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Stellite
Cobalt base Alloy can resist against various kinds of abrasion,corrosion,high-temperature oxidation with offering high hardness and hot hardness, excellent high-temperature strength and thermal fatigue resistance and high shock resistance.
Most used to making as the sparts which need working under anti-abrasion, anti-corrosion,anti-grain, metal abrasion, anti- high temperature,anti-high impaction working environment.
Main products: Cobalt Bare welding sticks, Cobalt-base alloy Welding Powder , Cobalt-base Electrode welding rods, Cobalt-base Precision Casting and wrought alloys. Application ：stellite alloy valve inserts, pressure cap and oil equipment parts etc.
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Brand Abroad |
Metal No: |
Nominal Chemical Composition(W%) |
HRC |
Application |
Reference |
||||||||
|
C |
Cr |
Si |
Ni |
W |
Fe |
Mn |
Mo |
Co |
|||||
|
Shield 1 |
Co101 |
2.50 |
29.00 |
1.00 |
≤3.00 |
13.00 |
≤3.00 |
≤1.00 |
≤1.00 |
Bal |
50-60 |
rotating sealing ring ,gouge type bearing sleeve, drill head, valve seats etc |
AWS A5.21 ERCoCr-C |
|
Shield 3 |
Co103 |
2.40 |
30.00 |
1.00 |
≤3.00 |
13.00 |
≤3.00 |
≤1.00 |
≤1.00 |
Bal |
50-56 |
wearing panel of cracker blade, work rest of center-less grinding machine, valve seat, etc |
AWS A5.21 ERCoCr-C |
|
Shield 4 |
Co104 |
1.00 |
32.00 |
1.00 |
≤3.00 |
14.00 |
≤1.00 |
≤0.50 |
≤0.50 |
Bal |
45-50 |
hot pressing die of copper-aluminum alloys, hot extruding die, dry cell die, etc |
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|
Shield 6 |
Co106 |
1.15 |
29.00 |
1.00 |
≤3.00 |
4.50 |
≤3.00 |
≤1.00 |
≤1.00 |
Bal |
40-46 |
motor spiracle, high temperature and high-pressure valve sealing surface, turbine blade, etc |
AWS A5.21 ERCoCr-A |
|
Shield 8 |
Co108 |
0.20 |
28.00 |
1.00 |
2.25 |
-- |
≤3.00 |
≤1.00 |
6.50 |
Bal |
30-35 |
steam turbine blade, copper casting die, extruding die, etc. |
|
|
Shield 12 |
Co112 |
1.40 |
29.00 |
1.20 |
≤3.00 |
8.00 |
≤3.00 |
≤1.00 |
≤1.00 |
Bal |
44-50 |
high-temperature and high pressure valve, shear edge, sawteeth, spiral push rod, etc |
AWS A5.21 ERCoCr-B |
|
Shield 19 |
Co119 |
3.30 |
26.00 |
0.90 |
≤1.00 |
14.00 |
≤2.50 |
≤1.00 |
≤1.00 |
Bal |
≥54 |
drill head in petroleum industry |
AWS A5.21 ERCoCr-G |
|
Shield 20 |
Co120 |
2.50 |
32.00 |
1.20 |
≤3.00 |
17.00 |
≤3.00 |
≤0.50 |
≤1.00 |
Bal |
55-59 |
rotating sealing ring ，high-pressure valve seat, wearing panel. etc |
AWS A5.21 ERCoCr-E |
|
Shield 21 |
Co121 |
0.20 |
27.00 |
1.00 |
≤3.00 |
0.50 |
≤2.00 |
≤1.50 |
5.50 |
Bal |
20-42 |
various liquid valves, valve seats, water turbine blade, hot forging die, etc |
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|
Shield 25 |
Co125 |
0.05 |
20.00 |
1.00 |
10.00 |
15.00 |
≤2.00 |
≤1.50 |
≤1.00 |
Bal |
≤24 |
high-temperature and corrosion-resistant valve sealing surface, seamless pipe head, pressure casting dies, etc. |
|
|
Shield 31 |
Co131 |
0.45 |
26.00 |
1.00 |
10.00 |
7.00 |
