Tin:

Natural metal (can be found as an ore)
Found at heights from 30 to -62, with nearly the same rarity as Gold
Has a block and bars variant
Crafting component for Bronze Mix
Doesn't have armor and tools

Bronze:

Alloy (crafted and smelted/blasted from other metals)
Smelted from Bronze Mix; make it by combining Raw Tin/Tin Ingot with Raw Copper/Copper Ingot
Slightly better than iron in stats, much more durability
Still worse than diamond gear
Sword has 20 durability less than the rest of the gear

I'll be updating the mod shortly, adding two more alloys before 1.0.0.

Q&A:

1. Can I use this mod in my modpack?

You can use this mod in any modpack you'd like to create.

2. Can I re-upload this mod on other modding platforms?

Sure, just rename it to include "(RE-UPLOADED)" in the name, and put the original Curseforge link in the description. Optionally: let me know what you did through the comment section (I wanna see the downloads :D)

3. Can I get my custom alloy idea in your mod?

Yes, possibly! Write your idea down in the comments section, I'll grab ideas from there.

Not Enough Alloys