MSRR material's 7064 and 6521

[mbrooking22]

Hi,

Can anyone tell what the following Rolls Royce MSRR material specs are?

7064
6521

I have a hunch that 7064 is Nimonic and 6521 is stainless, but would appreciate confirmation and brief description from any of you guy's.

Regs
Mark

 

[TVP]

MSRR 6521 is a type of maraging steel. Here is a link from Tata Steel showing nominal composition:

http://www.tatasteeleurope.com/file...ns/Tata_Steel_Aerospace_Pocket_Book_Aug12.pdf

 

[tbuelna]

Here's a link to the R-R supplier portal documents page.

Here's a public source document from R-R that lists, "Index: MLC101/5 Subject: MSRR’s 7000-7949, Heat resisting and refractory alloys".

Hope that helps.
Terry