Alu CNC Parts guidesGuides for people sourcing machined aluminum parts.https://alucncparts.com/Giving Up 10 Percent of Strength to Stop a Crack That Starts Alonehttps://alucncparts.com/blog/7075-t6-vs-t73/https://alucncparts.com/blog/7075-t6-vs-t73/7075-T6 against 7075-T73 for machined parts: typical strength, stress corrosion cracking, conductivity check, T651 and T7351 plate and when the drawing should name T73.Fri, 16 Oct 2026 00:00:00 GMTWhy Thick Plate Is the Reason 7050 Existshttps://alucncparts.com/blog/7050-vs-7075-aluminum/https://alucncparts.com/blog/7050-vs-7075-aluminum/7050 against 7075 for machined parts: quench sensitivity, strength in thick plate, T7451 temper, cost, availability and when a drawing justifies the switch.Tue, 13 Oct 2026 00:00:00 GMTThe Alloy That Cuts Cleanly and Corrodes Quicklyhttps://alucncparts.com/blog/2011-aluminum-machining/https://alucncparts.com/blog/2011-aluminum-machining/2011 free-machining aluminum for turned and milled parts: chip behaviour, thread quality, typical strength, lead and bismuth content, corrosion limits and alternatives.Fri, 09 Oct 2026 00:00:00 GMTSoft, Clean and Gummy: What 1100 and 3003 Do at the Cutterhttps://alucncparts.com/blog/1100-3003-aluminum-machining/https://alucncparts.com/blog/1100-3003-aluminum-machining/1100 and 3003 aluminum on a machined part: typical strength, H14 and O tempers, gummy chips, burrs, anodize look, conductivity and when a harder alloy is the better pick.Mon, 05 Oct 2026 00:00:00 GMTWhy an Extrusion Alloy Keeps Showing Up on Machined Partshttps://alucncparts.com/blog/6063-vs-6061-aluminum/https://alucncparts.com/blog/6063-vs-6061-aluminum/6063-T5/T6 against 6061-T6 for CNC work: machinability, strength, anodize response and thermal conductivity. When 6063 is the right call and when it is not.Sun, 27 Sep 2026 00:00:00 GMTBefore You Spec a Casting, Check What You Are Giving Uphttps://alucncparts.com/blog/cnc-machining-vs-die-casting-aluminum/https://alucncparts.com/blog/cnc-machining-vs-die-casting-aluminum/CNC machining and die casting solve different problems in aluminum. Tooling cost, volume break-even, alloy differences and what a cast part cannot do that a machined one can.Sun, 27 Sep 2026 00:00:00 GMTWhy Your Capability List Is Costing You Requestshttps://alucncparts.com/blog/machine-shop-capability-profile/https://alucncparts.com/blog/machine-shop-capability-profile/How to describe a machine shop so buyers and matching services can route the right aluminum work to you: envelope, tolerance, batch size, finishing and what to leave out.Fri, 25 Sep 2026 00:00:00 GMTA Quoting Routine That Survives a Busy Weekhttps://alucncparts.com/blog/quoting-aluminum-work-faster/https://alucncparts.com/blog/quoting-aluminum-work-faster/How to estimate aluminum jobs quickly and consistently: reading stock from the model, counting setups, pricing tolerance and inspection, and where estimates go wrong.Fri, 25 Sep 2026 00:00:00 GMTThe Jobs That Cost More Than They Payhttps://alucncparts.com/blog/rfq-red-flags-machine-shops/https://alucncparts.com/blog/rfq-red-flags-machine-shops/How to spot an aluminum RFQ that will lose money or a customer: missing drawings, impossible tolerances, unpriced coating, vague flatness and quote shopping.Fri, 25 Sep 2026 00:00:00 GMTWhat a Buyer Is Actually Comparing When Your Quote Arriveshttps://alucncparts.com/blog/win-aluminum-machining-work/https://alucncparts.com/blog/win-aluminum-machining-work/Buyers rarely pick the cheapest aluminum