| Nickel Alloy 188 High Lights |
| Standard Inventory |
- UNS R30188, AMS 5772
- AMS 5608, B50TF74
|
| Common Trade Names |
- Udimet Alloy 188
- Haynes 188 Alloy
- ATI 188
|
| Other Industry Standards |
- PWA-LCS, GE Aviation S-SPEC-35 AeDMS S-400
- GE Aircraft Engine (GT193), RR SABRe Edition 2
- DFARS Compliant
|
| 188 Inventory Size Ranges |
- Coil: 0.020"- 0.080"
- Sheet: 0.020"- 0.080"
- Bar: 0.375" - 3.000"
|
| Processing |
Boring, Precision Rerolling, Deburring, Edging |
| Measuring |
Laser Gauge Measurement, Ultrasonic Testing |
| Common Applications of 188 |
- Gas turbine operations, Liners
- Combustors, Transition ducts
- Flame holders, Exhaust frames
|
|
Get HS 188 Alloy as per Standards Click Here
|
Table of Content
High Temperature Strength HAYNES® 188 Alloy Supplier in India, Refer Chemical Composition
HAYNES® 188 Alloy Chemical Composition
| Element |
Min |
Max |
| Tungsten |
13.0 |
15.0 |
| Lanthanum |
0.03 |
0.12 |
| Boron |
-- |
0.015 |
| Carbon |
0.05 |
0.15 |
| Chromium |
21.0 |
23.0 |
| Nickel |
20.0 |
24.0 |
| Manganese |
-- |
1.25 |
| Silicon |
0.20 |
0.50 |
| Phosphorus |
-- |
0.02 |
| Sulfur |
-- |
0.015 |
| Iron |
-- |
3.0 |
| Cobalt |
Bal. |
B50TF74 Impact Strength Properties
| Test Temperature |
Typical Charpy V-Notch Impact Resistance |
| °F |
°C |
ft.-lbs |
J |
| 70 |
20 |
143 |
194 |
| 1000 |
540 |
117 |
159 |
| -300 |
-185 |
116 |
158 |
| -150 |
-100 |
131 |
178 |
| 1300 |
705 |
107 |
145 |
SAE HS-188 High-Temperature Hardness
| Temperature |
6B |
230® |
25 |
188 |
556® |
| Vickers Hardness |
Rockwell Hardness |
Vickers Hardness |
Rockwell Hardness |
Vickers Hardness |
Rockwell Hardness |
Vickers Hardness |
Rockwell Hardness |
Vickers Hardness |
Rockwell Hardness |
| °F |
°C |
DPN |
HR C/BW |
DPN |
HR C/B |
DPN |
HR C/BW |
DPN |
HR C/BW |
DPN |
HR C/BW |
| 72 |
RT |
374 |
38.2 C |
195 |
92.0 BW |
285 |
27.8 C |
248 |
21.8 C |
203 |
93.6 BW |
| 800 |
427 |
269 |
25.5 C |
142 |
77.3 BW |
171 |
86.7 BW |
170 |
86.3 BW |
132 |
73.0 BW |
| 1000 |
538 |
247 |
21.8 C |
139 |
76.0 BW |
160 |
73.3 BW |
159 |
83.0 BW |
129 |
71.1 BW |
| 1200 |
649 |
225 |
97.5 BW |
132 |
73.0 BW |
150 |
80.0 BW |
147 |
77.2 BW |
118 |
66.5 BW |
| 1400 |
760 |
153 |
81.0 BW |
125 |
70.0 BW |
134 |
73.7 BW |
129 |
70.7 BW |
100 |
55.0 BW |
| 1600 |
871 |
91 |
- |
75 |
- |
93 |
- |
89 |
- |
67 |
- |
| 1800 |
982 |
55 |
- |
42 |
- |
52 |
- |
49 |
- |
41* |
- |
Key Features of Haynes 188
- Excellent High-Temperature Strength
- Exceptional Oxidation Resistance
- Superior Sulfidation
- Good Fabricability & Weldability
- Excellent Ductility
- Wear & Galling Resistance
Buy Oxidation Resistant Udimet® 188 Nickel Based Alloy At Best Price With Density 8.98 g/cm³
Udimet® 188 Nickel Based Alloy Physical Properties
| Physical Properties |
°F |
British Units |
°C |
Metric Units |
| Density |
72 |
0.324 lb./in.(3) |
22 |
8.98 g/cm(3) |
