenes such as metallurgy and casting.
    2. High strength and deformation resistance: It has high strength and rigidity, can withstand large loads, is not easy to deform when carrying heavy objects, and ensures the safety of material transportation and storage processes.
    3. Anti-oxidation and corrosion resistance: Through special surface treatment and material characteristics, the heat-resistant steel material frame has good anti-oxidation and corrosion resistance, and can maintain good performance in environments with corrosive gases or chemical media.
    4. Reasonable structural design: The unique hexagonal grid design not only ensures the load-bearing capacity of the material frame, but also has good ventilation and heat dissipation, which is conducive to the storage and processing of materials.
    IV. Scope of application
    1. Metallurgical industry: In the production links such as steel smelting and non-ferrous metal smelting, it is used to hold high-temperature metal raw materials, semi-finished products, etc. It can stably carry under high temperature environment, which is convenient for the transportation and processing of materials.
    2. Casting industry: In the casting process, it is used to carry casting molds, sand molds, etc., and can withstand high temperature baking and frequent handling during the casting process to ensure the continuity of production.
    3. Heat treatment industry: In the heat treatment process of parts, as a carrying tool for parts, it can withstand high temperature for a long time in the heating furnace to ensure that the parts are placed stably during the heat treatment process.
    4. Mechanical processing industry: In the mechanical processing workshop, it is used to store and transport various parts. Its high strength and anti-deformation ability can protect the parts from damage.

    Heat-resistant steel material frame plays an important role in many industrial fields with its unique performance and reliable quality, and is an indispensable good helper in industrial production.

     

    15Jul, 2021
    Heat Treatment Base Trays Adopts Investment Casting

    Investment Casting Heat Treatment Base Trays

    Product: Heat Treatment Base Trays
    Dimensions have: 1200x800x50mm or according to mold
    Material Grade: 1.4848
    Min Order: 2 Piece
    Unit Weight: 8~700kgs
    Temperature up to: 1200℃
    Surface: Shot/Sand blasting
    Application: Auto, Precision Gear, Heat-treating industries, etc.
    Material: Heat Resistant Steel, Stainless Steel, etc.
    Standard: ANSI, ASTM, ASME, DIN, Jis, BS, EN, GB etc.
    Certificate: ISO, Material Certificates, SGS Certificate.
    Measurement inspection: 100 % self-inspection, 3rd party inspection available.

    Payment method: wire transfer,etc.
    Delivery time: 7-30 days / negotiable
    Production Capacity: 6000tons/ Year
    Port: Ship from Shanghai Port to the customer’s designated location.

    EB China is a professional manufacturer of heat-resistant steel trays and heat treatment fixtures. Our production processes include precision casting, investment casting, and so on.
    Mass production and export to foreign markets.There are a large number of standard molds that can meet customer product requirements and save high mold development costs for customers.

