253MA Stainless Steel Retort For Annealing Furnace
As a dedicated manufacturer of 253MA stainless steel retorts for annealing furnaces, we design and fabricate high-temperature heat treatment components for long-life performance in harsh operating environments.
253MA (UNS S30815) is a superior heat-resistant stainless steel engineered for extreme thermal conditions. Its advanced austenitic structure, together with carefully balanced chromium, silicon, and rare earth additions, ensures outstanding oxidation resistance, creep strength, and structural stability under continuous thermal cycling.
Thanks to its excellent high-temperature metallurgical properties, 253MA retorts perform reliably in annealing and rotary furnace systems. They are ideally suited for applications with operating temperatures above 550°C, and deliver industry-leading durability within the 850–1100°C working range—where ordinary stainless steels fail.
These retorts resist carburization, scaling, and deformation, providing significant benefits for continuous heat treatment operations:
- Longer service life
- Reduced maintenance downtime
- Improved process efficiency and safety
At SEATHER, we supply custom-engineered furnace retorts to match your exact dimension, thickness, and design requirements. Whether you require standard replacement units or fully customized rotary kiln retort assemblies, we ensure precision fabrication, superior welding quality, and global logistics support.
We are committed to delivering high-performance stainless steel furnace components that exceed your expectations in strength, consistency, and cost-efficiency.
Your Trusted 253MA Stainless Steel Retort For Annealing Furnace Manufacturer In China
Custom rotary kiln fabrication is one of our core capabilities. Fabricating stainless steel and nickel based alloy kilns, our projects consist of large capital projects with thousands of kilns, as well as routine maintenance and one set order.
Our factories and fabrication facilities are filled with highly skilled craftsmen, kiln fitters, kiln fabricators, kiln welders with excellent safety and quality performance records. We take great pride in not only meeting, but exceeding our customers’ expectations in all areas, including performance, design, logistics, schedule, delivery and cost.
253MA Stainless Steel Retort For Annealing Furnace Specifications
| Product Name | 253MA Stainless Steel Retort For Annealing Furnace |
| Raw Materials | 253MA/UNS S20815/1.4835 |
| Size | 114mm to 5000mm Diameter (Welded, Fabricated), Customized or according to your drawing |
| Samples | Sample available |
| Tolerance | +/-5mm to +/-0.005mm |
| Testing Equipment | CMM; Tool microscope; multi-joint arm; Automatic height gauge; Manual height gauge; Dial gauge; Marble platform; Roughness measurement |
| Logo | Custom logo available |
| Surface Treatment | Anodizing, Passivation, Polishing, Plating, Painting, Black Oxide, Powder Coating, Brushing, Heat Treatment, Surface Phosphating, Hot Dip Galvanizing, More Surface Treatment, etc. |
| Color | Silver, black, gold, red, green, blue, purple, etc |
| File Formats | UG, SolidWorks, Pro/E, AutoCAD (DXF, DWG), PDF, TIF, JPG, etc |
| Services | OEM/ODM, Engineering&Design Consulting, Assembly, Finishing, Materials Sourcing, Custom Packaging Services, etc |
| Quality System | ISO9001, SGS, TUV |
253MA Stainless Steel Retort For Annealing Furnace Chemical Composition
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Mo |
| 253MA/S30815 | ASTM A240 | 0.05-0.10 | 1.4-2.0 | ≤0.80 | ≤0.040 | ≤0.030 | 20.00-22.00 | 10.00-12.00 | – |
253MA Stainless Steel Retort For Annealing Furnace Applications & Usages
Widely used in metallurgy, chemical industry, building materials, refractory materials, environmental protection and other fields. For example, in the purification of mineral metal powder, it can provide a high-temperature, uniform and controllable calcination environment for metal powder to improve the purity of the metal; in the production of lithium batteries, it can be used for high-temperature sintering of materials such as lithium iron phosphate.
