Furnace 01 · Running
Houston, TX
Hertha Chalyx · 2027
Grades shipping: MG · SG
HEAT 01
Iron & steel, made in one step
Steel, Reforged.
American iron and steel, made from any grade of ore in a single step. From high-purity iron to steel, shipping from Houston.
Low-carbon steel /
High-purity iron 99.9%+ Fe /
Any ore /
Any fuel /
One step /
Start from a clean slate. Make anything.
01 / Iron · Grade MG
02 / Steel · Grade SG
● Trial heats available
03 / steel-grade
Need another spec?
0
Years of coke-based steel
0
STEP
Ore to iron and steel
0
.95
%
High-purity iron, Fe
0
t/day
Continuous pilot, Houston TX
Where clean iron and steel go.
From AI data centers to jet engines, it starts with clean iron and steel.
HEAT 03
Vision
It's time to leave 1850 behind. Our vision is to reinvent iron and steelmaking for a world that demands more, with fewer constraints on resources, energy, and cost.
In
Any ore. Fines, lumps, waste oxides.
Through
Natural gas today. Hydrogen tomorrow.
Out
Tunable iron and steel. One step.
>20%
Below blast-furnace cost.
Conventional iron passes through four plants before it’s usable. Ours comes out of one furnace, from any grade of ore, on natural gas instead of metallurgical coal. Fewer plants means less capital and less energy in every ton you buy.
Modeled cost vs. the blast-furnace route
Four plants. One furnace.
HEAT 05
The people at the furnace.
Metallurgists, engineers and operators who have run a continuous furnace in Houston for two years, led by veterans of JSW Steel, AM/NS Calvert, Nucor, Blue Origin and Bechtel.
HEAT 06
Tonnage that scales.
- Operational
Houston, Texas
- Now · Shipping
Pilot facility, 1 t/day
~360 t/yr
~1 t/day, running continuously. Qualification samples and trial heats today.
- 2027 · Targeted
Hertha Chalyx, Houston, TX
10,000 t/yr
Commercial volumes of high-purity iron, plus demonstration-scale steel. Offtake for 2027 is open now.
- 2030 · Targeted
Commercial mill
500,000 t/yr
Mill-scale supply of iron and steel.
Backed by
In the press.
HERTHΛ
THE PRESS ISSUE
FORGING
THE
FUTURE
OF STEEL.
CLICK A PAGE TO TURN IT
This founder is making cheaper, cleaner steel
READ ↗
Testing her metal: Laureen Meroueh’s $1 billion plan to revolutionize steel
READ ↗
Laureen Meroueh interviewed onstage as Opening Keynote at AIST Association for Iron & Steel – Women in Steel Conference
READ ↗
Hertha Metals Unveils Breakthrough Process to Accelerate American-Made Steel and High-Purity Iron Production
READ ↗
Startup Claims Its Green Steel Will Be Cheaper Than Regular Steel
READ ↗
Hertha Metals Featured on Netflix’s
READ ↗
Hertha Metals Recognized by Houston InnovationMap
READ ↗
Hertha Metals Wins U.S. Department of Energy EPIC 2024 Competition
READ ↗
Hertha Metals Featured on FORTUNE/Yahoo Finance
READ ↗
The Economist: A Trio of Firms Want to Clean Up Steelmaking
READ ↗
Hertha Metals says it has faster, cheaper steel tech
READ ↗
A better tomorrow is made here, featuring Hertha Metals
READ ↗
Seventh graders embrace Conroe’s Youth to Career Fair
READ ↗The Economist: A Trio of Firms Want to Clean Up Steelmaking
Read the article ↗Feature
Hertha Metals breaks ground on high-purity iron facility to supply permanent magnet industry; steel production to follow
Read the article ↗Fastmarkets
This founder is making cheaper, cleaner steel
Read the article ↗MIT Technology Review
HEAT 07
Order material
Let's build together.
Send us your spec. High-purity iron samples and steel-grade trial heats ship from Houston today.