1144 Stress-proof equivalent in Europe?

[DiegoVV]

Hi fellow members,

For the crankshaft of my next project (An Offy 270), the plans asks for 1144 to make the crankshaft. I understand that this steel combines great machineability with low internal stress that will help in keeping it straight when removing large amounts of material.

The problem is that I don´t seem to find the equivalence of 1144 in the European standards. Does any colleague from the old side of the world have any suggestion?

Thank you all!

 

[Bessemer20]

The European equivalent of 1144 stress proof steel is typically considered to be EN 10088: 44SMn28 under the European standard, which is a steel grade with similar properties to 1144 steel, particularly its high strength and good ductility.

 

[TonyM]

EN 10088 is stainless steels standards. https://bssa.org.uk/bssa_articles/c...BS EN 10088-3 is,duplex), grades are included.

 

[Bessemer20]

That was what come up in a quick Google search.

 

[TonyM]

The nearest chemical composition is probably EN16C That probably makes it easy to machine but "stressproof" relies more on the production method than composition.