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Graham Williams 11	14/09/2019 12:03:54
80 forum posts 41 photos	Is black, presume hot rolled, round steel bar generally or always of EN3B spec??? Cheers GW
Andrew Johnston	14/09/2019 12:07:12
7061 forum posts 719 photos	EN3 is the most common spec, but not the only one. You can get EN8 as black bar. Andrew
JasonB	14/09/2019 13:18:22
25215 forum posts 3105 photos 1 articles	You can even get EN1A but not from many of the usual ME suppliers.
vintage engineer	14/09/2019 14:25:33
293 forum posts 1 photos	Be very careful with mild steel black bar. This is normally recycled steel and full of all sorts of crap!
David George 1	14/09/2019 16:31:39
2110 forum posts 565 photos	I have EN 40B black bar and EN 32 black bar so beware what you buy and suplier. David
John MC	14/09/2019 18:02:50
464 forum posts 72 photos	My preference is to always go for black bar if it's available in the grade of steel I want to purchase. Two reasons, its usually cheaper than bright drawn, also less prone to distortion during machining. If steel is sold as EN3, black or cold drawn it will be EN3. All "new" steel will contain recycled steel, steel being one of the most recycled materials. John
duncan webster	15/09/2019 00:18:38
5307 forum posts 83 photos	Posted by John MC on 14/09/2019 18:02:50: My preference is to always go for black bar if it's available in the grade of steel I want to purchase. Two reasons, its usually cheaper than bright drawn, also less prone to distortion during machining. If steel is sold as EN3, black or cold drawn it will be EN3. All "new" steel will contain recycled steel, steel being one of the most recycled materials. John And a lot of cast iron is made from steel scrap by adding carbon. The reason I think is you know what you are starting with, so you have a chance of knowing what you finish with.

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