Proveedor de barras de acero inoxidable 304L

Descripción

304L Stainless Steel Round Bar

Overview

304L stainless steel round bar is a low-carbon variation of 304 acero inoxidable, offering excellent corrosion resistance, weldability, and formability. Its low carbon content minimizes carbide precipitation during welding, making it ideal for use in high-temperature environments where welding is required.

304L is widely recognized for its versatility and cost-effectiveness, making it one of the most commonly used stainless steel grades in various industries.

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Key Features of 304 Stainless Steel Bar

• Low Carbon Content (L = Low Carbon): Minimizes intergranular corrosion after welding.

• Excelente resistencia a la corrosión: Performs well in a wide range of environments including acids, chlorides, and atmospheric conditions.

• Superior Weldability: Suitable for all standard welding techniques without the need for post-weld annealing.

• Good Formability and Machinability: Easy to cut, form, and fabricate for industrial or architectural needs.

• Non-magnetic in Annealed Condition: May become slightly magnetic after cold working.

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Available Types of 304L Stainless Steel Bars

Forma	Size Range (mm)	Opciones de finalización
Barra redonda	6 mm - 500 mm	Hot Rolled, Cold Drawn, Polished
Barra cuadrada	10mm × 10mm – 100mm × 100mm	Mill, Bright, Polished
Barra plana	Thickness 3mm – 100mm	Pickled, Brushed, Mirror
Barra hexagonal	8mm – 100mm across flats	Smooth, Turned, Ground

Chemical Composition (Typical Values)

Elemento	Composición (%)
Carbono (c)	≤ 0.030
Manganeso (MN)	≤ 2.00
Silicio (Si)	≤ 1.00
Fósforo (P)	≤ 0.045
Azufre (s)	≤ 0.030
Cromo (CR)	18.0 - 20.0
Níquel (NI)	8,0 – 12,0
Nitrógeno (N)	≤ 0.10

Propiedades mecánicas

Propiedad	Valor
Resistencia a la tracción	≥ 485MPa
Resistencia al rendimiento (0.2%)	≥ 170MPa
Alargamiento	≥ 40%
Dureza (Brinell)	≤ 201 HB
Densidad	8.0 g/cm³

Especificaciones estándar

• ASTM A276 / A479

• ASME SA479

• EN 10088-3

• JIS G4303

• DIN 1.4307

Tamaños disponibles

• Diameter Range: 6 mm - 500 mm

• Longitud: 1 meter to 6 meters or custom lengths upon request

• Finalizar: Cold drawn, peeled, polished, bright, black, or custom

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Aplicaciones de 304L Stainless Steel Bar

• • Industria de alimentos y bebidas: Tanks, processing equipment, piping

  • Industria química y petroquímica: Vessels, valves, and fittings

  • Medical and Pharmaceutical Industry: Cleanroom equipment, surgical tools

  • Construction and Architecture: Decorative structures, railing systems

  • Aplicaciones marinas: Piers, fasteners, offshore structures

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Comparación con otras calificaciones de acero inoxidable

Calificación	Tipo	Dureza (HRC)	Resistencia a la corrosión	Fortaleza	Soldadura	Magnético
17-4 pH	PH martensítico	28–44 (HT)	★★★★ ☆	★★★★★	★★★★ ☆	✅ Sí
304	Austenítico	≤ 20	★★★★ ☆	★★ ☆☆☆	★★★★★	❌ No
316	Austenítico	≤ 20	★★★★★	★★ ☆☆☆	★★★★★	❌ No
420	Martensítico	50–55	★★ ☆☆☆	★★★★ ☆	★★ ☆☆☆	✅ Sí
440c	Martensítico	55–60	★★ ☆☆☆	★★★★★	★★ ☆☆☆	✅ Sí

✅ = magnético | ★★★★★ = Excelente

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