| Incipient Fusion
Temperature |
2375-
2425 |
- |
1302-
1330 |
- |
| Electrical
Resistivity |
70 |
39.6 microhm-in. |
21 |
1.01 microhm-m |
| Magnetic Permeability
(Room Temperature) |
1.01 at 200 oersteds (15,900 A/m) |
Haynes 188 Mean Coefficient of Thermal Expansion
| Properties |
°C |
Metric Units |
°F |
British Units |
| Mean Coefficient
of Thermal
Expansion |
21 to -200 |
9.7 X 10(-6)m/m-K |
70 to -400 |
5.4 microin./in.-°F |
| 21 to -129 |
10.4 X 10(-6)m/m-K |
70 to -200 |
5.8 microin./in.-°F |
| 21 to -18 |
11.2 X 10(-6)m/m-K |
70-0 |
6.2 microin./in.-°F |
| 21-38 |
11.5 X 10(-6)m/m-K |
70-100 |
6.2 microin./in.-°F |
| 21-93 |
11.9 X 10(-6)m/m-K |
70-200 |
6.6 microin./in.-°F |
| 21-204 |
12.6 X 10(-6)m/m-K |
70-400 |
7.0 microin./in.-°F |
| 21-316 |
13.3 X 10(-6)m/m-K |
70-600 |
7.4 microin./in.-°F |
| 21-427 |
14.0 X 10(-6)m/m-K |
70-800 |
7.8 microin./in.-°F |
| 21-538 |
14.8 X 10(-6)m/m-K |
70-1000 |
8.2 microin./in.-°F |
| 21-649 |
15.5 X 10(-6)m/m-K |
70-1200 |
8.6 microin./in.-°F |
| 21-760 |
16.2 X 10(-6)m/m-K |
70-1400 |
9.0 microin./in.-°F |
| 21-871 |
16.9 X 10(-6)m/m-K |
70-1600 |
9.4 microin./in.-°F |
| 21-982 |
17.8 X 10(-6)m/m-K |
70-1800 |
9.9 microin./in.-°F |
| 21-1093 |
18.5 X 10(-6)m/m-K |
70-2000 |
10.3 microin./in.-°F |
Thermal Conductivity of Nickel Alloy 188
| Properties |
°C |
Metric Units |
°F |
British Units |
| Thermal
Conductivity |
38 |
10.8 W/m-K |
100 |
75 Btu-in/ft²-hr-°F |
| 204 |
14.4 W/m-K |
400 |
100 Btu-in/ft²-hr-°F |
| 316 |
16.1 W/m-K |
600 |
112 Btu-in/ft²-hr-°F |
| 427 |
18.0 W/m-K |
800 |
125 Btu-in/ft²-hr-°F |
| 538 |
19.9 W/m-K |
1000 |
138 Btu-in/ft²-hr-°F |
| 649 |
21.9 W/m-K |
1200 |
152 Btu-in/ft²-hr-°F |
| 760 |
24.1 W/m-K |
1400 |
167 Btu-in/ft²-hr-°F |
Super Alloy Haynes 188 Thermal Diffusivity
| Physical Properties |
°C |
Metric Units |
°F |
British Units |
| Thermal
Diffusivity |
300 |
3.9 x 10(-6)m²/s |
572 |
0.006 in²/sec |
| 400 |
3.9 x 10(-6)m²/s |
752 |
0.006 in²/sec |
| 500 |
4.5 x 10(-6)m²/s |
932 |
0.007 in²/sec |
| 600 |
4.5 x 10(-6)m²/s |
1112 |
0.007 in²/sec |
| 765 |
5.2 x 10(-6)m²/s |
1409 |
0.008 in²/sec |
| 900 |
5.2 x 10(-6)m²/s |
1652 |
0.008 in²/sec |
| 1100 |
5.8 x 10(-6)m²/s |
2012 |
0.009 in²/sec |
HS 188 Alloy Creep and Stress-Rupture Strength
| Temperature |
Creep |
Approximate Initial Stress to Produce Specified Creep in |
| 10 h |
100 h |
1,000 h |
10,000 h |
| °F |
°C |
% |
ksi |
MPa |
ksi |
MPa |
ksi |
MPa |
ksi |
MPa |
| 1300 |
704 |
0.5 | 41 | 283 | 28 | 193 | 18* | 124* | - | - |
| 1 | 44 | 303 | 31.5 | 217 | 22 | 152 | - | - |
| R | 73* | 503* | 54 | 372 | 40 | 276 | 28 | 193 |
| 1200 |
649 |
0.5 | - | - | - | - | - | - | - | - |
| 1 | - | - | - | - | 35* | 241* | - | - |
| R | - | - | 78 | 538 | 59 | 407 | 45* | 310* |
| 1500 |
816 |
0.5 | 16 | 110 | 11 | 76 | 7.7* | 53* | - | - |
| 1 | 19 | 131 | 13.5 | 93 | 9.3 | 64 | - | - |
