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Capillcary Low Expansion Alloys -100°C To +200°C W.Nr 1.3912 For Laser Components

Place of Origin China
Brand Name XUNSHI
Certification ISO9001:2015
Model Number W.Nr 1.3912
Minimum Order Quantity 20kg
Price Negotiable
Packaging Details Plywood case
Delivery Time 30~35 days
Payment Terms T/T
Supply Ability 500kg per week

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Product Details
Equal Grades UNS K93600, Invar 36, Nilo 36, Ni36, Alloy 36 Forms Of Supply Wire, Strip, Bar, Tube, Capillcary, Forging
Density 811g/cm3 Melting Point 1430°C
Coefficient Of Expansion 1.5 µm/m °C (20 – 100°C), 2.6 µm/m °C (20 – 200°C) Product Name Low Expansion Alloys
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thermal expansion nickel


corrosion resistant alloys

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Product Description

W.Nr 1.3912 Low Coefficient of Thermal Expansion Ranges from -100°C to +200°C.



W.Nr 1.3912 is an iron-nickel alloy with a very low coefficient of thermal expansion in the temperature range -100°C to +200°C.
Typical applications are moulds for composite components, piezoelectric injectors, echoboxes and filters for mobile telephone relay stations.


Chemical composition

Element Ni Fe C Mn P S Si Cr Mo Co
Weight(%) 35.0~38.0 Rem 0.10 max 0.60 max 0.025 max 0.025 max 0.35 max 0.50 max 0.50 max 1.0 max



  •  Low expansion alloy. Maintains near constant dimensions over the range of normal atmospheric temperatures.
  •  Low coefficient of expansion from cryogenic temperatures to about +500°C (+930°F). Retains strength and toughness at cryogenic temperatures.


  •  Standards of length (measurement reference)
  •  Thermostat rods
  •  Laser components
  •  Tanks and piping for the storage and transportation of liquefied gasses

Capillcary Low Expansion Alloys -100°C To +200°C W.Nr 1.3912 For Laser Components 0