    Heat Treatment Base Tray Heat Treatment Base Tray

    Heat Treatment Base Trays Material Grade:
    Composition(%) C Si Mn Cr Ni S P Bal.
    1.4823
    GX40CrNiSi27-4    		 0.35~0.50 1.0~2.5 ≦1.50 25.0-28.0 3.5-5.5 ≦0.03 ≦ 0.035
    1.4825
    GX25CrNiSi18-9    		 0.15-0.30 1.0~2.5 ≦1.50 17.0-19.0 8.0-10.0 ≦0.03 ≦ 0.035
    1.4826
    GX40CrNiSi22-9    		 0.30-0.50 1.0~2.5 ≦1.50 21.0-23.0 9.0-11.0 ≦0.03 ≦ 0.035
    1.4832
    GX25CrNiSi20-14    		 0.15-0.30 1.0~2.5 ≦1.50 19.0-21.0 13.0-15.0 ≦0.03 ≦ 0.035
    1.4837
    GX40CrNiSi25-12    		 0.30-0.50 1.0~2.5 ≦1.50 24.0-26.0 11.0-14.0 ≦0.03 ≦ 0.035
    1.4848
    GX40CrNiSi25-20    		 0.30-0.50 1.0~2.5 ≦1.50 24.0-26.0 19.0-21.0 ≦0.03 ≦ 0.035
    1.4865
    GX40CrNiSi38-18    		 0.30-0.50 1.0~2.5 ≦1.50 17.0-19.0 36.0-39.0 ≦0.03 ≦ 0.035
    1.4857
    GX40CrNiSi35-25    		 0.30-0.50 1.0~2.5 ≦1.50 24.0-26.0 34.0-36.0 ≦0.03 ≦ 0.035
    1.4855
    GX30CrNiSiNb24-24    		 0.30-0.40 0.5-2.0 ≦1.50 23.0-25.0 23.0-25.0 ≦0.03 ≦ 0.035 Nb 1.2-1.8
    1.4849
    GX40CrNiSiNb38-18    		 0.30-0.50 1.0~2.5 ≦1.50 17.0-19.0 36.0-39.0 ≦0.03 ≦ 0.035 Nb1.2-1.8
    1.4852
    GX40CrNiSiNb35-25    		 0.35-0.45 1.0~2.5 ≦1.50 24.0-26.0 33.0-35.0 ≦0.03 ≦ 0.035 Nb0.8-1.8
    G-CoCr28 0.10-0.20 1.0~2.5 ≦1.50 27.0-30.0 – ≦0.03 ≦ 0.035 Co:18.0-52.0
    G-NiCr28W 0.35-0.50 0.5-2.0 ≦1.50 27.0-30.0 47.0-50.0 ≦0.03 ≦ 0.035 W 4.0-5.5
    Heat Treatment Base Trays Heat Treatment Base TraysHeat Treatment Base Trays
    Our Experience:
    1. Resistance to high temperature:Up to 1300℃:
    2. Rich Experience in design of trays & baskets to suit the specific working condition:
    3. A Iarge number of Existing Patterns of fixture for Standard, Famous Brand Heat treatment Furnaces:
    4. We can formulate various heat treatment trays according to customer work requirements and drawings:
    5. With our extensive experience and in-house designers we can offer you and your heat-treatment needs the ideal solutions:
    6. Our team provides you with good after sales service and good maintenance plan.

     

    Eternal Bliss Alloy Casting & Forging Co, Ltd.

    Caesar

    E-mail: sales@ebcastworld.com

    Our What’s app: 0086-130 930 23772

    www.ebcastworld.com

    Read More

    11Jul, 2021
    Heat Resistant Steel Tray for Industry Furnace

    Heat Resistant Steel Tray for Industry Furnace

    Heat Resistant Steel Tray patterns and designs used in all furnace types and hearth designs such as batch, continuous, pit & box.

    Specifications:
    • Product Name: Heat Resistant Steel Tray
    • Temperature up to: 1300℃
    • Minimum Order Quantity: 3 piece.
    • Unit Weight: 5~600kgs
    • Dimensions have: 1200*1500 or according to mold
    • Material: Heat Resistant Steel, Stainless Steel, etc.
    • Application: Auto, Precision Gear, Heat-treating industries, etc.
    • Standard: ANSI, ASTM, ASME, DIN, Jis, BS, EN, GB etc.
    • Certificate: ISO, Material Certificates, SGS Certificate.
    • Delivery time: 7-30 days / negotiable
    • Production Capacity: 6000tons/ Year
    • Packaging Details: Pallets or wooden box
    • Port: Ship from Shanghai Port to the customer’s designated location.
    • Surface: Shot/Sand blasting
    • Payment method: wire transfer,etc.

    Heat Resistant Steel Tray Process:
    precision casting/investment casting/sand casting/ machining and sand blasting/ Lost Wax Process & EPC process & Sand Process/ including machining process/ etc.

