Looks like it was a miscommunication and the Note 10 doesn't have stainless steel frame like the latest iPhones. Standard aluminum as usual.
Just FYI
https://www.theverge.com/2019/8/9/20799085/samsung-galaxy-note-10-frame-aluminum-steel-video
"Samsung has now confirmed to The Vergethat the Note 10’s frame is made from aluminum, just like the company’s other flagships in recent years"
Just FYI
https://www.theverge.com/2019/8/9/20799085/samsung-galaxy-note-10-frame-aluminum-steel-video
"Samsung has now confirmed to The Vergethat the Note 10’s frame is made from aluminum, just like the company’s other flagships in recent years"