Details of 304 precision seamless steel pipe

304 precision seamless steel pipe is a high-accuracy, smooth-surfaced pipe made from 304 stainless steel. It is commonly used in industries that demand tight dimensional tolerances and superior surface quality, such as chemical processing, food and beverage, pharmaceuticals, electronics, aerospace, and machinery manufacturing. As a widely used austenitic stainless steel, 304 offers excellent corrosion resistance and good workability, making it ideal for various structural and piping applications.

Key Features of 304 Precision Seamless Steel Pipe

Excellent Corrosion Resistance: 304 stainless steel resists corrosion effectively in humid, atmospheric, and chemical environments.

High Dimensional Precision: Produced with strict control over diameter and wall thickness tolerances to meet demanding precision standards.

Superior Surface Finish: Smooth inner and outer surfaces help minimize contamination and improve fluid flow.

Reliable Mechanical Properties: High strength and toughness make it suitable for high-pressure or high-load conditions.

High Temperature Resistance: Maintains performance at temperatures up to 870°C continuously and up to 925°C briefly.

Oxidation & Chemical Resistance: Excellent resistance to acid, alkali, and oxidative environments.

Applications of 304 Precision Seamless Steel Pipe

Chemical Industry: Used in pipelines, heat exchangers, and pressure vessels for transporting corrosive substances.

Food & Beverage: Meets hygiene standards for fluid transport in production lines.

Pharmaceuticals: Ideal for clean, non-reactive drug delivery systems and processing equipment.

Machinery Manufacturing: Applied in producing high-precision components and assemblies.

Aerospace: Used in structural parts, cooling lines, and fluid transport systems requiring strength and corrosion resistance.

Automotive Industry: Common in exhaust systems, cooling circuits, and fuel lines.

Manufacturing Process of 304 Precision Seamless Steel Pipe

Material Selection: High-quality 304 stainless steel coils or strips are selected for consistent composition and performance.

Hot Rolling / Cold Drawing: Pipes are formed via cold drawing or hot rolling; cold drawing ensures tighter dimensional tolerances.

Annealing: Removes internal stress and restores corrosion resistance and mechanical integrity.

Precision Machining: Further refinement of diameter, wall thickness, and length to meet precision-grade specifications.

Inspection & Testing: Includes surface checks, dimensional verification, and non-destructive testing (e.g., ultrasonic or X-ray) to ensure product quality.

Specifications of 304 Precision Seamless Steel Pipe

Outer Diameter: Typically ranges from 6mm to 325mm; custom sizes available for special applications.

Wall Thickness: Commonly between 0.3mm and 20mm, depending on application and production process.

Length: Standard lengths are 6 meters; customized lengths available on request.

Advantages of 304 Precision Seamless Steel Pipe

High Dimensional Accuracy: Precision fabrication supports use in exacting applications.

Strong Corrosion Resistance: Suitable for long-term use in aggressive environments.

Thermal Stability: Retains mechanical integrity under elevated temperatures.

Excellent Workability: Supports welding, bending, and cutting without compromising performance.

Factors Influencing Market Price

Raw Material Costs: Fluctuations in the prices of alloying elements like nickel and chromium directly affect production costs.

Market Demand: Price is influenced by demand trends across industries such as chemical, food, and pharmaceutical.

Production Method: Cold drawing involves higher equipment and precision costs than hot rolling.

Pipe Specifications: Non-standard dimensions, such as small diameters or thick walls, typically command higher prices due to increased manufacturing complexity.

Logistics Costs: Shipping distance and quantity impact the final delivery cost.