BS EN 2821:2024 PDF

Published Date: 08/31/2024

Aerospace series. Steel X5CrNiCu15-5 (1.4545). Consumable electrode remelted. Solution treated and precipitation treated. Bars for machining. a or D ≤ 200 mm -- Rm ≥ 1 310 MPa

Published Date: 04/30/2013

Specification for precipitation hardening chromium-nickel-copper-molybdenum steel castings (950 MPa) (Cr 14.0, Ni 4.5, Cu 2.5, Mo 1.5)-Specification for precipitation hardening chromium-nickel-copper- molybdenum steel castings (950 MPa) (Cr 14.0, Ni 4.5, Cu 2.5, Mo 1.5)

Published Date: 01/31/1964

Specification for aircraft material. 23/14 chromium-nickel heat-resisting steel (niobium stabilized) (35 tonf/sq in: limiting ruling section 6 in)

Published Date: 07/31/2014

Aerospace series. Steel X105CrMo17 (1.4125). Hardened and tempered. Hand and die forgings. De ≤ 150 mm

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Contest Directors Guide

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CMASS Plan Book

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Lower Tropospheric Probe

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Model Rocket Classroom Activities

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Rocketry Electrical Projects

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Guide to Competition for the Casual Competitor