superb-warfare/src/main/resources/data/superbwarfare/recipe/netherite_barrel_smithing.json

{
  "type": "minecraft:smithing_transform",
  "template": {
    "item": "minecraft:netherite_upgrade_smithing_template"
  },
  "base": {
    "item": "superbwarfare:cemented_carbide_barrel"
  },
  "addition": {
    "item": "minecraft:netherite_ingot"
  },
  "result": {
    "id": "superbwarfare:netherite_barrel"
  }
}