Uns N08120 / Solid Solution Strengthened Heat-Resistant Alloy/Hayneshr-120 /

• Application: Industrial
• Standard: GB, ASTM
• Purity: >99.5%
• Alloy: Alloy
• Powder: Not Powder
• Transport Package: Wooden
• Model NO.: XD-156
• Origin: Jiangsu Baoying
• HS Code: 7505120000
• Production Capacity: 500ton/Year

Product Description

Haynes HR-120 is a high-temperature alloy in the Haynes alloy series, and it is also one of the solid-solution-strengthened heat-resistant alloys.

The corresponding American standard trademark of Haynes HR-120 is UNS N08120.

This type of alloy has both high high temperature strength and good resistance to penetration and vulcanization. It is also worth noting that the oxidation resistance of this alloy is excellent, comparable to any of the Fe-Ni-Cr alloys used, such as the 800 series stainless steel, 800H and 800HT. Even compared with the Ni-Cr alloy, its strength at 1095°C is remarkably high. Haynes HR-120 alloy can be formed by cold and hot forming. When welding, HastelloyX or Haynes 556 is selected as welding material according to functional requirements.

Haynes HR-120 Chemical Composition:

Carbon C (%): 0.05

Silicon Si(%): 0.6

Manganese Mn(%): 0.7

Chromium Cr(%): 25

Nickel Ni(%): Allowance

Molybdenum Mo(%): 2.5

Cobalt Co(%): 3

Tungsten W (%): 2.5

Aluminum Al(%): 0.1

Copper Cu(%):-

Titanium Ti(%): 0.1

Iron Fe(%): 27

Others (%):

Boron B 0.004,

Nitrogen N 0.10

Haynes HR-120 Physics and Mechanics Features
Physical properties:

Density: 0.291 lb/in3 8.07 g/cc

Resistivity: μohm-in, (μohm-cm)

At 70°F (20°C): 41.4 (105.2)

At 200°F (100°C): 42.4 (107.8)

At 400°F (200°C): 44.4 (112.5)

At 600°F (300°C): 45.4 (114.9)

At 800°F (400°C): 46.3 (116.7)

At 1000°F (500°C): 47.3 (119.3)

At 1200°F (600°C): 48.2 (121.4)

At 1400°F (700°C): 48.8 (123.1)

At 1600°F (800°C): 49.4 (124.5)

At 1800°F (900°C): 50.0 (125.7)

At 2000°F (1000°C): 50.3 (126.6)

At 2200°F (1100°C): 50.7 (127.8)

Specific Heat: BTU/lb-°F (J/Kg-°K):

At 70°F (20°C): . 112 (467)

At 200°F (100°C): .116 (483)

At 400°F (200°C): . 121 (500)

At 600°F (300°C): . 125 (522)

At 800°F (400°C): . 130 (531)

At 1000°F (500°C): . 135 (558)

At 1200°F (600°C): . 144 (607)

At 1400°F (700°C): . 152 (647)

At 1600°F (800°C): . 159 (655)

At 1800°F (900°C): .164 (660)

At 2000°F (1000°C): .167 (663)

At 2200°F (1100°C): . 169 (667)



Thermal Conductivity: BTU-in/hr-ft2-°F (W/mK)

At 70°F (20°C): 78 (11.4)

At 200°F (100°C): 84 (12.7)

At 400°F (200°C): 96 (14.1)

At 600°F (300°C): 108 (15.4)

At 800°F (400°C): 121 (17.1)

At 1000°F (500°C): 134 (18.7)

At 1200°F (600°C): 150 (21.0) )

At 1400°F (700°C): 168 (23.3)

At 1600°F (800°C): 180 (24.59

At 1800°F (900°C): 191 (26.2)

At 2000°F (1000°C): 205 (28.0)

At 2200°F (1100°C): 216 (29.6)



Mechanical properties at room temperature

Features: Annealed Typical

Ultimate Tensile Strength: 106.5 KSI (735 MPa)

Yield Strength: 45.6 KSI (375 MPa)

Elongation: 50%

Features: Quenching


Haynes120 superalloys are all manufactured after solution annealing treatment, and can also be subjected to aging treatment. According to the finished shape of the material, the solution annealing temperature of the alloy ranges from 1175 °C to 1230 °C, and it is rapidly cooled after heating.

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