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60,000+ Metal Finishing Shop Problems, Q&A's and RFQs,

The finishing Hotline includes more than 60,000 Shop Problems, Q&A's and RFQs about metal finishing. This page is an archive of a thousand of those discussions. You may prefer to start at our Home page, view the most recent threads, or search the site. 50003. Hard to :1144 Steel Round Rod, Unpolished (Mill) Finish The 1144 carbon steel round rod has been cold drawn, has an unpolished (mill) surface, meets American Society for Testing and Materials International ASTM A311 specifications, and has a standard tolerance. The 1144 carbon steel grade has medium carbon content for strength, hardness, and resistance to wear, and provides better machinability than 1045 carbon steel.

Fatigue proof vs stressproof" Keyword Found Websites

Fatigue proof vs stressproof keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website Live center modifications - The Home Machinist!Jun 15, 2017 · Another thing, the body OD was ridiculously huge, the wall thickness at the front bearing was like .235" thick. I cut .200" off the OD for more toolpost/compound clearance. I don't know what that material is, but it is HORRIBLE STUFF. The chips behave like Stressproof but oh man, it's not. Nothing I tried would cut it without tearing. Making dies. [Archive] - Cast BoolitsMay 28, 2013 · Team. Now I have my lil lathe and a client is a supplier of fasteners I figured I might have a play with making some dies for my press. Made a die to hold Lyman/RCBS boolit sizing dies so I can use to Lee push through style and also a multi cartridge 'M' die. My client has 7/8x14 bolts. What should I avoid in terms of ease in machining?

Radial engine build Canadian Hobby Metal Workers

Apr 08, 2016 · Jul 19, 2015. #1. Jul 19, 2015. #1. Some work-in-progress pics of my current project. Its a 5-cylinder 4-stroke model radial engine, 24mm bore x 22mm stroke 50cc total displacement. Uses RC methanol based fuel & glow plug ignition. About 950-5500 rpm. I Shafts:4140 vs 4150? - Metal and Metallurgy engineering Jan 30, 2004 · the only difference I see in these two steels chemistry is the carbon content:0.38-0.43 vs 0.48-0.53 for an nominal increase in carbon of .1%wt. The differences btw the steels in service is:additional carbon causes:less machinable, stronger, better quenching response (hardneability), harder martensite,lower corrosion resistance. Sherline Gear-Driven Power Feed Page 2 The Hobby Sep 20, 2018 · I wanted to show you what the feed motor does but I don't have many pics of something like that. I do, however, have a pic of my live center and I used the feed motor to machine the thing. The bearing housing and tailstock arbor are 1144 Stressproof

Shock proof materials" Keyword Found Websites Listing

1144 vs Stressproof (the real thing) Practicalmachinist DA:26 PA:50 MOZ Rank:91. Overall surface finish was noticably better on the Stressproof, although the 1144 has always given very acceptable finishes; Cost difference was 13 cents per pound, or about a quarter apiece on a $22 part What Did You Buy Today? Page 29 The Hobby-MachinistApr 20, 2017 · Now I don't need to; a Tesa thread micrometer is a jewel to use. I haven't compared them to a three wire reading yet but I cut a 1/2-20 class 3 thread on a 1144 stressproof stud - running fit with zero play. No, you can go play with your dough. I'll settle for my Tesa but I'll be smiling! What to make a small/long HBM boring bar with Jul 27, 2021 · I called and got a price on 1144 stressproof. $400 for 6 ft of 2-3/16" the only size in stock on the west coast. Must be some real great stuff. Went to my rem pile and pulled out a 4' long bar of 2" 1045 and some bronze bushing stock. Turned a step in the end of

ASSRA Forum - Green Mountain barrel question

I see 1144 stressproof mentioned, it will not work for button rifled barrels. Bauska tried using it about 20 years back and it would split while pushing the button through. I have the book by Jerry Cunningham ( Orion Barrel)on 12L14 muzzle loading barrel where he tried to blow them up.