Land-based turbines and aerospace turbines endure the most extreme environments – which is why they demand the highest quality material. With Polymet wire, you can be sure that you are receiving the highest quality wire available for your extreme applications. For years we have been the industry trusted source for hardfacing, welding, and thermal spray wires. Our proprietary manufacturing processes produce top quality wire for applications such as gas turbine engine blades, cement plants, crusher rolls, gas turbine hot section components, structural components, gas turbine blades & vanes, combustors, and much more.
PRODUCTS FOR THIS MARKET
| PMET # | Trade Name | Specification | |
|---|---|---|---|
| PMET 811 | GTD 111 | B50A880 | |
| PMET 818 | Alloy 718 | AMS 5832, A5.14 ERNiFeCr-2 | |
| PMET 820 | Rene 220 | B50TF239, PCC 1-59-02.061 | |
| PMET 823 | GTD 222 | B50A940, B50TF311 | |
| PMET 838 | Inconel® 738 | B50TF250, PWA 1495 | |
| PMET 839 | Inconel® 939 | B50TF250, PWA1495 | |
| PMET 842 | Rene 142 | B50TF274, MSRR 9500/247 | |
| PMET 845 | C 242 | MSRR 9500/17 | |
| PMET 847 | Mar M 247 | EMS 55447 | |
| PMET 860 | Alloy 625 | AMS 5837, A5.14 ERNiCrMo-3 | |
| PMET 863 | C-263 | B50A783, AMS 5966 | |
| PMET 865 | Waspaloy® | AMS 5828, MSRR 9500/202 | |
| PMET 870 | Hastelloy® W | AMS 5786, A5.14 ERNiMo-3 | |
| PMET 875 | Hastelloy® X | AMS 5798, A5.14 ERNiCrMo-2 |
PMET 811
B50A880 – GTD 111® welding wire for gas turbine engine components
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 9.5 | 14 | 3.8 | 1.6 | 3 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 4.9 | 2.8 | 0.02 | 0.1 |
PMET 818
AMS 5832 – Inconel 718® welding wire for gas turbine engine components
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 18 | 19 | 3.05 | 0.5 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 5.1 | 0.9 | 0.05 |
PMET 820
B50TF239 – Rene 220® welding wire for gas turbine engine frames & casings.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 12 | 19 | 3.2 | 0.5 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 5.3 | 1 | 3.3 | 0.03 |
PMET 823
B50A940 – GTD 222® welding wire for gas turbine engine components.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 19 | 22.5 | 2 | 1.2 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 2.3 | 1 | 0.05 |
PMET 838
B50TF191 – Inconel 738® welding wire for gas turbine engine blades and vanes.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 8.5 | 16 | 2.6 | 1.8 | 3.4 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.9 | 3.4 | 1.8 | 0.06 | 0.7 |
PMET 839
B50TF250 – Inconel 939® welding wire for gas turbine engine blades & vanes.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 19 | 22.5 | 2 | 1.9 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 1 | 3.7 | 1.4 | 0.1 | 0.15 |
PMET 845
MSRR 9500/17 – C 242 welding wire for gas turbine engine vanes.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 10 | 20.5 | 10.3 | 0.3 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.3 | 0.3 |
PMET 863
B50A783 – Hastelloy C-263® welding wire for gas turbine engine frames & casings.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
PMET 865
AMS 5828 – Waspaloy ® welding wire for gas turbine engine casings.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 13.5 | 19.5 | 4.2 | 1.4 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 3.1 | 0.07 | 0.06 |
PMET 870
AMS 5786 – Hastelloy W® welding wire for gas turbine engine hot section components.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 5.5 | 5 | 24.5 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
PMET 875
AMS 5798 – Hastelloy X® welding wire for gas turbine engine combustors.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Bal | 1.5 | 18.5 | 21.8 | 0.6 | 9 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.1 |
| PMET # | Trade Name | Specification |
|---|---|---|
| PMET 905 | L-605 (Alloy 25) | AMS 5796, MSRR 9500/23 |
| PMET 906 | Alloy 6 | AMS 5788, MSRR 9500/19, A5.21 ERCoCr-A |
| PMET 912 | Alloy 12 | MSRR 9500/228, A5.21 ERCoCr-A |
| PMET 913 | Alloy 12H | MSRR 9500/15 |
| PMET 914 | FSX 414 | B50A823 |
| PMET 918 | Mar M 918 | B50A824, AMS 5814 |
| PMET 921 | Alloy 21 | AMS 5385, A5.21 ERCoCr-E |
| PMET 931 | Alloy 31 | AMS 5789, MSRR 9500/25 |
| PMET 972 | Merl 72 | PWA 795, MSRR 9500/248 |
| PMET 980 | T-800® | B50TF193, DMR 34.071 |
| PMET 988 | Alloy 188 | AMS 5801 |
| PMET 994 | CM 64 | B50TF55, PWA 694, MSRR 9500/226, DMR 34.070 |
PMET 905
AMS 5796 – L 605® welding wire for gas turbine hot section components.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| 10 | Bal | 20 | 15 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 1.5 | 0.1 |
PMET 906
AMS 5788 welding wire for pump shafts, pump sleeves, and valve seats.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| BAL | 28.5 | 4.8 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 1.2 |
PMET 912
MSRR 9500/228 – Alloy 12 welding wire for hardfacing of lumber saw blades and cutting tools.
