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Haynes Hastelloy® C-22HS™ Nickel Alloy Gas Tungsten Arc Welded (GTAW) All Weld Cruciform

Category Metal , Nonferrous Metal , Nickel Alloy
Manufacturer Haynes International, Inc.
Trade Name Hastelloy®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Haynes Hastelloy® C-22HS™ Nickel Alloy Gas Tungsten Arc Welded (GTAW) All Weld Cruciform.pdf
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Material Notes:
Outstanding Corrosion Resistance, High Strength HASTELLOY® C-22HSTM alloy is corrosion-resistant, nickel-chromium-molybdenum alloy which can be heat treated to obtain a strength approximately double that of other C-type alloys. Importantly, the corrosion resistance and ductility of the alloy remain excellent when in the high strength condition. In addition to its high uniform corrosion resistance in oxidizing as well as reducing environments, the as-heat treated C-22HS alloy possesses high resistance to chloride-induced pitting and crevice corrosion attack.C-22HS alloy is available in the form of plate, sheet, strip, billet, bar, wire, pipe, and tube. Heat Treatment: The high strength of C-22HS alloy is derived from the formation of strengthening particles of Ni2(Mo,Cr) which form during the patented two-step age-hardening heat treatment. The approximately 48 hour heat treatment, 1300°F (705°C) FC to 1125°F (605°C)/32 hours/AC, is described in more detail on page 14. Solution Annealed and Filler Wire Applications: C-22HS alloy may also be considered for applications which do not require the high strength imparted by the heat treatment. In the annealed condition, C-22HS alloy has even higher corrosion-resistance, particularly with regard to localized corrosive attack. This localized attack resistance also makes the alloy an attractive candidate as a general-purpose filler metal or weld overlay. Applications: Agitators and blenders Shafting Fan blades and hubs Fasteners Springs Valves Dies Screws Wellhead parts Rings and gaskets Heat Treatment: Wrought forms of C-22HS alloy are furnished in the solution annealed condition, unless otherwise specified. The standard solution annealing treatment consists of heating to 1975°F (1080°C) followed by rapid air-cooling or water quenching. Parts which have been hot formed should be solution annealed prior to final fabrication or installation. To use the alloy in the high-strength condition, it is necessary to age-harden using a two step treatment of 1300°F (705°C) for 16 hours, furnace cooling to 1125°F (605°C) and holding at that temperature for 32 hours, followed by an air cool. Cold or hot-worked structures should normally be given a full solution anneal prior to performing the age-hardening treatment. Forming: C-22HS alloy has excellent forming characteristics, and cold forming is the preferred method of shaping. The alloy can be easily cold worked due to its good ductility. The alloy is generally stiffer than the austenitic stainless steels; therefore more energy is required during cold forming. For further information on the fabrication of C-type alloys, please consult publication H-2010. Machining: C-22HS alloy may be machined in either the solution annealed or age-hardened condition. Carbide or ceramic tools are recommended. For use in the age-hardened condition, it is suggested to rough machine in the annealed condition. After performing the age-hardening heat treatment, light machining may be performed to achieve desired final dimensions.Tensile properties reported are for Gas Tungsten Arc welded all-weld-metal specimens from Cruciform. Other properties are typical of the alloy.Data provided by the manufacturer, Haynes International, Inc.
Physical Properties Metric English Comments
Density 8.60 g/cc
0.311 lb/in³
annealed
8.64 g/cc
0.312 lb/in³
age-hardened
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 708 MPa

@Diameter 12.7 mm,
Temperature 25.0 °C
103000 psi

@Diameter 0.500 in,
Temperature 77.0 °F
As welded
1062 MPa

@Diameter 12.7 mm,
Temperature 25.0 °C
154000 psi

@Diameter 0.500 in,
Temperature 77.0 °F
Welded then age-hardened
Tensile Strength, Yield 458 MPa

@Diameter 12.7 mm
66400 psi

@Diameter 0.500 in
As welded; 0.2% offset
735 MPa

@Diameter 12.7 mm
107000 psi

@Diameter 0.500 in
Welded then age-hardened; 0.2% offset
Elongation at Break 28.9 %

@Diameter 12.7 mm,
Temperature 25.0 °C
28.9 %

@Diameter 0.500 in,
Temperature 77.0 °F
Welded then age-hardened
39.2 %

@Diameter 12.7 mm,
Temperature 25.0 °C
39.2 %

@Diameter 0.500 in,
Temperature 77.0 °F
As welded
Modulus of Elasticity 181 GPa

@Temperature 600 °C
26300 ksi

@Temperature 1110 °F
Dynamic
195 GPa

@Temperature 500 °C
28300 ksi

@Temperature 932 °F
Dynamic
205 GPa

@Temperature 400 °C
29700 ksi

@Temperature 752 °F
Dynamic
209 GPa

@Temperature 300 °C
30300 ksi

@Temperature 572 °F
Dynamic
211 GPa

@Temperature 200 °C
30600 ksi

@Temperature 392 °F
Dynamic
218 GPa

@Temperature 100 °C
31600 ksi

@Temperature 212 °F
Dynamic
223 GPa

@Temperature 25.0 °C
32300 ksi

@Temperature 77.0 °F
Dynamic
Thermal Properties Metric English Comments
CTE, linear 11.6 µm/m-°C