≤3.00 |
≤1.00 |
≤1.00 |
Bal |
30-35 |
ubrass casting dies, extruding dies, steam turbine blade, etc. |
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|
Shield 32 |
Co132 |
1.80 |
25.00 |
1.00 |
22.00 |
12.00 |
≤1.35 |
≤0.50 |
≤1.00 |
Bal |
40-45 |
the in/outlet valve sealing surface of internal combustion engines. |
AWS A5.21 ERCoCr-F |
|
Shield 37 |
Co137 |
2.00 |
33.00 |
1.10 |
24.00 |
5.00 |
≤1.35 |
≤1.00 |
-- |
Bal |
44-50 |
pre-protection and repair of saw teeth, shear blade, spiral push rods, etc. |
|
|
Shield T-400 |
Co140 |
0.08 |
8.50 |
2.60 |
1.50 |
-- |
≤1.50 |
≤1.00 |
28.00 |
Bal |
50-60 |
valve and roller path, plastic extruder in strongly corrosive media, etc. |
|
|
Shield 50 |
Co150 |
0.12 |
28.00 |
1.00 |
-- |
-- |
21.00 |
≤1.00 |
-- |
Bal |
-- |
Comparatively good high temperature corrosion- and fatigue-resistance |
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|
Shield T-800 |
Co180 |
0.08 |
18.00 |
3.50 |
≤1.50 |
-- |
≤1.50 |
≤1.00 |
28.00 |
Bal |
52-56 |
valve and roller path, plastic extruder in strongly corrosive media, etc. |
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|
Brand Abroad |
Metal No: |
Nominal Chemical Composition(W%) |
HRC |
Application |
||||||||
|
C |
Cr |
W |
Si |
Fe |
Mo |
Mn |
Ni |
Co |
||||
|
Shield ED1 |
EDCo101 |
2.10 |
29.00 |
14.00 |
1.00 |
5.00 |
1.00 |
2.00 |
3.00 |
Bal |
50 |
rotating sealing ring, gouge type bearing, sleeves, valve seat, cutter edge, etc |
|
Shield ED6 |
EDCo106 |
1.00 |
29.00 |
4.50 |
1.00 |
5.00 |
1.00 |
2.00 |
3.00 |
Bal |
40 |
high temperature and high-pressure valve , hot shear blade, turbine blade, etc |
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Shield ED12 |
EDCo112 |
1.40 |
29.00 |
8.50 |
1.00 |
5.00 |
1.00 |
2.00 |
3.00 |
Bal |
44 |
high-temp and high pres valves, shear edge, saw teeth, spiral push rod, etc |
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Shield ED21 |
EDCo121 |
0.20 |
27.00 |
-- |
1.00 |
5.00 |
5.00 |
2.00 |
3.00 |
Bal |
20 |
high-temp and high-pres valve, water turbine blade, hot forging die, etc |
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Shield ED25 |
EDCo125 |
0.10 |
20.00 |
15.00 |
0.80 |
5.00 |
1.00 |
2.00 |
10.00 |
Bal |
22 |
high-temperature and corrosion-resistant valve sealing surface seamless pipe socket,, pressure casting dies, etc. |
|
Brand Abroad |
Metal No: |
Nominal Chemical Composition(W%) |
Application |
|||||||
|
C |
Si |
Cr |
Mo |
Mn |
Fe |
Ni |
Co |
|||
|
Shield 21MB2 |
Co121MB2 |
0.35 |
1.00 |
28.00 |
6.00 |
1.00 |
0.75 |
1.00 |
Bal |
Medicine using ,casting bar, etc |
|
Shield 25B |
Co125B |
0.10 |
1.00 |
20.00 |
1.00 |
2.00 |
2.00 |
10.00 |
Bal |
used where fatigue-, intermetal wear-resistance |
|
Brand Abroad |
Metal No: |
Nominal Chemical Composition(W%) |
HRC |
Application |
Reference Standard |
|||||||
|
C |
Cr |
W |
Si |
Fe |
Mo |
Ni |
Co |
|||||
|
Shield 1Z |
Co101 |
2.50 |
29.00 |
12.00 |
1.00 |
3.00 |
1.00 |
3.00 |
Bal |
50-56 |
valve seat and bearing sleeve, etc |
