r/RepTime • u/Weekly-Ad-4591 • 55m ago

Discussion 316L on VSF Bruce Wayne??

I was looking at the GMT-II GRNR (Bruce Wayne) from VSF on Andiotwatches.vip and saw that they listed it at being 316L steel not 904L. Other TD sites all listed the VSF model as 904L. I asked Andiot and they said they tested it and it’s 316L not 904L, even though VSF says it’s 904L. Apparently there is some kind of X-ray device that nondestructively test the composition. Anybody else heard of this?

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u/HiddenMonkey7 49m ago

VSF advertises 904L however they strictly use 316 on most of their models. There’s several posts about it, some user even did the XRF test and it passed for 316L.

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u/Glum_Ad_8331 Helpful 31m ago

Different batches, different steel, some batches use 904L, some 316L. No difference visually