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4J32
Iron-Based Powders

4J32

Iron‑Nickel Invar Low‑Expansion Alloy Powder

Product Characteristics

  • Low coefficient of thermal expansion
  • Excellent strength
  • Good plasticity and toughness
  • Excellent machinability

Applications

AviationSpaceConsumer ElectronicsRoboticsOptical MountAutomotive Precision Sensing ComponentsPrecision Measurement under Alternating High-Low Temperature ConditionsLow-Expansion Structural Components for Laser Equipment

Powder Properties

Particle Size Range (µm)
15-53
Flowability (s/50 g)
≤20
Apparent Density (g/cm³)
≥3.9
Tap Density (g/cm³)
≥4.5
Oxygen Content (ppm)
/
Nitrogen Content (ppm)
/

Mechanical Properties

Ultimate Tensile Strength (MPa)
≥470
Yield Strength (MPa)
≥380
Elongation at Break (%)
≥27
Reduction of Area (%)
≥55

Representative Printed Parts

4J32
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