Classification of Stainless Steel Pipes

Seamless Pipe

Produced by hot piercing or extrusion, suitable for high pressure

Welded Pipe

Made from stainless steel strip or plate, economical and widely available

• Round Pipe (most common)

• Square Tube

• Rectangular Tube

Typical square / rectangular sizes:

• Square: 20×20, 40×40, 50×50 mm

• Rectangular: 40×20, 100×50 mm

Industrial Pipe

Chemical, power plants, pressure systems

Decorative Tube

Handrails, railings, furniture

Structural Tube

Steel structures, frames

Sanitary Tube

Food & pharmaceutical

Precision Tube

Instrumentation, hydraulic

Heat Exchanger Tube

Boilers, condensers

Size: DN6-508mm

Thickness: 0.5mm to 30mm

Application: 

Construction & Decoration

• Handrails

• Balustrades

• Doors & windows

• Curtain walls

Grades: 201 / 304
Thickness: 0.6–1.5 mm

Industrial Pipelines

• Chemical transport

• Steam

• Compressed air

• Oil systems

Grades: 304 / 316L
Thickness: 2–8 mm

Chemical & Energy Industry

• Acid / alkali media

• High temperature & pressure systems

Grades: 316L / 2205
Thickness: 3–20 mm

Food & Pharmaceutical

• Milk

• Beverage

• Pharmaceutical liquids

Grades: 304 / 316L
Sanitary polished interior

Boiler & Heat Exchanger

Grades:

• 321

• 310S
  
  

Machinery & Automotive

• Hydraulic pipes

• Shafts

• Sleeves

Grades: 304 / alloy stainless

Quick Selection Guide

• Decorative use → 304 thin wall

• Food & pharma → 316L sanitary tube

• Chemical systems → Thick-wall seamless

• High temperature → 321

• Severe corrosion → Duplex 2205