Details
Characteristics and Composition
PMET 912 is a solid cobalt 12 wire. PMET 912 has excellent resistance to many forms of chemical and mechanical degradation over a wide temperature range. PMET 912 attributes are its anti-galling properties, abrasion and corrosion resistance, and oxidation resistance up to its melting range. It can be applied to all weldable steels, including stainless steels.
Specifications
- MSRR 9500/225
- AWS A5.21 ERCoCr-B
Deposit Characteristics
- Abrasion Resistance – High
- Impact Resistance – High
- Corrosion Resistance – High
- Hardness – HRC 43-47
- Hot Wear Hardness – High
Applications
- Saw teeth
- Ball mill guide rollers
- Chipping knives
- Digester rotary feeder
- Burner tips
- Turbine blades
- Sewage, rendering, and oil extraction screws
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| BAL | 2.5 | 29 | 8 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 1.5 |
| Rockwell Hardness |
|---|
| 44-50 C |
PMET 913
MSRR9500/115 – Alloy 12 H welding wire for gas turbine engine components.
Details
Characteristics and Composition
PMET 913 is a high carbon cobalt based version of cobalt alloy 12 that has been forged into small diameter wire using Polymet’s patented hot extruded wire process. PMET 913 attributes are its anti-galling properties and increased abrasion resistance while maintaining similar properties to the alloy #12. It can be applied to all weldable steels, including stainless steels.
Specifications
- MSRR 9500/15
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| BAL | 28.5 | 9 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 1.9 |
| Rockwell Hardness |
|---|
| 45-54 C |
PMET 914
B50A823 – FSX 414 LC Welding wire for nozzle guide vane repair of land-based gas turbines
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
PMET 918
B50TF824, AMS5814, Turbaloy® 918, Mar M 918 welding wire for gas turbine vanes.
Details
Characteristics and Composition
PMET 918 (Turbaloy® 918) is a cobalt-based high temperature alloy. Chromium and nickel are major alloying elements. It is used to repair parts that have endured severe thermal cycling.
Specifications
- AMS 5814
- Mar M 918
- B50A824
Typical Deposit Characteristics
- Excellent high temperature strength
- Galling resistant
Applications
- Gas turbine engine components
- Casting repair
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| 20 | BAL | 20 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 7.5 | 0.07 |
PMET 921
AMS 5835 – Alloy 21 welding wire for gas turbine components.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| 2.75 | BAL | 27 | 5.6 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.3 |
| Rockwell Hardness |
|---|
| 25-35 C |
PMET 931
AMS 5789 – Alloy 31 welding wire for gas turbine engine blades.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| 10.5 | BAL | 25.3 | 7.5 | 0.7 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.7 | 0.51 |
| Rockwell Hardness |
|---|
| 21-57 C |
PMET 972
PWA 795 – Merl 72® welding wire for gas turbine engine blades.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| 15 | BAL | 20 | 9 | 4.4 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.2 | 3 | 0.35 | 1.5 |
PMET 980
B50TF193 – Tribaloy® T-800 welding wire for gas turbine engine blades.
Details
Characteristics and Composition
PMET 980 (Tribaloy® T-800) is a solid hardfacing wire consisting of cobalt, molybdenum, chromium, and silicon. PMET 980 attains its oxidation, corrosion, and galling resistance from its hard laves phase which is dispersed in a softer solid solution eutectic.
Specifications
- B50TF193
- DMR 34.071
Mechanical Properties
- Tensile strength – less than 70,000 PSI
- Elongation – Nil
- Hardness – 52-62 HRC
Applications
- PMET 980 has found acceptance in a number of applications where galling, abrasion, oxidation, and corrosion are a problem. Applications include pump shaft sleeves, computer hard drives, gas turbine blade shrouds and bases.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| BAL | 17.5 | 28.8 | 3.5 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
PMET 988
AMS 5801 – HS 188® welding wire for gas turbine engine hot section components.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| 22 | BAL | 3 | 22 | 15 | 0.4 |
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| 0.1 | 1.1 |
PMET 994
B50TF55 – PWA 694 – CM64 welding wire for gas turbine engine blades.
Details
Characteristics and Composition
PMET 994 (PWA 694) is a solid cobalt hardfacing wire. PMET 994 provided high strength and stability at temperatures up to 2100° F. Deposits of PMET 994 have outstanding resistance to wear, erosion, creep, thermal fatigue, and oxidation.