253MA Stainless Steel Retort For Annealing Furnace Production Process
1. Material Selection & Preparation
– Grade:253MA Stainless Steel (UNS S30815)
– Properties:
– High-temperature oxidation resistance (up to 1100°C)
– Excellent corrosion resistance in reducing and oxidizing environments
– High strength at elevated temperatures
– Raw Material Procurement:
– Sheets, plates, or pipes of S30815 stainless steel
– Additional alloying elements (if customization is required)
– Cutting & Pre-processing:
– Plasma cutting, laser cutting, or water jet cutting
– Edge preparation for welding
2. Forming & Rolling
– Rolling the Shell:
– Cold or hot rolling to form the cylindrical kiln body
– Precision control to ensure uniform thickness
– Flange & Structural Components:
– End flanges, tire rings, and support rollers are prepared
– Forging or casting depending on load requirements
3. Welding & Heat Treatment
– Welding Process:
– TIG (GTAW) / MIG (GMAW) / SAW (Submerged Arc Welding) for structural strength
– Heat-resistant nickel-based filler material (e.g., ER310 or Inconel-based fillers)
– Pre-heating and post-weld treatment to avoid intergranular corrosion
– Solution Annealing (If Required):
– Heat treatment, followed by rapid cooling
– Restores corrosion resistance and mechanical properties
4. Machining & Surface Finishing
– Precision Machining:
– CNC machining for trunnion, roller paths, and supporting structures
– Surface finishing for dimensional accuracy and friction control
– Pickling & Passivation:
– Removal of welding scales and oxides
– Restores stainless steel’s protective chromium oxide layer
5. Assembly & Quality Control
– Assembly:
– Installing support rollers, gears, and drive systems
– Thermal expansion allowances checked
– Inspection & Testing:
– NDT (Non-Destructive Testing): Ultrasonic or X-ray tests for weld integrity
– Dimensional Accuracy: Checking roundness, concentricity, and alignment
– Surface Hardness & Corrosion Tests
6. Coating & Final Installation
– Protective Coatings (if needed):
– High-temperature ceramic coatings to enhance oxidation resistance
– Anti-corrosion coatings for specific chemical environments
– On-site Installation & Commissioning
– Alignment & Balancing
– Initial heating and performance trials
Your Reliable 253MA Stainless Steel Retort For Annealing Furnace Manufacturer In China
253MA Stainless Steel Retort For Annealing Furnace: The Ultimate Guide
When you choose to buy 253MA Stainless Steel Retort For Annealing Furnace, there have some important points we need to know before we get started.
What are 253MA Stainless Steel Retorts For Annealing Furnace?
253MA (UNS S30815) is a superior heat-resistant stainless steel engineered for extreme thermal conditions. Its advanced austenitic structure, together with carefully balanced chromium, silicon, and rare earth additions, ensures outstanding oxidation resistance, creep strength, and structural stability under continuous thermal cycling.
Thanks to its excellent high-temperature metallurgical properties, 253MA retorts perform reliably in annealing and rotary furnace systems. They are ideally suited for applications with operating temperatures above 550°C, and deliver industry-leading durability within the 850–1100°C working range—where ordinary stainless steels fail.
These retorts resist carburization, scaling, and deformation, providing significant benefits for continuous heat treatment operations.
How do 253MA Stainless Steel Retort For Annealing Furnace work?
Using the gravity of the material and the rotation of the kiln body, the material enters the kiln body from the feed end, and tumbles and mixes continuously as the kiln body rotates. At the same time, the heating device provides heat to the kiln, so that the material gradually heats up and undergoes a chemical reaction. After high-temperature calcination and melting, the clinker is discharged from the discharge end.
Features of 253MA Stainless Steel Retort For Annealing Furnace
Engineers pick 253MA rotary kiln tube furnaces because they work well in tough spots. In a macro-TG reactor, 253MA is used for the main cylinder. This setup has careful heat controls and gas systems. The metal’s heat and rust resistance keep the reactor safe and steady.
The 253MA rotary kiln tube furnace has many good points:
- It stays strong at high heat, even when heating and cooling quickly.
- Its great rust resistance keeps it safe from scaling and chemicals.
- Its heat resistance lets it run nonstop in hard jobs.
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