Power Generation

Land based turbines, gas turbine, 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 plant, crusher rolls, gas turbine hot section components, structural components, gas turbine blades and vanes, combustors and much more.

PRODUCTS FOR THIS MARKET

Nickel Based Hardfacing & Welding Cobalt Based Hardfacing & Welding Thermal Spray Wire

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 5835, 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 #	Competitor equivalents	Description
PMET 226	Metco 8222	HCr Carbide
PMET 270	Tafa 90MXC	Amorphous Alloy
PMET 273	Tafa 95 MXC	Fe Cr B Si
PMET 297	Duocor	Tungsten Carbide
PMET 887	Tafa 76MXC	Ni Cr Al Y
PMET 889	Tafa 45CT	Ni Cr Ti

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

1-888-POLYMET

1-513-874-3586

sales@polymet.us

7397 Union Centre Blvd.

West Chester, OH 45014

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