Specializing in heat treatment of Nickel Alloys, Stainless and Low Alloy steels with energy-efficient furnaces and exceptional quality control
Howco prides itself on operating one of the largest capacity heat treatment facilities in the UK. Our state-of-the-art facility combines advanced technology with decades of metallurgical expertise to deliver superior heat treatment services.
We utilize energy-efficient furnaces and maintain tight quality control throughout the heat treatment process, ensuring exceptional quality and on-time service for components ranging from small precision parts to massive 20-tonne assemblies.
With furnaces accommodating up to 20 tonnes and 6.4m length, we handle projects that others simply cannot, making us the preferred partner for large-scale industrial applications.
Industry-leading capacity combined with precision control for superior results
Largest in the UK
Extended components
±5°C tolerance
Rapid quenching
Full digital furnace charts with complete cycle documentation
±5°C temperature uniformity throughout the working zone
Continuous monitoring with automated alarm systems
Various sizes to optimize efficiency for any job size
Full range of heat treatment services to achieve optimal material properties
Restore ductility and relieve internal stresses
650-1100°C
Multiple quench media options with sub-60 second transfer time for optimal results
Rapid cooling for maximum hardness
Cooling Rate
Fastest cooling
Best For
Carbon steels, low hardenability steels
Controlled cooling with reduced distortion
Cooling Rate
Medium cooling
Best For
Complex shapes, medium alloy steels
Slower cooling for reduced cracking risk
Cooling Rate
Slow cooling
Best For
High alloy steels, large sections
Our sub-60 second transfer time from furnace to quench ensures optimal metallurgical properties and minimizes oxidation for superior quality results.
Complete metallurgical services under one roof for comprehensive quality assurance
In-house mechanical and metallurgical testing laboratory
Comprehensive corrosion resistance evaluation
Complete NDT services for quality verification
Commercial tolerance straightening up to 14" diameter
Inconel 625
Inconel 718
Monel K500
Hastelloy
Specialized procedures for aerospace and oil & gas applications
316/316L
17-4PH
Duplex
Super Duplex
Optimized for corrosion resistance and mechanical properties
4130
4140
4340
8630
Precise control for strength and toughness requirements
Every heat treatment cycle is meticulously controlled and documented to ensure compliance with international standards and customer specifications
Complete furnace charts and cycle data for every treatment
100% hardness inspection to confirm treatment effectiveness
Modern furnaces reduce environmental impact and costs
From small precision components to 20-tonne assemblies, our expert team delivers exceptional heat treatment results on time, every time