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Refined hazard concrete — Factorio Production Calculator

Refined hazard concrete is crafted in the assembling machine in 0.25 seconds, producing 10 per craft from 10 × Refined concrete. At 60 per minute you need 0.05 assembling machines, and the chain behind it draws on 3 raw resources: water, stone, iron ore.

Production chain for 60 Refined hazard concrete / minute

ItemPer minuteMachinesMachine
Concrete1204Assembling machine
Refined hazard concrete600.05Assembling machine
Refined concrete603Assembling machine
Stone brick603.2Furnace
Iron plate542.88Furnace
Iron stick480.4Assembling machine
Steel plate61.6Furnace

Raw materials

ResourcePer minute
Water1,800
Stone120
Iron ore66
Assembling machine 7.5
Furnace 7.7

Machine counts are not rounded up. Add a little headroom in game — belt throughput and inserter speed usually mean you want 5-10% more than the exact number.

Refined hazard concrete recipe

MachineCrafting timeOutputIngredients
Assembling machine0.25 s10Refined concrete × 10

What the whole chain needs

60 refined hazard concretes per minute pulls in 6 intermediate products, and the whole tree comes to 15 machines across 2 machine types, fed by 3 raw resources. The table above already sums demand across every branch — if copper cable is used by two recipes, you see the total, not one of them.

Belt check: the busiest input here moves 1,800 per minute, which is 2 of a yellow belt's 900 per minute. Above 1.0 and you need a second belt (or a faster tier) before the machines themselves become the limit.

What uses refined hazard concrete

No base-game recipe consumes refined hazard concrete — it is an end product. Once you build it, the chain stops here, which makes it a good target if you only want to size the sub-factory that feeds your mall.

What refined hazard concrete is made from

FAQ

How many assembling machines do I need for 60 refined hazard concretes per minute?

0.05 assembling machines. One at standard speed produces 1,200 per minute, so 60 ÷ that number is the count. The calculator above rounds nothing — add 5-10% headroom for belt and inserter losses in a real factory.

How much raw ore does refined hazard concrete take?

At 60/min the chain consumes 1,800 water per minute, 120 stone per minute, 66 iron ore per minute. Those numbers are the theoretical minimum — mining productivity research and productivity modules both reduce them.

Machine counts assume bare machines at standard speed. Recipe data comes from the game's own prototypes (PlayerCalc, Factorio 2.0 base game). Not affiliated with Wube Software.