Specifications
- PWA 694
- B50TF55
- MSR 9500/226
- DMR 34.070
Typical Deposit Characteristics
- Abrasion Resistance – Good
- Corrosion Resistance – Good
- Erosion Resistance – Good
- Impact Resistance – Fair-poor
- Hardness – 47-54 HRC
Applications
- Gas turbine blades – shroud interlocking surface and other sites of wear.
| Ni | Co | Fe | Cr | W | Mo | Al | Si |
|---|---|---|---|---|---|---|---|
| Mn | Nb | Ti | Ta | Zr | C | Other | |
|---|---|---|---|---|---|---|---|
| Rockwell Hardness |
|---|
| 47-54 C |
PMET 226
Details
Characteristics and Composition
PMET 226 is a cored wire specifically designed for arc spray systems. It produces a hard, well bonded coating that is abrasive and corrosion resistant. PMET 226 can be easily machined with carbide tools, yielding a smooth, low coefficient of friction surface finish, suitable for a number of applications.
Equivalent to:
Sulzer Metco 8222
Rockwell Hardness 55-60 HRC Diameter (in)-1/16, (mm)-1.6
| Cr | Si | C | Mn | Fe |
|---|---|---|---|---|
| 28.0 | 1.0 | 5.0 | 1.0 | Bal |
PMET 270
Details
Characteristics and Composition
PMET 270 is a cored wire specifically designed for arc spray systems. It produces a partially amorphous, hard, abrasive and corrosion resistant coating, with a service environment up to 1600 degrees F. High chrome like finishes can be obtained by typical grinding and lapping techniques. PMET 270 has found use in a wide variety of high wear applications, anti-skid surfacing applications, and corrosive environments. The addition of 9% nickel gives it greater corrosion resistance than PMET 273 for most environments.
Equivalent to:
TAFA 90 MXC
Rockwell Hardness 45-50 C Diameter (in)-1/16, (mm)-1.6
| Cr | Ni | Mo | B | Cu | Mn | Si | Fe |
|---|---|---|---|---|---|---|---|
| 23.0 | 9.0 | 4.0 | 2.3 | 2.0 | 1.3 | 1.0 | Bal |
PMET 273
Details
Characteristics and Composition
PMET 273 is a cored wire specifically designed for arc spray systems. It produces a partially amorphous, hard, abrasive and corrosion resistant coating, with a service environment up to 1700° F. High chrome like finishes can be obtained by typical grinding and lapping techniques. PMET 273 is used in a wide variety of high wear applications, anti-skid surfacing applications and corrosive environments.
Equivalent to:
TAFA 95 MXC
Armacor M
Rockwell Hardness 55-60 C Diameter (in)-1/16″ (1.6mm)
| Cr | B | Mn | Si | Fe |
|---|---|---|---|---|
| 29.0 | 3.7 | 1.7 | 4.6 | Bal |
PMET 297
Details
Characteristics and Composition
PMET 297 is a cored wire specifically designed for arc spray systems. It is a titanium and tungsten carbide alloy in an amorphous matrix. PMET 297 produces a hard, abrasion and corrosion resistant coating, with a service environment of up to 1000° F. PMET 297 is used in a wide variety of industrial high wear applications.
Equivalent to:
TAFA 97 MXC
Sulzer Metco Duocor
Rockwell Hardness 60-65 C Diameter (in)-1/16, (mm)-1.6
| WC | Cr | TiC | Ni | B | Si | Fe |
|---|---|---|---|---|---|---|
| 26.0 | 13 | 6.0 | 6.0 | 2.0 | 1.0 | Bal |
PMET 877
Details
Characteristics and Composition
PMET 877 is specifically designed for spraying in arc spray and flame spray systems. It produces well-bonded coatings with excellent machineability. PMET 877 has good corrosion resistance, especially in sea water and caustic environments.
Equivalent to:
TAFA 70T
Rockwell Hardness 80-85 B Diameter (in)-1/16, 1/8, (mm)-1.6, 3.2
| Cu | Mn | Fe | Ni |
|---|---|---|---|
| 31.0 | 31.0 | 1.7 | Bal |
PMET 889
Details
Characteristics and Composition
PMET 889 is a nickel chrome titanium wire specifically designed for arc spraying. It produces dense, well-bonded coatings with excellent corrosion resistance and good wear resistance. It is highly resistant to sulfur and vanadium atmospheres up to 1825° F. It has proven to be particularly effective as a protective arc spray coating for boiler tubes in black liquor recovery boilers and coal fired utility boilers.
Equivalent to:
TAFA 45 CT
Rockwell Hardness 30-35 C Diameter (in)-1/16, (mm)-1.6
| Cr | Ti | Ni |
|---|---|---|
| 43.0 | 0.7 | 56.3 |
