409-30 Stainless Steel Dual stabilized with Titanium and Columbium (Cb) or Niobium (Nb). Stainless Steel Types: 409 Stainless Steel 409 ULTRA FORM® SS 409 Ni (Nickel Modified) Stainless Steel 409 AL (Aluminized) Stainless Steel 409-30 Stainless Steel 409L Stainless Steel 439 Stainless Steel 439 ULTRA FORM® SS 439 AL (Aluminized) Stainless Steel 18 Cr-Cb Stainless Steel 441 Stainless Steel
