Hertha MetalsTM is revolutionizing the steel industry.

Powered by cutting-edge technology, Hertha Metals is scaling rapidly to deliver cost-effective solutions using domestic resources. Join us in driving the industry forward at rocket speed.

Hertha Metals is transforming steelmaking with Flex-HERS™, our proprietary platform technology powered by natural gas, hydrogen, and electricity. Unlike conventional processes, Flex-HERS™ enables steel production from any grade of iron ore or waste oxide, in any format—including fines and lumps—not just high-cost, DRI-grade pellets.

This semi-continuous, single-step process delivers tunable iron and steelmaking, and has been demonstrated at our pilot facility in Conroe, Texas at a tonnage-per-day scale.

With Flex-HERS™, Hertha Metals can tap into domestic iron ore resources and produce low-emission steel today using abundant natural gas. And as clean hydrogen becomes more available and affordable, we can switch fuels—without changing the furnace. That means no stranded assets, and a future-proof path for steel production.

Flex-HERSTM Technology

Impact:

  • Enables iron and steel production from low-grade ore, fines and waste oxides 
  • Single-step production using abundant natural gas or clean hydrogen
  • Scalable technology to serve multiple markets
  • High-performance steel alloys under development
Flex-HERS™ enables steel production from any grade of iron ore or waste oxide, in any format
With Flex-HERS™, Hertha Metals can tap into domestic iron ore resources and produce low-emission steel today using abundant natural gas, or clean hydrogen

Hertha's process has been demonstrated at a continuous 1 tonne-per-day scale in Conroe, TX USA