| Management number | 210944561 | Release Date | 2026/04/04 | List Price | $36.00 | Model Number | 210944561 | ||
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These 4130 steel sheets, normalized to MIL-S-6345A standards, were previously known as MIL-S-18729C. This chromium-molybdenum alloy is renowned for its excellent weldability, ease of fabrication, and mild hardenability, making it a popular choice for aircraft parts and components. Even in its annealed state, it offers sufficient strength for various applications, and it can be heat-treated to achieve high strength levels.
| Color | Gray |
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| Brand Name | Aircraft Spruce |
| Material Type | 4130 STEEL SHEETS MIL-S-6345A NORMALIZED Formerly MIL-S-18729C |
| Nominal Wall Thickness | 0.125 inches |
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