    Heat Resistant Steel Tray Measurement inspection:
    Mechanical properties testing, tensile strength, yield point, Non destructive inspection (NDT), magnetic particle inspection, dye penetrant test, ultrasonic, etc.
    100 % self-inspection. 3rd party inspection available.

    Various kinds of alloy, shapes, sizes round grids, square grids, multiple trays bolted together, reversible/non-reversible, cast-in or bolt-on shoes, pusher/puller sections, customized design for all type of furnace layouts.

    Heat Resistant Steel Tray Heat Resistant Steel Tray

    We offer a variety of Heat Treatment Jig products:
    Multy purpose furnace tray Stacking trays
    Base tray for heat treatment furnace Pusher Trays
    Batch Furnace Trays Batch skid trays
    Skid Hearth Trays Cast furnace tray
    Grids baskets for heat treatment fixtures Pit Furnace Trays
    lnvestment casting base tray Roller hearth trays
    Car Bottom Trays Tray Assemblies
    Heat Resistant Steel Tray Material Grade:
    Grade Nominal Chemical Composition(W%)
    Type C Mn
    Max    		 Si
    Max    		 P
    Max    		 S
    Max    		 Cr Ni Mo
    Max
    HF 19 Chromium,39 Nickel 0.20-0.40 2 2 0.04 0.04 18.0-23.0 8.0-12.0 0.5
    HH 25 Chromium,12 Nickal 0.20-0.50 2 2 0.04 0.04 24.0-28.0 11.0-14.0 0.5
    HI 28 Chromium,15 Nickal 0.20-0.50 2 2 0.04 0.04 26.0-30.0 14.0-18.0 0.5
    HK 25 Chromium,20 Nickal 0.20-0.60 2 2 0.04 0.04 24.0-28.0 18.0-22.0 0.5
    HE 29 Chromium,9 Nickal 0.20-0.50 2 2 0.04 0.04 26.0-30.0 8.0-11.0 0.5
    HT 15 Chromium,35 Nickal 0.35-0.75 2 2.5 0.04 0.04 15.0-19.0 33.0-37.0 0.5
    HU 19 Chromium,39 Nickal 0.35-0.75 2 2.5 0.04 0.04 17.0-21.0 37.0-41.0 0.5
    HW 12 Chromium,60 Nickal 0.35-0.75 2 2.5 0.04 0.04 10.0-14.0 58.0-62.0 0.5
    HX 17 Chromium,66 Nickal 0.35-0.75 2 2.5 0.04 0.04 15.0-19.0 64.0-68.0 0.5
    HC 28 Chromium, 0.5 Max 1 2 0.04 0.04 26.0-30.0 4.00 Max 0.5
    HD 28 Chromium,5 Nickal 0.5 Max 1 2 0.04 0.04 26.0-30.0 4.0-7.0 0.5
    HL 29 Chromium,20 Nickal 0.20-0.60 2 2 0.04 0.04 28.0-32.0 18.0-22.0 0.5
    HN 20 Chromium,25 Nickal 0.20-0.50 2 2 0.04 0.04 19.0-23.0 23.0-27.0 0.5
    HP 26 Chromium,35 Nickal 0.35-0.75 2 2.5 0.04 0.04 24.0-28.0 33.0-37.0 0.5

    Heat Resistant Steel Tray Heat Resistant Steel Tray

    EB China is professional Pit Furnace Trays, cast furnace trays,cast heat treatment basket, cast pit furnace fixture, cast fixtures, cast furnace fans,cast link belts, roller rails manufacturer. specialzes in producing all kinds of heat treatment fixtures used for heating processing equipment, like tray,basket,fan and so on.

    Can be customized according to your work needs If you have interest, please do not hesitate to contact me.
    Pls send the drawing,technical requirements to us by email.
    Looking forward to receiving your inquiry and reply.
    Thank you.

     

    Eternal Bliss Alloy Casting & Forging Co, Ltd.

    Caesar

    E-mail: sales@ebcastworld.com

    Our What’s app: 0086-130 930 23772

    www.ebcastworld.com

    Read More