CNC Machining in Invar

Invar provides exceptional dimensional stability, maintaining consistent size and shape even when temperatures fluctuate. 

Advantages of Invar

Invar is a nickel-iron alloy celebrated for its minimal thermal expansion properties. Invar is used in precision instruments, optical systems, and aerospace engineering.

Key Features
Low Coefficient of Thermal Expansion (CTE)
Precision Machinability
Thermal Stability
High Corrosion Resistance

Available Invar Specifications

 The following table shows common invar alloys. If you have any other alloy requirements, please contact us.

Invar 36 (FeNi 36, Alloy 36)

Tensile Strength
Elongation at Break
Hardness
Density

65,000 PSI

35%

Rockwell B70

0.291 lb/in³
(8.05 g/cm³)

Invar 32-5 (FeNiCo5, Alloy 32-5)

Tensile Strength
Elongation at Break
Hardness
Density

70,000 PSI

40%

Rockwell B75

0.294 lb/in³
(8.14 g/cm³)

Invar Surface Finishes

 The following table shows common surface finishes for invar.

Bead Blast​

Black Oxide

Heat Treat

Electroless Nickel Plating

Polishing

Gold Plating

Silver Plating

Powder Coating

Invar FAQs

  • 殷鋼合金的機械加工難度如何?
    殷鋼合金r的機械加工相對較難,因為它是一種相對硬的材料。適當的工具和刀具選擇,以及精確的參數設定,是確保成功機械加工的關鍵。
  • 殷鋼合金在機械加工中有哪些優勢?
    殷鋼合金由於其低熱膨脹性和穩定性,非常適合需要高精度的機械加工應用。它保持在變化溫度下的尺寸穩定,使其成為製造精密儀器和高精度零件的理想選擇。
  • 什麼是殷鋼合金?
    殷鋼合金是一種含有鐵(Fe)和鎳(Ni)的合金,通常含有約36%的鎳和64%的鐵。它因其低熱膨脹性而聞名,被廣泛用於需要穩定尺寸的應用,如精密儀器和測量裝置。