Chemical Composition Element Content (wt. %) C ≤0.080 Si ≤2.00 Mn ≤1.00 P ≤0.040 S ≤0.030 Cr 23.0–28.0 Ni 2.5–5.0 Mo 1.0–2.0 N — Other Fe: Balance

Mechanical Properties Condition Tensile Strength Yield Strength (0.2%) Elongation Hardness Solution treated, reference ≥620 ≥450 ≥20 ≤293 HB

Chemical processing Marine equipment Oil and gas piping Heat exchangers Process vessels Corrosion-resistant structural components

Chemical Composition Element Content (wt. %) C ≤0.080 Si ≤2.00 Mn ≤1.00 P ≤0.040 S ≤0.030 Cr 23.0–28.0 Ni 2.5–5.0 Mo 1.0–2.0 N — Other Fe: Balance

Mechanical Properties Condition Tensile Strength Yield Strength (0.2%) Elongation Hardness Solution treated, reference ≥620 ≥450 ≥20 ≤293 HB

Chemical processing Marine equipment Oil and gas piping Heat exchangers Process vessels Corrosion-resistant structural components

329 Stainless Steel Seamless Pipe

Grade: 329/ S32900

Size:

Seamless: 6mm*1mm-720mm*50mm

Coiled: 4mm*0.5mm-32mm*3mm

Standard: ASTM A312, ASTM A213 etc.

Surface: No.1(Pickling), Bright(Polished)

329 Stainless Steel Pipe is a high-chromium duplex stainless steel developed for elevated strength and improved resistance to corrosion and stress corrosion cracking. Its alloy balance provides better chloride resistance than many conventional austenitic grades while maintaining useful fabrication characteristics. 329 pipe is used in chemical processing, marine equipment, oil and gas systems, heat exchangers, and demanding industrial applications where strength and corrosion resistance are important.

Chemical Composition