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Haynes Hastelloy® C-4 alloy, welded plate 12.7 mm (1/2 in.) thick, aged 10 hours at 649°C (1200°F)

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Haynes International, Inc.
Trade Name Hastelloy®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Haynes Hastelloy® C-4 alloy, welded plate 12.7 mm (1/2 in.) thick, aged 10 hours at 649°C (1200°F).pdf
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Material Notes:
Nickel-chromium-molybdenum alloy with outstanding high-temperature stability as evidenced by high ductility and corrosion resistance even after aging in the 1200 to 1900°F (649 to 1038°C) range. This alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition. C-4 alloy also has excellent resistance to stress-corrosion cracking and to oxidizing atmospheres up to 1900°F (1038°C). HASTELLOY C-4 alloy has exceptional resistance to wide variety of chemical process environments. These include hot contaminated mineral acids, solvents, chlorine and chlorine contaminated media (organic and inorganic), dry chlorine, formic and acetic acids, acetic anhydride, and seawater and brine solutions. Laboratory precipitation studies on C-4 alloy indicate that the intermetallic precipitates (Mu phase) associated with other nickel alloys in the 1200 to 2000°F (649 to 1093°C) temperature range have not been detected. Fine intergranular M6C carbides can form but their damaging effect is minimal.HASTELLOY C-4 alloy can be forged, hot-upset, and impact extruded. Although the alloy tends to work-harden, it can be successfully deep-drawn, spun, press formed or punched. All of the common methods of welding can be used to weld HASTELLOY C-4 alloy, although the oxy-acetylene and submerged arc processes are not recommended when the fabricated item is intended for use in corrosion service. Special precautions should be taken to avoid excessive heat input.Wrought forms of HASTELLOY C-4 alloy are furnished in the solution heat-treated condition unless otherwise specified. C-4 alloy is solution heat-treated at 1950°F (1066°C) and rapid quenched.Data provided by the manufacturer, Haynes International, Inc.
Physical Properties Metric English Comments
Density 8.64 g/cc
0.312 lb/in³
at RT
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 784 MPa
114000 psi
Tensile Strength, Yield 429 MPa

@Strain 0.200 %
62200 psi

@Strain 0.200 %
Elongation at Break 48 %
48 %
in 50.8 mm
Modulus of Elasticity 211 GPa
30600 ksi
RT
141 GPa

@Temperature 982 °C
20500 ksi

@Temperature 1800 °F
152 GPa

@Temperature 871 °C
22000 ksi

@Temperature 1600 °F
162 GPa

@Temperature 760 °C
23500 ksi

@Temperature 1400 °F
171 GPa

@Temperature 649 °C
24800 ksi

@Temperature 1200 °F
179 GPa

@Temperature 538 °C
26000 ksi

@Temperature 1000 °F
187 GPa

@Temperature 427 °C
27100 ksi

@Temperature 801 °F
194 GPa

@Temperature 316 °C
28100 ksi

@Temperature 601 °F
201 GPa

@Temperature 204 °C
29200 ksi

@Temperature 399 °F
207 GPa

@Temperature 93.0 °C
30000 ksi

@Temperature 199 °F
Thermal Properties Metric English Comments
CTE, linear 10.8 µm/m-°C

@Temperature 20.0 - 93.0 °C
6.00 µin/in-°F

@Temperature 68.0 - 199 °F
11.9 µm/m-°C

@Temperature 20.0 - 204 °C
6.61 µin/in-°F

@Temperature 68.0 - 399 °F
12.6 µm/m-°C

@Temperature 20.0 - 316 °C
7.00 µin/in-°F

@Temperature 68.0 - 601 °F
13.3 µm/m-°C

@Temperature 20.0 - 427 °C
7.39 µin/in-°F

@Temperature 68.0 - 801 °F
13.3 µm/m-°C

@Temperature 20.0 - 538 °C
7.39 µin/in-°F

@Temperature 68.0 - 1000 °F
13.5 µm/m-°C

@Temperature 20.0 - 649 °C
7.50 µin/in-°F

@Temperature 68.0 - 1200 °F
14.4 µm/m-°C

@Temperature 20.0 - 760 °C
8.00 µin/in-°F

@Temperature 68.0 - 1400 °F
14.9 µm/m-°C

@Temperature 24.0 - 871 °C
8.28 µin/in-°F

@Temperature 75.2 - 1600 °F
15.7 µm/m-°C

@Temperature 20.0 - 982 °C
8.72 µin/in-°F

@Temperature 68.0 - 1800 °F
Specific Heat Capacity 0.406 J/g-°C

@Temperature 0.000 °C
0.0970 BTU/lb-°F

@Temperature 32.0 °F
0.427 J/g-°C

@Temperature 100 °C
0.102 BTU/lb-°F

@Temperature 212 °F
0.448 J/g-°C

@Temperature 200 °C
0.107 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
0.490 J/g-°C

@Temperature 500 °C
0.117 BTU/lb-°F

@Temperature 932 °F
0.502 J/g-°C

@Temperature 600 °C
0.120 BTU/lb-°F

@Temperature 1110 °F
Thermal Conductivity 10.1 W/m-K

@Temperature 23.0 °C
70.1 BTU-in/hr-ft²-°F

@Temperature 73.4 °F
11.4 W/m-K

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

@Temperature 212 °F
13.2 W/m-K

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

@Temperature 392 °F
15.0 W/m-K

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

@Temperature 572 °F
16.7 W/m-K

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

@Temperature 752 °F
18.4 W/m-K

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

@Temperature 932 °F
20.5 W/m-K

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

@Temperature 1110 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.010 %
<= 0.010 %
Chromium, Cr 14 - 18 %
14 - 18 %
Cobalt, Co <= 2.0 %
<= 2.0 %
Iron, Fe <= 3.0 %
<= 3.0 %
Manganese, Mn <= 1.0 %
<= 1.0 %
Molybdenum, Mo 14 - 17 %
14 - 17 %
Nickel, Ni 58 %
58 %
As Remainder
Phosphorous, P <= 0.025 %
<= 0.025 %
Silicon, Si <= 0.080 %
<= 0.080 %
Sulfur, S <= 0.010 %
<= 0.010 %
Titanium, Ti <= 0.70 %
<= 0.70 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000125 ohm-cm

@Temperature 23.0 °C
0.000125 ohm-cm

@Temperature 73.4 °F
0.000125 ohm-cm

@Temperature 100 °C
0.000125 ohm-cm

@Temperature 212 °F
0.000126 ohm-cm

@Temperature 200 °C
0.000126 ohm-cm

@Temperature 392 °F
0.000127 ohm-cm

@Temperature 300 °C
0.000127 ohm-cm

@Temperature 572 °F
0.000128 ohm-cm

@Temperature 400 °C
0.000128 ohm-cm

@Temperature 752 °F
0.000129 ohm-cm

@Temperature 500 °C
0.000129 ohm-cm

@Temperature 932 °F
0.000132 ohm-cm

@Temperature 600 °C
0.000132 ohm-cm

@Temperature 1110 °F
Descriptive Properties Value Comments
Average Oxidation Rate per 100-hour test period (mm) 0.004
at 1038°C
Thermal Diffusivity 0.028 cm2/s
at 23°C
0.031 cm2/s
at 100°C
0.033 cm2/s
at 200°C
0.037 cm2/s
at 300°C
0.04 cm2/s
at 400°C
0.043 cm2/s
at 500°C
0.047 cm2/s
at 600°C
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