329 stainless steel, is austenitic + ferritic duplex stainless steel, standard is AISI, ASTM, model number is 329, UNS number is S32900.
329 Stainless Steel:
Name: Austenitic Stainless Steel
Standard: AISI、ASTM
Grade: 329
UNS No.: S32900
329 Chemical Composition:
C: ≤0.08
Mn: ≤1.00
Si: ≤0.75
Cr: 23.0~28.0
Ni: 2.0~5.0
P: ≤0.04
S: ≤0.03
Mo: 1.0~2.0