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Material 321 (X10CrNiTi18-9):Cutting conditions, Recommended Carbide Grades, Equivalent Material Standards, and Chemical Composition.
Mar 28, 2008 · Machining 321 Stainless Steel. thread281-213190. Forum. Search. FAQs. Links. MVPs. Dtuck (Mechanical) (OP) 28 Mar 08 09:34. Drilling a hole pattern in 2" thick 321 Stainless and tools aren't lasting. Carbide reamers getting chewed as well as drill bits. Any materials, speeds or feeds to recommend?
- You have not indicated the diameter of hole you are drilling. This is very important as the drill penetration rate may be limited by its strength....
- Try cobalt bits. I work a lot with stainless 304/308 and these are the only ones that actually last longer than one hole. Try cutting fluid and a...
- There's some useful feed and speed information here. http:/ /www.preci siontwistd rill.com/t echhelp/he lp_pages/j obber_leng th_amg.asp Software F...
- Here is a little information on machining 321 several years back. We were attempting to make fiber spinnerettes from 321 SS where we encountered so...
- Thanks for all your input so far. At 50 surface feet per minute we're getting five holes per high speed steel bit. I'm not ruling out the inclusion...
- I use sandvik 880 (U) tipped drills with 2020 grade tips in 321 stainless and other 'difficult' to machine materials (including c22 and c276 hastel...
- You may want to take a look at the fluids in use as well -- I test in 316L and can see a 50%+ change in the torque necessary to turn a tap or as mu...
- Old post, but this might be helpful to you or others... Vibration will kill carbide most of the time. See if you have the part / tools securely se...
- AutoDrill , Please click on this link thread404-230305: Self-stopping drill depth? and see if you can assist the OP with his problem. Read the wh...
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What is Grade 321 stainless steel machinability?
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Machining 321 stainless. This alloy steel is prone to work hardening and can be difficult to machine due to the addition of titanium - recommend rigid, powerful machining with minimal vibration and a quality lubricant, with tools kept sharp at all times. Avoid interrupted cuts to prevent unnecessary work hardening.
Grade 321 stainless steel machinability is 36% in annealed conditoin based on a machinability rating of 100% for 1212 steel. Nominal speeds and feeds for turning a variety of steels and cast irons with high-speed steel (HSS) single-point and box tools. Material. Hardness, HB. Condition. Depth of cut, mm (in) High-speed steel tool. Tool material.
May 23, 2008 · Recommended speeds for cutting stainless aisi 321. evidence_UA. Mar 20, 2016. 7. 10,464. evidence_UA. Aluminum. Joined. Nov 23, 2015. Mar 20, 2016. #1. HI guys, Need some practical advice for cutting heat resistant stainless steel. At least, some range of revolutions to cut-off.
Mar 17, 2023 · 321 Stainless Steel – Knowing Properties & Applications. With this guide, you will learn everything about 321 SS, its advantages, disadvantages, its properties, fabricating and machining properties, its unique forms, and more. Read more for accurate details.