quote. What they compare, why the fastest reply usually wins, and the quoting habits that lose work before price is read.Fri, 25 Sep 2026 00:00:00 GMTThe Alloy You Choose When the Part Flexes Ten Million Timeshttps://alucncparts.com/blog/2024-aluminum-machining/https://alucncparts.com/blog/2024-aluminum-machining/Why 2024-T351 is specified for parts under repeated load, what its copper content does to corrosion resistance, how it machines and when 7075 is the better answer.Mon, 21 Sep 2026 00:00:00 GMT6061 or 7075? Pick by Load, Welding and Finishhttps://alucncparts.com/blog/6061-vs-7075-machined-parts/https://alucncparts.com/blog/6061-vs-7075-machined-parts/6061-T6 against 7075-T6 for CNC machined parts: yield strength, price per kilo, weldability, corrosion, anodize appearance and when the upgrade is worth paying for.Mon, 21 Sep 2026 00:00:00 GMTYour Drawing Says 6061 and the Shop Has 6082 on the Rackhttps://alucncparts.com/blog/6082-vs-6061-aluminum/https://alucncparts.com/blog/6082-vs-6061-aluminum/6082-T6 against 6061-T6: strength, machinability, anodizing and corrosion. When the European equivalent is a safe substitution and when it is not.Mon, 21 Sep 2026 00:00:00 GMTWhere the Money Goes in an Aluminum Machining Quotehttps://alucncparts.com/blog/aluminum-machining-cost/https://alucncparts.com/blog/aluminum-machining-cost/A breakdown of what you pay for in a machined aluminum part: programming and fixturing, cycle time, stock size, alloy premium, coating minimums and quantity.Mon, 21 Sep 2026 00:00:00 GMTHow to Know the Metal Is What the Drawing Asked Forhttps://alucncparts.com/blog/aluminum-material-certs/https://alucncparts.com/blog/aluminum-material-certs/What a mill certificate actually proves, the difference between a cert, CoC and full traceability, when to require them and what they add to a machined part price.Mon, 21 Sep 2026 00:00:00 GMTYou Are Buying the Block, Not the Parthttps://alucncparts.com/blog/aluminum-stock-forms/https://alucncparts.com/blog/aluminum-stock-forms/How stock form drives the price of a machined aluminum part, standard plate and bar sizes worth designing to, and when an extrusion beats machining from solid.Mon, 21 Sep 2026 00:00:00 GMTRa 1.6 Is Free, Ra 0.4 Is Nothttps://alucncparts.com/blog/aluminum-surface-finish-ra/https://alucncparts.com/blog/aluminum-surface-finish-ra/What Ra values mean on a machined aluminum part, which ones come off the machine for nothing, which need an extra operation, and how finish interacts with anodizing.Mon, 21 Sep 2026 00:00:00 GMTThe Letters After the Alloy Number Are Not Optionalhttps://alucncparts.com/blog/aluminum-temper-guide/https://alucncparts.com/blog/aluminum-temper-guide/What T6, T651, T4, T73 and O mean on an aluminum drawing, why T651 matters on plate, and what happens to your part when the temper is left off the print.Mon, 21 Sep 2026 00:00:00 GMTTolerance Every Feature and You Will Pay for Every Featurehttps://alucncparts.com/blog/aluminum-tolerances-guide/https://alucncparts.com/blog/aluminum-tolerances-guide/Standard, precision and tight tolerance bands on machined aluminum, what each one costs in machine and inspection time, and how to tolerance a drawing properly.Mon, 21 Sep 2026 00:00:00 GMTThe Part Was Flat Until the Clamps Came Offhttps://alucncparts.com/blog/aluminum-warping-residual-stress/https://alucncparts.com/blog/aluminum-warping-residual-stress/Where residual stress in aluminum comes from, why parts bow when material is removed, and the material, sequencing