Plaque laminée à chaud en acier inoxydable
Stainless steel hot rolled plates are available in a wide range of grades, y compris austénitique, ferritique, martensitique, duplex, and high-alloy stainless steels. The most commonly used grades are 304, 316L, 430, 410, 420, et 2205, depending on corrosion resistance, force, et exigences de candidature. Hot rolled plates are widely used in industrial and structural fields where strength and durability are more important than surface finish precision.
- Description
Stainless steel hot rolled plate is produced by rolling stainless steel at high temperatures above the recrystallization point. This process allows the material to be formed in thicker dimensions and provides good mechanical strength, making it widely used in structural, industriel, and heavy-duty applications.
Compared with cold rolled sheets, hot rolled stainless steel plates are typically thicker, have a slightly rougher surface finish, and are more suitable for fabrication and engineering use.
Common Grades of Stainless Steel Hot Rolled Plate
Stainless steel hot rolled plates are available in a wide range of grades depending on corrosion resistance, force, et exigences de candidature.
1. Nuances d'acier inoxydable austénitique
These are the most widely used stainless steels due to excellent corrosion resistance and formability.
| Grade | Caractéristiques clés | Applications typiques |
|---|---|---|
| 201 | Lower nickel, rentable, résistance modérée à la corrosion | Pièces structurelles, usage décoratif |
| 304 / 304L | Excellente résistance à la corrosion, versatile | Équipement alimentaire, réservoirs chimiques, construction |
| 316 / 316L | Improved chloride resistance with molybdenum | Marin, chimique, offshore equipment |
| 321 | Stabilisé au titane, good high-temperature resistance | Échangeurs de chaleur, systèmes d'échappement |
2. Nuances d'acier inoxydable ferritique
Ferritic grades provide good corrosion resistance and are magnetic.
| Grade | Caractéristiques clés | Applications typiques |
|---|---|---|
| 430 | Bonne résistance à la corrosion, faible coût | Panneaux décoratifs, appareils |
| 409 | Résistant à la chaleur, qualité automobile | Systèmes d'échappement |
| 439 | Soudabilité et résistance à la corrosion améliorées | Échangeurs de chaleur, pièces automobiles |
3. Nuances d'acier inoxydable martensitique
These grades are heat-treatable and known for strength and hardness.
| Grade | Caractéristiques clés | Applications typiques |
|---|---|---|
| 410 | Basic hardenable stainless steel | Pièces mécaniques, arbres |
| 420 | High hardness and wear resistance | Cutting tools, blades |
| 431 | High strength and improved corrosion resistance | Marine shafts, pump parts |
| 440C | Very high hardness and wear resistance | Bearings, precision tools |
4. Nuances d'acier inoxydable duplex
Duplex stainless steels combine high strength and excellent corrosion resistance.
| Grade | Caractéristiques clés | Applications typiques |
|---|---|---|
| 2205 | Balanced strength and corrosion resistance | Réservoirs chimiques, plateformes offshore |
| 2507 | Super duplex, very high corrosion resistance | Systèmes d'eau de mer, huile & gaz |
5. High-Alloy / Special Stainless Grades
These are used in extreme environments requiring superior corrosion resistance.
| Grade | Caractéristiques clés | Applications typiques |
|---|---|---|
| 904L | High nickel and molybdenum content | Strong acid environments |
| 254 Nous | Excellent pitting resistance | Systèmes d'eau de mer, desalination |
| 1.4529 / Alliage 926 | High corrosion resistance in harsh chemicals | Traitement chimique |
Surface Condition of Hot Rolled Stainless Steel Plate
Hot rolled stainless steel plates are typically supplied with:
- Finition n°1 (laminé à chaud, recuit, pickled surface)
- Rough industrial surface
- Optional cut-to-size or polished surface
- Optional sandblasting or grinding treatment
Common Applications of Stainless Steel Hot Rolled Plate
Stainless steel hot rolled plates are widely used in heavy-duty industries:
- Appareils à pression
- Réservoirs de stockage de produits chimiques
- Structures de construction navale
- Industrial machinery frames
- Construction steel structures
- Heat exchanger shells
- Oil and gas equipment
- Mining and heavy equipment components
- Systèmes de production d'énergie
- Structural support plates
