How are you doing?
Well, Chainmail (at least what i think chainmail is hehe) is a texture not much used in the Heavy Armors sets.
But if you are going for a Chainmail + Plate/Metal parts, i would suggest you to check out the two sets:
- Commanders (https://wiki.guildwars2.com/wiki/Commander%27s_armor) [i see you got some pieces of this already)
- And Council Guard armor (https://wiki.guildwars2.com/wiki/Council_Guard_armor)
Since those two have some cool realistic texture and color.
Specially the comander is the only one i can think that have the Chainmail look, besides the low lvl ones.
Check this article from the wiki to see all of them togheter and see them better in your mind.
All the best!