What do the color codes signify in stainless steel casting, and how are they used? I've remark that stainless steel casting oftentimes comes with color codes, but I'm not of course what they mean or how they're used. Can somebody help decode the significance of those color codes in stainless steel casting?

What sets Vg10 stainless steel apart in foundry applications? I've been reading up on various types of stainless steel and came throughout Vg10. It seems to be highly praised in the knife-making community, however I'm curious about its applications in foundries. Does anyone get insights on why Vg10 may well be favored in this context?