Controlled Expansion Alloy ASTM F30

Nilo 42 Pipes .

Nilo 42 Pipes are iron-nickel alloy pipes known for their controlled thermal expansion properties. These pipes are widely used in applications where dimensional stability is critical.

Kronex Stainless India supplies Nilo 42 Pipes manufactured to international standards for glass-to-metal sealing, electronics, and precision assemblies.

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Controlled expansion

Controlled coefficient of thermal expansion matched to borosilicate glass and ceramics.

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Good strength

Good mechanical strength for structural and hermetic sealing applications.

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Temperature stability

Stable dimensions across varying temperatures for reliable fit-up and seals.

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Reliable performance

Consistent, reliable performance in electronics and aerospace component duty.

Precision iron-nickel alloy piping for controlled expansion

Technical Spec View: Nilo 42 UNS K94100

Technical Specifications

Parameter Specification Detail
Material Grade Nilo 42 (UNS K94100)
Standard ASTM F30
Size 1/8" NB to 24" NB
Thickness SCH 10 to SCH XXS
Type Seamless / Welded

Chemical Composition (Basic)

Element Typical range
Nickel (Ni) ~41–43%
Iron (Fe) Balance
Manganese (Mn) ≤0.80%
Silicon (Si) ≤0.30%

Applications

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