Chromalloy
Designation
Manufacturer's
Specifications
Type Current Applications
        ELECTRON BEAM PHYSICAL VAPOR DEPOSITION OVERLAY COATINGS
RT-31* PNCP 52535
LHP 5602
CoNiCrAIY Oxidation and corrosion resistance for Ni and Co base alloys
RT-33* PNCP 52535
F50TF73 BC71
RPS 686
EPS 10710
EPS 10711
TLV 504 005
LHP 5602
Yttria Stabilized Zirconia Thermal barrier for Ni and Co base alloys. Application does not include bond coating, which can be MCrAIY or aluminides or combination
RT-270* PWA 270
EPS 10710
LHP 5602
EPS 10556
PNCP 52535
NiCoCrAIY Oxidation and corrosion resistance for Ni and Co base alloys
    PWA 266 Yttria stabilized
Zirconia on MCrAIY
bond coat
Thermal barrier for Ni and Co base alloys. Application includes MCrAIY bond coating
        LOW PRESSURE AND AIR PLASMA SPRAY COATINGS
  RT-100 PWA 276 NiCoCrAIY Oxidation and hot corrosion resistance for Ni base alloys
  RT-122   CoNiCrAIY Oxidation and hot corrosion resistance for Ni and Co base alloys
  RT-141   FeCrAIY Hot corrosion and oxidation resistance for Ni and Co base alloys
  RT-175   Yttria Stabilized Zirconia Thermal barrier coating. Requires LPPS applied bond coating
    PWA 75-1 Ni-Graphite Abradable or sheer coating applied by flame spraying
    PWA 264 Yttria Stabilized Zirconia Thermal barrier coating with LPPS applied bond coating
    PWA 265 Yttria Stabilized Zirconia Thermal barrier coating with air plasma sprayed bond coat
    PWA 286 NiCoCrAIYSiHf Oxidation and hot corrosion resistance for Ni base alloys
    F50TF51* CoNiCrAIY Oxidation and hot corrosion resistance
    F50TF53 PBC 22* MCrAIY Hot corrosion and oxidation resistance for Ni and Co base alloys
    F50TF74 BC62* MCrAIY and TBC Plasma spray thermal barrier coating with LPPS bond coat
    F50TF76 BC64* Yttria Stabilized Zirconia Thermal barrier coating. Application includes LPPS bond coating
    TLV 511 003
TLV 504 005
MCrAIY LPPS stand alone coating or as a bond coat for thermal barrier coating system
    EMS52510 Yttria Stabilized Zirconia Thermal barrier coating. Requires LPPS applied bond coating
        PACK CEMENTATION COATINGS
  RT-5   Chromizing Hot corrosion resistance for Ni and Fe base alloys
  RT-19 (UC) ES 9-276
PWA 252
TLV 504 001
Aluminide Oxidation resistance for Co base alloys
  RT-21® PWA 273
TLV 504 001
EMS52460
Aluminide Oxidation resistance for Ni base alloys
  RT-573 PWA 73 Silicon Aluminide Oxidation resistance for Ni base alloys
        GAS PHASE COATINGS
  RT-5* F50TF82
PWA 70
Chromizing Hot corrosion resistance for Ni base alloys
  RT-69* TLV 504 004
F50TF68
PWA 275
EPS 10041
Aluminide Oxidation resistance for Ni and Co base alloys
        NOBLE METAL COATINGS
  RT-22®* F50TF59
PDS83275
PWA 36095
EMS52463
ES 9-275
EPS 10043
EPS 10042
Platinum Aluminide Hot corrosion and oxidation for Ni base alloy
  RT-23®   Palladium/Chromium/ Aluminide Low temperature corrosion/sulfidation resistance for Ni and Co base alloys
  RT-24 ES 9-275 Cobalt Platinum Aluminide Hot corrosion and oxidation resistance for Ni and Co base alloys
  RT-44® ES 9-311
PDS83262
Platinum/Rhodium Aluminide Hot corrosion and oxidation resistance for Co bas alloys
        SLURRY/BRUSH/SPRAY APPLIED COATINGS
  RT-9
PWA 545
PWA 596
Aluminide
Aluminide
Silicon Aluminide
Special cases and patch coating for Ni and Co base alloys
Special cases and patch coating for Ni and Co base alloys
Special cases and patch coating for Ni and Co base alloys
        CHEMICAL VAPOR DEPOSITION COATINGS
  RT-42   Silicon Carbide Oxidation resistance for carbon/carbon and ceramic composites to 3100°F
  RT-42A   High Silicon
Silicon Carbide
Oxidation resistance for carbon/carbon and ceramic composites to 2550°F
  RT-43   Boron/Silicon Carbide Oxidation resistant undercoat

       *Denotes NADCAP Coatings Accreditation