Polymet manufactures the highest quality wire in the world for both twin wire arc spray and flame spray operations. Polymet produces over 35 alloys for thermal spray applications. Below is a full list of Thermal Spray Wire Iron Base Hardfacing Alloys offered by Polymet.
PMET 223
Details
Characteristics and Composition
PMET 223 is a cored wire specifically designed for arc spray systems. It produces a hard, well bonded coating that is abrasive and corrosion resistant. PMET 223 can be easily machined with carbide tools, yielding a smooth, low coefficient of friction surface finish, suitable for a number of applications.
Equivalent to:
TAFA 98MXC
Rockwell Hardness 35-40 C Diameter (in)-1/16, (mm)-1.6
| Cr | Ni | C | Mn | Si | Mo | Fe |
|---|---|---|---|---|---|---|
| 26.0 | 3.0 | 1.7 | 1.6 | 1.6 | 0.8 | Bal |
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 290
Details
Characteristics and Composition
PMET 290 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 290 is used in a wide variety of high wear applications, anti-skid surfacing applications and corrosive environments.
Rockwell Hardness 60-65 C Diameter (in)-1/16, (mm)-1.6
PMET 296
Details
Characteristics and Composition
PMET 296 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 of up to 1700° F. High chrome like finishes can be obtained by typical grinding and lapping techniques. PMET 296 has found use in a wide variety of high wear applications, anti-skid surfacing applications, and corrosive environments.
Equivalent to:
TAFA 95MXC
Armacor 16
Rockwell Hardness 50-55 C Diameter (in)-1/16, (mm)-1.6
| Cr | Ni | Mo | B | Si | Cu | Mn | Fe |
|---|---|---|---|---|---|---|---|
| 23.0 | 6.0 | 3.5 | 2.5 | 2.0 | 2.0 | 1.0 | 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 |


