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304 stainless steel round tube is an industrial pipe mainly composed of chromium nickel alloy, with a carbon content of ≤ 0.08%. The grades include 00Cr19Ni10 and S30408, and comply with multiple national standards such as GB9684-88, ASTM, JIS, etc.

• Core element: Chromium (Cr) 18% -20% → forms a dense oxide film to resist corrosion; Nickel (Ni) 8% -10.5% → enhances ductility and high-temperature stability.
• Low carbon control: Carbon (C) ≤ 0.08% (high-quality products can reach 0.03% -0.06%), significantly reducing the risk of intergranular corrosion.
• Harmful element restrictions: sulfur (S) ≤ 0.03%, phosphorus (P) ≤ 0.035%, to avoid thermal and cold brittleness.

• 304 (06Cr19Ni10):
• Standard type, suitable for general corrosion-resistant environments.
• 304L (022Cr19Ni10):
• Low carbon type, less prone to intergranular corrosion after welding, suitable for occasions with high welding requirements.
• 304H (07Cr19Ni10):
• High carbon type, better high temperature resistance, suitable for high temperature environments.

Industrial equipment and piping systems:

food and beverage, pharmaceutical, chemical, energy.

Architecture and structural engineering:

curtain wall support keel, fire sprinkler system, medical gas pipeline, coastal guardrail/handrail.

High end manufacturing and special equipment:

semiconductors, automobiles, aerospace, laboratory equipment.

It is strictly prohibited to use 304 pipes in working conditions: Seawater environment, Strong oxidizing acid, Stress corrosion.

Los proveedores de Wanzhi Steel Co., Ltd. ofrecen:

Customized solutions: customized length, inner diameter, wall thickness, production process.

Entrega oportuna: entrega rápida, tan rápida como en una semana.

Precios competitivos: descuentos por volumen disponibles para pedidos superiores a 10 toneladas.

Soporte logístico profesional: embalaje seguro para el océano con barrera de humedad y flejes de acero para evitar daños.

• We offer full customization options from DN6 to DN1200 (inner diameter accuracy ±0.1mm).
• We offer laboratory testing.
• Also support third-party on-site inspections.

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