• Special Screws
  • Chemical Resistance


Inconel Washer

  • Cleanroom Specification
  • Heat-resistance
  • Chemical-proof

Dimension Drawing

SWAI-FInconel Washer寸法図


Unit : mm

Part Number Nominal d D t Qty per Pack Mass
SWAI-8-F 8 8.4 17 1.6 1 2.3 23.45 CAD Cart


Main Body NCF600(Inconel*1

*1: Inconel is a registered trademark of Special Metals Corporation.


FPD production equipment, semiconductor devices, printed circuit board etching devices,
metallic surface treatment equipment and facilities, and chemical plants


  • Screws show excellent corrosion resistance against oxidizing and reducing by inorganic and organic acids.⇒The Properties of Screws Made of Special Materials
  • Excellent resistance to stress corrosion cracking caused by hydrogen sulfide ions.
  • Nearly complete corrosion resistance against ammonia.
  • Excellent heat resistance and creep resistance. High strength even near 600 deg C.

Physical Property

Inconel (UNS N06600) SUS304
Specific Gravity 8.42 7.93
Longitudinal Elastic Modulus (GPa) 207 193
Specific Heat (J/kg·K) 444 500
Electric Resistance (µΩ・m) 1.0 0.7
Thermal Conductivity (W/(m・K)) 16.7 17
Linear Expansion Coefficient (K-1) 13.4 x 10-6 17.3 x 10-6

Values in chart are for reference only. They are not guaranteed values.

Mechanical Properties

Inconel (UNS N06600) SUS304
Tensile Strength (N/mm2) 548 - 695 520 or More
0.2% Proof Load (N/mm2) 205 - 352 205 or More
Elongation (%) 35-55 40 or More
Hardness (HRB) 65 - 85 90 or Less

Values in chart are for reference only. They are not guaranteed values.

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