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HAYNES 188 Alloy Plate

HAYNES 188 Alloy Plate

HAYNES 188 Alloy Plate

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Features

Material:

Cobalt-Nickel-Chromium-Tungsten Alloy

Appearance:

Silvery metallic solid

Standard:

UNS R30188, AMS 5608

Thickness:

0.38-50.8mm (0.15"-2")

Haynes 188 Alloy Plate Description

The HAYNES 188 Alloy is a very strong and resistant alloy made of cobalt. It can withstand temperatures up to 2000 degrees Fahrenheit (1093 degrees Celsius) well. Chromium and lanthanum make a tough and protective scale that can do really well in tough places. This metal has good resistance to sulfidation and is very strong, even when heated up for a long time.

This alloy is not magnetic and can withstand high temperatures up to 1800 degrees Fahrenheit (982 degrees Celsius). It can also resist oxidation up to 2100 degrees Fahrenheit (1149 degrees Celsius) It can handle high temperatures for a long time and is very resistant to oxidation, spalling, and corrosion. It does this by adding chromium and small amounts of lanthanum. Lanthanum makes an oxide scale at high temperatures. Also, this material stays flexible even when it's cold, but it's stronger.

HAYNES 188 Alloy is very easy to weld and can be formed in both hot and cold temperatures. This makes it good for making different things. Our range of HAYNES 188 rolled products includes plate, sheet, strip, and roll configurations that are designed to meet the most stringent industry requirements.

If you would like more information about our HAYNES 188 Alloy plate or other rolled products, please contact us. Get the best performance and reliability with HAYNES 188 Alloy from SSC.

Chemical Composition

Element

Percent by Weight

Carbon

0.05 - 0.15%

Manganese

1.25% max

Silicon

0.20 - 0.50%

Chromium

20.0 - 24.0%

Nickel

20.0 - 24.0%

Tungsten

13.0 - 16.0%

Lanthanum

0.02 - 0.12%

Boron

0.015% max

Iron

3% max

Cobalt

Balance

Features

● Good fabricability and weldability

● Retains excellent strength and ductility at elevated temperatures

● Good sulfidation resistance

● Excellent metallurgical stability at high temperatures

Mechanical Properties

Yield Strength

Tensile StrengthElongation

ksi

MPa

ksi

MPa

%

65

446

140

963

55

Physical Properties

Density

0.330 lb/in³ 9.14 g/cm³

Melting Range

2375-2425 °F 1300-1330 °C

Specific Heat

0.097 at 70 °F, Bru/lb °F 405 at 21 °C, J/kg °C

Permeability

1.0007 at 200 oersted

Coefficient of Expansion

6.6 0-200 °F, 10¯⁶ in/in•°F

Thermal Conductivity

84 Btu•in/ft²•h•°F W/wm•°C

Electrical Resistivity

613 ohm•circ mil/ft 102.0 microhm-cm

Haynes 188 Alloy Plate Applications and Related Industries

● High Temperature and Corrosion Resistant

● Aerospace

● Research & Laboratory

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