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4130 Sheet 6 X 12 X .125

4130 Sheet 6 X 12 X .125

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Part numbers : RX1-03-55300 , 03-55300
Unit of Measure: EA

22.87 EUR / EA 22.87 EUR 22.87 € excl. VAT

22.87 EUR / EA excl. VAT

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3 EA ready to ship Tomorrow
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Up to 77 EA ready to ship on Thursday 2026-08-20
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Up to 133 EA ready to ship on Monday 2026-08-24
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7 EA available on request, fees apply
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4130 chromium-molybdenum alloy steel sheet for fabrication work where a compact, nominal 152 x 305 x 3.2 mm sheet format is required.

4130 steel is widely used for fabricated parts and components due to its combination of weldability, ease of fabrication and mild hardenability. It can respond to heat treatment for higher strength where an appropriate process is specified.

  • Roctexo part number: RX1-03-55300
  • Material: 4130 chromium-molybdenum alloy steel
  • Nominal sheet dimensions: 152 x 305 x 3.2 mm
  • Unit of measure: each
  • Listed weight: 1.225 kg

Please confirm the required material condition, specification, certification and traceability requirements before use in a regulated aviation application.

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ThicknessSize
(in.)		Part No.
.1256 x 1203-55300

Overview

4130 STEEL SHEETS
MIL-S-6345A NORMALIZED
Formerly MIL-S-18729C
This chromium-molybdenum alloy is one of the most widely used aircraft steels because of its combination of weldability, ease of fabrication and mild hardenability. It will respond to heat treatment to high strength levels and yet, in the annealed condition, it has adequate strength for many applications. Used for the manufacture of parts and components.

Tensile strength 75,000-85,000 PSI.

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