@Temperature 25.0 - 100 °C
6.44 µin/in-°F

@Temperature 77.0 - 212 °F
12.0 µm/m-°C

@Temperature 25.0 - 200 °C
6.67 µin/in-°F

@Temperature 77.0 - 392 °F
12.4 µm/m-°C

@Temperature 25.0 - 300 °C
6.89 µin/in-°F

@Temperature 77.0 - 572 °F
12.7 µm/m-°C

@Temperature 25.0 - 400 °C
7.06 µin/in-°F

@Temperature 77.0 - 752 °F
13.1 µm/m-°C

@Temperature 25.0 - 500 °C
7.28 µin/in-°F

@Temperature 77.0 - 932 °F
13.3 µm/m-°C

@Temperature 25.0 - 600 °C
7.39 µin/in-°F

@Temperature 77.0 - 1110 °F
Specific Heat Capacity 0.412 J/g-°C

@Temperature 25.0 °C
0.0985 BTU/lb-°F

@Temperature 77.0 °F
0.434 J/g-°C

@Temperature 100 °C
0.104 BTU/lb-°F

@Temperature 212 °F
0.451 J/g-°C

@Temperature 200 °C
0.108 BTU/lb-°F

@Temperature 392 °F
0.465 J/g-°C

@Temperature 300 °C
0.111 BTU/lb-°F

@Temperature 572 °F
0.477 J/g-°C

@Temperature 400 °C
0.114 BTU/lb-°F

@Temperature 752 °F
0.488 J/g-°C

@Temperature 500 °C
0.117 BTU/lb-°F

@Temperature 932 °F
0.504 J/g-°C

@Temperature 600 °C
0.120 BTU/lb-°F

@Temperature 1110 °F
Thermal Conductivity 11.8 W/m-K

@Temperature 25.0 °C
81.9 BTU-in/hr-ft²-°F

@Temperature 77.0 °F
13.5 W/m-K

@Temperature 100 °C
93.7 BTU-in/hr-ft²-°F

@Temperature 212 °F
15.4 W/m-K

@Temperature 200 °C
107 BTU-in/hr-ft²-°F

@Temperature 392 °F
17.1 W/m-K

@Temperature 300 °C
119 BTU-in/hr-ft²-°F

@Temperature 572 °F
18.6 W/m-K

@Temperature 400 °C
129 BTU-in/hr-ft²-°F

@Temperature 752 °F
20.5 W/m-K

@Temperature 500 °C
142 BTU-in/hr-ft²-°F

@Temperature 932 °F
22.4 W/m-K

@Temperature 600 °C
155 BTU-in/hr-ft²-°F

@Temperature 1110 °F
Melting Point 1304 - 1368 °C
2379 - 2494 °F
Solidus 1304 °C
2379 °F
Liquidus 1368 °C
2494 °F
Component Elements Properties Metric English Comments
Aluminum, Al <= 0.50 %
<= 0.50 %
Boron, B <= 0.0060 %
<= 0.0060 %
Carbon, C <= 0.010 %
<= 0.010 %
Chromium, Cr 21 %
21 %
Cobalt, Co <= 1.0 %
<= 1.0 %
Iron, Fe <= 2.0 %
<= 2.0 %
Manganese, Mn <= 0.80 %
<= 0.80 %
Molybdenum, Mo 17 %
17 %
Nickel, Ni 57 %
57 %
as balance
Silicon, Si <= 0.080 %
<= 0.080 %
Tungsten, W <= 1.0 %
<= 1.0 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000980 ohm-cm

@Temperature 25.0 °C
0.0000980 ohm-cm

@Temperature 77.0 °F
0.000100 ohm-cm

@Temperature 100 °C
0.000100 ohm-cm

@Temperature 212 °F
0.000104 ohm-cm

@Temperature 200 °C
0.000104 ohm-cm

@Temperature 392 °F
0.000108 ohm-cm

@Temperature 300 °C
0.000108 ohm-cm

@Temperature 572 °F
0.000112 ohm-cm

@Temperature 400 °C
0.000112 ohm-cm

@Temperature 752 °F
0.000115 ohm-cm

@Temperature 500 °C
0.000115 ohm-cm

@Temperature 932 °F
0.000117 ohm-cm

@Temperature 600 °C
0.000117 ohm-cm

@Temperature 1110 °F
Processing Properties Metric English Comments
Adapter Temperature 607.2 °C

@Time 115000 sec
1125 °F

@Time 32.0 hour
Step 2, follow by air cooling
704 °C

@Time 57600 sec
1300 °F

@Time 16.0 hour
Step 1; then furnace cool to step 2
Annealing Temperature 1079 °C
1975 °F
Followed by rapid air cooling or water quench
Descriptive Properties Value Comments
Thermal Diffusivity 0.0334 cm2/s
at 25°C
0.0362 cm2/s
at 100°C
0.0398 cm2/s
at 200°C
0.0427 cm2/s
at 300°C
0.0454 cm2/s
at 400°C
0.0489 cm2/s
at 500°C
0.0517 cm2/s
at 600°C
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