Stainless & Specialty Steel

ATI produces a wide variety of stainless and specialty steels known for their excellent corrosion and heat resistance. These steel alloys are used in a broad range of applications including, aerospace and defense, chemical processing industry, oil and gas, electrical energy, medical, automotive, food equipment and appliance, construction, mining, transportation and electronics.

ProductUNS Number
ATI 255™S32550
ATI 2003®S32003
ATI 2102®S82011
ATI 2205™S31803/S32205
ATI 2304™S32304
Zeron® 100*S32760
ProductUNS Number
ATI 18CrCb™S44100
ATI 409 Cb™S41045
ATI 409HP™S40900/S40910/S40920/S40930
ATI 410S™S41008
ATI 412™S41003
ATI 430 Ti™S43036
ATI 430™S43000
ATI 433™S44500
ATI 436S™...
ATI 439 HP™S43035
ATI 441 HP™S44100
ATI 444™S44400
OHMALOY® 30K91470
OHMALOY® 40K91670
ProductUNS Number
ATI 403™S40300
ATI 410™S41000
ATI 418 SPL™S41800
ATI 420™S42000
ATI 440A™S44002
ATI 440C™S44004
ATI 455™S45500
ProductUNS Number
AM 350® / AM 350®-MILS35000
ATI 13-8 Supertough®S13800
ATI 13-8™S13800
ATI 15-5™S15500
ATI 15-7™S15700
ATI 17-4™S17400
ATI 17-7™S17700
ATI S240®S11900
ProductUNS Number
AL-6XN PLUS®N08367
ATI 20™N08020
ATI 31™N08031
ATI 904L™N08904
ProductUNS Number
AL 29-4C®S44735