

20mm Thick Stainless Steel Plate
20mm thick stainless steel plate is a typical hot rolled heavy plate used in industrial and structural applications. It is commonly supplied in widths from 1000mm to 2000mm and lengths from 2000mm to 6000mm or customized sizes. With strong load-bearing capacity and excellent corrosion resistance depending on grade, it is widely used in pressure vessels, construcción naval, maquinaria pesada, and large-scale engineering structures.
Consulta Rápida
- Descripción
20mm thick stainless steel plate belongs to heavy hot rolled stainless steel plate. It is widely used in structural engineering, equipo de presion, fabricación de maquinaria, and heavy industrial applications due to its high strength, rigidity, and excellent load-bearing capacity.
Unlike thin stainless steel sheets, 20mm plates are mainly produced through hot rolling processes and are supplied in standard or customized cut sizes depending on project requirements.
Standard Thickness Category
20mm stainless steel plate is part of the heavy plate range:
- Thin plate: 0.3mm – 3.0mm (laminado en frio)
- Medium plate: 3mm – 12mm (laminado en caliente)
- Heavy plate: 12mm – 100mm+ (laminado en caliente)
👉 20mm belongs to heavy hot rolled stainless steel plate
Common Standard Widths
Hot rolled stainless steel plates are usually produced in wide slab formats and then cut into standard widths.
Typical widths include:
| Espesor | Common Widths (milímetros) |
|---|---|
| 20milímetros | 1000 milímetros |
| 20milímetros | 1219 milímetros |
| 20milímetros | 1500 milímetros |
| 20milímetros | 1800 milímetros |
| 20milímetros | 2000 milímetros |
In heavy industrial supply, wider plates (arriba a 2500 mm or customized widths) are also available.
Common Standard Lengths
Length is often flexible and can be cut according to project requirements.
Typical lengths include:
| Espesor | Common Lengths (milímetros) |
|---|---|
| 20milímetros | 2000 milímetros |
| 20milímetros | 2438 milímetros (8 pies) |
| 20milímetros | 3000 milímetros |
| 20milímetros | 6000 milímetros |
Longer plates (arriba a 12000 milímetros) can be produced for large engineering structures.
Typical Supply Forms
20mm stainless steel plates are generally supplied in:
- Hot rolled plate (Superficie nº1)
- Cut-to-size plate
- Rough machined plate
- Annealed condition
- Pickled surface condition
Common Edge Types
Depending on processing requirements:
- Mill edge (standard hot rolled edge)
- Sheared edge (cut to size)
- Flame cut edge (heavy fabrication use)
- CNC cut edge (componentes de precisión)
Weight Reference (Approximation)
For 20mm stainless steel plate:
- Densidad: ~7.93 g/cm³
- Weight formula: thickness × width × length × density
Example reference:
- 20mm × 1500mm × 6000mm ≈ 1416 kg per piece (aprox.)
Common Applications of 20mm Stainless Steel Plate
Due to its thickness and strength, 20mm stainless steel plate is widely used in heavy-duty industries:
- Pressure vessel shells
- Tanques de almacenamiento de químicos
- Shipbuilding structural parts
- Bridge and construction supports
- Heavy machinery base plates
- Mining equipment components
- Offshore platform structures
- Boiler and heat exchanger shells
- Nuclear and power plant components
- Industrial mold bases
Common Stainless Steel Grades for 20mm Plate
Heavy stainless steel plates are commonly available in:
- 304 / 304l
- 316 / 316l
- 321
- 310S
- 2205 dúplex
- 2507 súper dúplex
- 410 / 420 / 430 (special structural use)












