diff --git a/changelog.txt b/changelog.txt
index bdb5689..5ec32e4 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,14 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.6.2
+Date: 2021-07-02
+  Changes:
+    - SE Update smelting unlock
+---------------------------------------------------------------------------------------------------
+Version: 0.6.1
+Date: 2022-07-01
+  Changes:
+    - SE: minor tech tree tweaks
+---------------------------------------------------------------------------------------------------
 Version: 0.6.0
 Date: 2022-07-01
   Changes:
diff --git a/data-final-fixes.lua b/data-final-fixes.lua
index cca2faf..8221e17 100644
--- a/data-final-fixes.lua
+++ b/data-final-fixes.lua
@@ -17,6 +17,10 @@ end
 if mods["space-exploration"] then 
   -- core mining balancing
   util.add_to_product("se-core-fragment-omni", "tungsten-ore", -3)
+
+  if string.sub(mods["space-exploration"], 1, 3) == "0.6" then
+    util.add_prerequisite("rocket-silo", "rocketry")
+  end
 end
 
 
diff --git a/data-util.lua b/data-util.lua
index ffda9ed..0994028 100644
--- a/data-util.lua
+++ b/data-util.lua
@@ -566,6 +566,14 @@ function util.set_subgroup(recipe_name, subgroup)
   end
 end
 
+-- Set item subgroup
+function util.set_item_subgroup(item, subgroup)
+  if me.bypass[item] then return end
+  if data.raw.item[item] and data.raw["item-subgroup"][subgroup] then
+    data.raw.item[item].subgroup = subgroup
+  end
+end
+
 -- Set recipe icons
 function util.set_icons(recipe_name, icons)
   if me.bypass[recipe_name] then return end
diff --git a/info.json b/info.json
index 394b3bf..5124912 100644
--- a/info.json
+++ b/info.json
@@ -1,5 +1,5 @@
 { "name": "bztungsten",
-    "version": "0.6.0",
+    "version": "0.6.2",
     "factorio_version": "1.1",
     "title": "Tungsten",
     "author": "Brevven",
diff --git a/tungsten-recipe-se.lua b/tungsten-recipe-se.lua
index 984e06b..0e7bfba 100644
--- a/tungsten-recipe-se.lua
+++ b/tungsten-recipe-se.lua
@@ -31,8 +31,8 @@ if string.sub(mods["space-exploration"], 1, 3) == "0.6" then
     order = "a-h-z-a",
   }
   })
-  data.raw.item["tungsten-plate"].subgroup = "tungsten"
-  data.raw.item["tungsten-carbide"].subgroup = "tungsten"
+  util.set_item_subgroup("tungsten-plate", "tungsten")
+  util.set_item_subgroup("tungsten-carbide", "tungsten")
   data:extend({
   {
     type = "item",
@@ -47,8 +47,8 @@ if string.sub(mods["space-exploration"], 1, 3) == "0.6" then
     name = "molten-tungsten",
     default_temperature = 3422,
     max_temperature = 3422,
-    base_color = {r=191, g=219, b=233},
-    flow_color = {r=191, g=219, b=233},
+    base_color = {r=255, g=160, b=60},
+    flow_color = {r=255, g=160, b=60},
     icons = {{icon = "__bztungsten__/graphics/icons/molten-tungsten.png", icon_size = 128}},
     order = "a[molten]-a",
     pressure_to_speed_ratio = 0.4,
@@ -126,6 +126,10 @@ if string.sub(mods["space-exploration"], 1, 3) == "0.6" then
     order = "a-c-b"
   },
   })
+  util.add_effect("se-pyroflux-smelting", {type = "unlock-recipe", recipe= "molten-tungsten"})
+  util.add_effect("se-pyroflux-smelting", {type = "unlock-recipe", recipe= "tungsten-ingot"})
+  util.add_effect("se-pyroflux-smelting", {type = "unlock-recipe", recipe= "tungsten-ingot-to-plate"})
+  util.add_effect("se-pyroflux-smelting", {type = "unlock-recipe", recipe= "tungsten-carbide-casting"})
   util.add_effect("se-vulcanite-smelting", {type = "unlock-recipe", recipe= "molten-tungsten"})
   util.add_effect("se-vulcanite-smelting", {type = "unlock-recipe", recipe= "tungsten-ingot"})
   util.add_effect("se-vulcanite-smelting", {type = "unlock-recipe", recipe= "tungsten-ingot-to-plate"})