O Forno a Vapor é uma estrutura multibloco do mod Railcraft. Esta máquina é usada para smelt itens, usando Vapor como combustível. O forno a vapor é construído a partir de blocos de Forno a Vapor em um cubo 2x2x2. O forno a vapor tem nove slots de entrada e nove slots de saída. Custa 8000mB por operação, mas funde todo o primeiro conjunto de itens em todos os slots de entrada por operação. Cada operação leva 12,8 segundos.
Os recipientes de vapor não podem ser diretamente colocados na máquina; Algum tipo de dispositivo automático de transporte de líquidos, como Liquid Unloader, deve ser usado.
Enxofre· Saltpeter· Raw Firestone· Dark Diamond Ore· Dark Emerald Ore· Dark Lapis Lazuli Ore·Poor Ore
Refined
Coal Coke· Block of Steel· Crushed Obsidian· Obsidian Dust· Steel· Tin Ingot· Copper Ingot· Lead Ingot· Tin Nugget· Copper Nugget· Lead Nugget· Charcoal Dust· Cut Firestone· Refined Firestone· Cracked Firestone· Block of Coal Coke· Block of Tin· Block of Copper· Block of Lead
Blast Furnace Brick·Blast Furnace· Coke Oven Brick·Coke Oven· Iron Tank Wall· Iron Tank Gauge· Iron Tank Valve·Iron Tank· Rock Crusher· Solid Fueled Firebox· Liquid Fueled Firebox· Low Pressure Boiler Tank· High Pressure Boiler Tank·Steam Boiler· Water Tank Siding·Water Tank· Steam Oven· Steel Tank Wall· Steel Tank Gauge·Steel Tank·Steam Turbine· Steam Turbine Housing· Steel Tank Valve
Block Signal· Distant Signal· Dual-Head Block Signal· Signal Capacitor Box· Signal Controller Box· Analog Signal Controller Box· Switch Lever· Switch Motor· Signal Receiver Box· Signal Interlock Box· Routing Switch Motor· Signal Sequencer Box· Dual-Head Distant Signal· Signal Block Relay Box· Railway Ticket· Golden Railway Ticket
Magnifying Glass· Signal Block Surveyor· Signal Tuner· Whistle Tuner· Routing Table· Electric Meter
Armor
Steel
Helmet· Chestplate· Leggings· Boots
Misc
Engineer's Overalls· Trackman's Goggles
Components
Circuits
Controller Circuit· Receiver Circuit· Signal Circuit
Gears
Gold-Plate· Iron· Steel· Tin Gear Bushing
Plates
Iron· Steel· Tin
Rails
Rebar· Signal Lamp· Advanced Rail· H.S. Rail· Reinforced Rail· Standard Rail· Wooden Rail· Electric Rail· Wooden Railbed· Stone Railbed· Stone Tie· Wooden Tie