| R | 36 | 248 | 25 | 172 | 17.5 | 121 | 12 | 83 |
| 1700 |
927 |
0.5 | 8 | 55 | 5.2 | 36 | 3.6* | 25* | - | - |
| 1 | 9.2 | 63 | 6 | 41 | 4.3* | 30* | - | - |
| R | 16.5 | 114 | 11.1 | 77 | 7.3 | 50 | 4.5* | 31* |
| 1800 |
982 |
0.5 | 5.6 | 39 | 3.6 | 25 | 2.3 | 16 | 1.35 | 9.3 |
| 1 | 6.3 | 43 | 4.2 | 29 | 2.5 | 17 | 1.42 | 9.8 |
| R | 11.5 | 79 | 7 | 48 | 4 | 28 | 2.2* | 15* |
| 1400 |
760 |
0.5 | 26 | 179 | 17 | 117 | 11.5 | 79 | - | - |
| 1 | 29 | 200 | 20.5 | 141 | 14.5* | 100* | - | - |
| R | 51 | 352 | 37 | 255 | 26 | 179 | 18.5* | 128* |
| 1900 |
1038 |
0.5 | 3.7 | 26 | 2.3* | 16* | - | - | - | - |
| 1 | 4.2 | 29 | 2.5* | 17* | - | - | - | - |
| R | 7.2* | 50* | 4.4 | 30 | 2.2* | 15* | - | - |
| 1600 |
871 |
0.5 | 11.5 | 79 | 7.5 | 52 | 5.5* | 38* | - | - |
| 1 | 13 | 90 | 9 | 62 | 6.4* | 44* | - | - |
| R | 25 | 172 | 17 | 117 | 11.6 | 80 | 7.8 | 54 |
| 2000 |
1093 |
0.5 | 2.3 | 16 | 1.35 | 9.3 | - | - | - | - |
| 1 | 2.6 | 18 | 1.42 | 9.8 | - | - | - | - |
| R | 4.7 | 32 | 2.3 | 16 | 1.10* | 7.6* | - | - |
Average Creep Data of HS188 Material
| Form |
Test Temp.
°F(°C) |
Condition |
Creep Elongation,
percent |
Average Stress in Ksi (MPa) to Cause
Creep Elongation in Indicated Time |
| 10 hrs |
100 hrs |
1000 hrs |
| Sheet,
0.029-0.050"
thick |
- 1400 (760)
- 1500(816)
- 1600(871)
- 1700(927)
- 1800(982)
|
Solution
heat treated |
- 0.5
- 1.0
- 0.5
- 1.0
- 0.5
- 1.0
- 0.5
- 1.0
- 0.5
- 1.0
|
- 22.5(155)
- 25.5(176)
- 15.5(107)
- 17.6(121)
- 10.7(74)
- 12.2(84)
- 7.3(50)
- 8.2(57)
- 4.9(34)
- 5.6(39)
|
- 16.4(113)
- 18.5(128)
- 11.1(77)
- 12.6(87)
- 7.5(52)
- 8..4(58)
- 4.9(34)
- 5.6(39)
- 3.1(21)
- 3.6(25)
|
- 11.7(81)
- 13.3(92)
- 7.8(54)
- 8.8(61)
- 5.0(34)
- 5.7(39)
- 3.1(21)
- 3.6(25)
- 1.8(12)
- 2.1(14)
|
Stockist Of UNS R330188 Material Suitable to Work At Temperature 2100°F (1150°C), Check Mechanical Properties
UNS R330188 Material Mechanical Properties
| Test Temp.,
°F(°C) |
Yield Strength
at 0.2% offset,
ksi(MPa) |
Ultimate Tensile
Strength,
ksi(MPa) |
Elongation
in 2",
% |
| 70 (21) |
67.3 (464) |
137.2 (946) |
53 |
| 1200 (649) |
39.7 (274) |
103.3 (712) |
59 |
| 1400 (760) |
38.9 (268) |
89.9 (620) |
63 |
| 1600 (871) |
35.9 (248) |
60.0 (414) |
64 |
| 1000 (538) |
42.0 (290) |
108.5 (748) |
61 |
| 1800 (982) |
19.0 (131) |
35.2 (243) |
59 |
| 2000 (1093) |
9.3 (64) |
18.7 (129) |
32 |
Udimet Alloy 188 Dynamic Modulus of Elasticity
| Test Temp.,
°F(°C) |
Dynamic Modulus of
Elasticity, 10(6) psi(MPa) |
Test Temp.,
°F(°C) |
Dynamic Modulus of
Elasticity, 10(6) psi(MPa) |
| -100 (-73) |
34.8 (240) |
1400 (760) |
24.9 (172) |
| 86 (30) |
33.6 (232) |
1800 (982) |
22.3 (154) |
| -250 (-157) |
35.8 (247) |
800 (427) |
28.9 (199) |
| -200 (-129) |
35.4 (244) |
1000 (538) |
27.6 (190) |
| -300 (-184) |
36.1 (249) |
600 (136) |
30.2 (208) |
| 400 (31.5) |
31.5 (217) |
- |
HAYNES® 188 alloy Average Rupture Data
| Form |
Test Temp.