|
|
Shield 3Z |
Co103 |
2.50 |
30.00 |
12.50 |
1.00 |
3.00 |
1.00 |
3.00 |
Bal |
51-58 |
pump shaft sleeve, rotating sealing ring, wear-resistance gasket, bearing bush , plastics extruder gasket. |
|
|
Shield 4Z |
Co104 |
0.90 |
32.00 |
14.00 |
1.00 |
1.00 |
0.50 |
0.50 |
Bal |
45-59 |
hot pressing and hot extruding copper/aluminum alloy die, zinc-plating equipment bearing, cell die ,etc |
|
|
Shield 6Z |
Co106 |
1.20 |
29.00 |
4.50 |
1.50 |
3.00 |
1.50 |
3.00 |
Bal |
39-43 |
steam and chemical valve seats. |
AMS 5387C-01 UNS R30006 |
|
Shield 12Z |
Co112 |
1.60 |
29.00 |
8.00 |
1.50 |
2.50 |
1.00 |
3.00 |
Bal |
47-51 |
hot extruding die ,zinc-plating equipment bearing, etc. |
|
|
Shield 20Z |
Co120 |
2.50 |
32.00 |
17.00 |
1.00 |
2.50 |
1.00 |
2.50 |
Bal |
55-59 |
pump shaft sleeve, rotating sealing ring, wear-resistance gasket, bearing bush , plastics extruder gasket. |
|
|
Shield 21Z |
Co121 |
0.25 |
27.00 |
-- |
1.00 |
3.00 |
5.50 |
2.75 |
Bal |
32 |
steam turbine blade ,brass casting die ,hot extruding die |
AMS 5385G-99 UNS R30021 |
|
Shield 31Z |
Co131 |
0.50 |
25.50 |
7.50 |
1.00 |
2.00 |
0.50 |
10.50 |
Bal |
30-35 |
steam turbine blade, shaft sleeve and hot extruding die, etc |
AMS 5382H-00 UNS R30031 |
|
Shield 33Z |
Co133 |
2.30 |
33.00 |
17.50 |
1.00 |
2.00 |
-- |
1.00 |
Bal |
52-56 |
high-temperature wearing parts and food processing industry |
|
|
Shield T800Z |
Co180 |
0.10 |
18.00 |
-- |
0.30 |
Ni+Fe: |
28.50 |
-- |
Bal |
54-58 |
valve gate, valve board and plastic extruder gasket |
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|
Brand Abroad |
Metal No: |
Nominal Chemical Composition(W%) |
HRC |
Application |
||||||||
|
C |
Cr |
W |
Si |
Fe |
Mo |
Mn |
Ni |
Co |
||||
|
Shield 1F |
Co101F |
2.50 |
31.00 |
12.50 |
1.00 |
3.00 |
1.00 |
0.25 |
3.00 |
Bal |
48～54 |
repair and pre-protection of spiral push rods, rotating sealing rings, drill head, etc. |
|
Shield 6F |
Co106F |
1.10 |
29.00 |
4.00 |
1.10 |
3.00 |
1.00 |
0.50 |
3.00 |
Bal |
36～43 |
repair and pre-protection of spiracle, valve seats, blade and spiral push rods, etc. |
|
Shield 12F |
Co112F |
1.40 |
29.50 |
8.25 |
1.45 |
3.00 |
1.00 |
1.00 |
3.00 |
Bal |
42～49 |
pre-protection of cutter and blade, outlet valve sealing surface , etc. |
|
Shield 20FB |
Co120FB |
2.50 |
32.50 |
17.00 |
1.20 |
3.00 |
1.00 |
0.50 |
3.00 |
Bal |
55～60 |
pre-protection of valve seats,blade,wering panel, rotating sealing ring, etc. |
|
Shield 32F |
Co132F |
1.80 |
26.00 |
12.00 |
1.10 |
3.00 |
0.60 |
0.50 |
3.00 |
Bal |
38～44 |
pre-protection of outlet valve sealing surface and valve seat of internal combustion engines. |
|
Shield 58F |
Co158F |
0.90 |
26.00 |
5.50 |
1.80 |
3.00 |
0.50 |
0.20 |
3.00 |
Bal |
40～46 |
repair and pre-protection of high-pressure valve sealing surface ,outlet valve of internal combustion engine, etc. |
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Factory Address：NO.8 Wangming Road, Haowang industrial zone, Wenjiang district, Chengdu,Sichuan,China.
