Stainless Steel Seamless Pipe

Carbon Steel Welded Pipe

Stainless steel seamless pipes are a type of steel pipe made from high-quality stainless steel without any welding seams. They are widely used in industries requiring high strength, corrosion resistance, and durability. Stainless steel seamless pipe is widely used in commercial and industrial fields, especially fluid transportation. It has superior performance in high pressure, high strength, and corrosion resistance. That is used in applications where high-temperature strength and superior corrosion resistance and critical.

Main Alloying Elements

Chromium (Cr)

(10–30%)
Essential for corrosion resistance

Nickel (Ni)

(0–20%)
Stabilizes the austenitic structure

Molybdenum (Mo)

(0–6%)
Boosts pitting/crevice corrosion resistance

Carbon (C)

(0.02–1.2%)
Increases strength but reduces weldability

Manganese (Mn)

(0–10%)
Improves hot workability

Silicon (Si)

(0–2%)
Increases oxidation resistance at high temperatures.

Nitrogen (N)

(0–0.3%)
Enhances strength and corrosion resistance

Titanium (Ti)

(0–1%)
Prevents intergranular corrosion by stabilizing carbon

Advantages

Seamless Structure: No weak points from welding, ideal for high-pressure applications.
Corrosion Resistance: Suitable for harsh environments (chemical, marine, oil & gas).
High Strength & Durability: Withstands extreme temperatures and pressures.
Smooth Surface: Reduces friction, ideal for fluid/gas transport.

Standards & Certifications

ASTM A312

(Seamless/welded pipes for high-temp service).

ASTM A213

(Stainless tubing for general corrosion resistance).

ASME A269

(Pressure vessel applications).

Common Applications

Oil & Gas: Drilling, pipelines, refineries.
Chemical Processing: Acid/alkali transport.
Power Plants: Boiler tubes, heat exchangers.
Automotive/Aerospace: Hydraulic systems, exhausts.
Food & Pharma: Hygienic, non-reactive material.