°F(°C) |
Condition |
Average Rupture Life Strength
for Time Indicated, ksi(MPa) |
| 10 hrs |
100 hrs |
1000 hrs |
| Sheet,
0.029-0.050"
thick |
1400 (760)
1600(871)
1800(982) |
Solution
heat treated |
- 43.0 (296)
- 21.0 (145)
- 9.1 (63)
|
- 32.0 (221)
- 14.4 (99)
- 5.4 (37)
|
- 23.0 (159)
- 9.4 (65)
- 2.4 (17)
|
Offer Nickel Alloy 188 in Various Forms For Turbine Engine Components, Must Know Haynes 188 vs Inconel 718
Nickel Alloy 188 Applications
Haynes 188 vs Inconel 718
| Property |
Haynes 188 |
Inconel 718 |
| Density |
9.14 g/cm³ |
8.19 g/cm³ |
| Melting Range |
1260-1330°C (2300-2420°F) |
1260-1336°C (2300-2437°F) |
| Max Continuous Service Temperature |
1095°C (2000°F) |
700°C (1290°F) |
| Ultimate Tensile Strength (RT) |
~123 ksi (850 MPa) |
~205 ksi (1410 MPa) |
| Yield Strength (RT) |
~54 ksi (370 MPa) |
~170 ksi (1170 MPa) |
| Hardness (Typical) |
~25-30 HRC |
~36-44 HRC |
Udimet® 188 Sulfidation Resistance at 1400°F (760°C)
| 215 hours in an atmosphere of 5% H2 + 5% CO + 0.15% H2S + Balance Ar |
| Alloy |
1400°F (760°C) |
1600°F (871°C) |
| Metal Loss |
Average Metal Affected |
Metal Loss |
Average Metal Affected |
| - |
mils |
µm |
mils |
µm |
mils |
µm |
mils |
µm |
| 188 |
1.6 |
41 |
3.3 |
84 |
1.7 |
44 |
5.7 |
145 |
HS188 Comparative Oxidation Resistance in Flowing Air, 1008 Hours
| Alloy |
1800°F (980°C) |
2000°F (1095°C) |
2100°F (1150°C) |
| Average Metal Affected** |
Metal Loss |
Average Metal Affected** |
Metal Loss |
Average Metal Affected** |
Metal Loss |
| - |
mils |
µm |
mils |
µm |
mils |
µm |
mils |
µm |
mils |
µm |
mils |
µm |
| 188 |
1.1 |
28 |
0.1 |
3 |
3.7 |
94 |
0.5 |
13 |
10.7 |
272 |
8.6 |
218 |
Get AMS 5608 and 5772 Cobalt-Nickel-Chromium-Tungsten Alloy With Good Forming and Welding Characteristics
Udimet Alloy 188 Characteristics
- Good Forming and Welding
- Mechanical Properties
- Temperature Capabilities
- Fabrication
- Corrosion & Oxidation Resistance
SAE HS-188 Hot Corrosion Resistance at 1650°F (900°C)
| Alloy |
Metal Loss |
Average Metal Affected |
| - |
mils |
µm |
mils |
µm |
| 188 |
0.8 |
20 |
2.7 |
69 |
