Best mild steel for drilling?

Best mild steel for drilling?

This topic has 5 replies, 4 voices, and was last updated 21 December 2014 at 00:01 by Keith Long.

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20 December 2014 at 12:28 #173095
Chris Denton
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@chrisdenton53037
Morning, I'm wondering the best mild steel rod for drilling on a lathe?

EN1A or EN3B?

Thanks,
Advert

20 December 2014 at 12:28 #23629
Chris Denton
Participant
@chrisdenton53037
20 December 2014 at 12:57 #173102
colin hawes
Participant
@colinhawes85982
EN 1A is the easiest steel to get a smooth finish on that's why it is also known as freecutting. EN3B also easy to machine though. Colin
20 December 2014 at 17:15 #173109
Vic
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@vic
How many types of mild steel are there guys?
20 December 2014 at 23:42 #173123
Chris Denton
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@chrisdenton53037
Thanks!
21 December 2014 at 00:01 #173127
Keith Long
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@keithlong89920
Vic

Taking "mild steel" as being anything with less than 0.3% carbon, one of the tables in the 1963 "Mechanical World Year Book" lists over 30 different EN numbers all with different compositions – so I guess the real answer is greater than that, ie a lot.

Keith
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