and design choices that keep a part true.Mon, 21 Sep 2026 00:00:00 GMTTwo Black Parts, Two Different Blackshttps://alucncparts.com/blog/anodize-colour-consistency/https://alucncparts.com/blog/anodize-colour-consistency/Why anodized aluminum parts vary in colour between batches and between alloys, what actually controls the shade, and how to specify a finish that matches.Mon, 21 Sep 2026 00:00:00 GMTThe Coating Is Not Free, It Takes Up Spacehttps://alucncparts.com/blog/anodize-dimensional-growth/https://alucncparts.com/blog/anodize-dimensional-growth/The 50/50 rule explained: how much an anodized surface grows, what it does to bores, threads and slip fits, and the three ways to specify around it.Mon, 21 Sep 2026 00:00:00 GMTChoosing Between Decorative Anodize and Hardcoathttps://alucncparts.com/blog/anodizing-type-ii-vs-type-iii/https://alucncparts.com/blog/anodizing-type-ii-vs-type-iii/Type II and Type III anodizing compared: coating thickness, hardness, colour options, electrical insulation, cost and which one your machined aluminum part needs.Mon, 21 Sep 2026 00:00:00 GMTWhen the Part Has to Carry Current, Anodize Is Wronghttps://alucncparts.com/blog/chem-film-vs-anodize/https://alucncparts.com/blog/chem-film-vs-anodize/Chem film to MIL-DTL-5541 against anodizing: electrical conductivity, thickness, corrosion protection, cost and when each finish belongs on an aluminum part.Mon, 21 Sep 2026 00:00:00 GMTThree Quotes That Are Not Quoting the Same Parthttps://alucncparts.com/blog/compare-aluminum-machining-quotes/https://alucncparts.com/blog/compare-aluminum-machining-quotes/Three shops, three prices, three different assumptions. How to normalise aluminum machining quotes on stock, tolerance, finish, inspection, certs and lead time.Mon, 21 Sep 2026 00:00:00 GMTChoosing Aluminum for Parts That Live in Salt Waterhttps://alucncparts.com/blog/marine-aluminum-5052-5083/https://alucncparts.com/blog/marine-aluminum-5052-5083/Why 5052 and 5083 survive marine service where 6061 and 7075 struggle, what happens when you mix aluminum with stainless fasteners, and how the alloys machine.Mon, 21 Sep 2026 00:00:00 GMTWhen a Plate Has to Stay Flat, Rolled Aluminum Is the Wrong Starthttps://alucncparts.com/blog/mic6-vs-6061-plate/https://alucncparts.com/blog/mic6-vs-6061-plate/MIC-6 cast tooling plate against 6061-T651 rolled plate: flatness, internal stress, thread strength, cost and how to decide which one your part needs.Mon, 21 Sep 2026 00:00:00 GMTThe Wall Is Not Too Thin Until It Starts Movinghttps://alucncparts.com/blog/thin-wall-aluminum-machining/https://alucncparts.com/blog/thin-wall-aluminum-machining/Height to thickness ratios, chatter, deflection and springback in thin wall aluminum parts, plus the design changes that keep a light part machinable.Mon, 21 Sep 2026 00:00:00 GMTAluminum Threads Strip, and Usually It Is the Designhttps://alucncparts.com/blog/threads-in-aluminum-inserts/https://alucncparts.com/blog/threads-in-aluminum-inserts/How deep to tap aluminum, when a coil insert or a solid bushing is worth it, thread repair options, and what anodizing does to a tapped hole.Mon, 21 Sep 2026 00:00:00 GMTWhat to Settle Before You Order Aluminum CNC Partshttps://alucncparts.com/blog/aluminum-cnc-parts-guide/https://alucncparts.com/blog/aluminum-cnc-parts-guide/A first buyer's guide to machined aluminum parts: picking the alloy, writing tolerances a shop can price, choosing a finish and knowing what drives the quote.Sun, 20 Sep 2026 00:00:00 GMT