Chemical Processing Materials

Corrosion-resistant materials for chemical reactors, process equipment, and piping systems

Corrosion ResistantChemical ReactorsProcess EquipmentNACE Compliant

Materials for Aggressive Chemical Environments

Chemical processing operations expose materials to highly aggressive environments including strong acids, bases, oxidizing agents, and elevated temperatures. Equipment must maintain structural integrity and resist corrosion over extended service periods while ensuring product purity and safety.

Howco specializes in providing corrosion-resistant materials and precision manufacturing services specifically engineered for the demanding requirements of chemical processing applications.

Chemical Reactors

• Batch reactors
• Continuous reactors
• Pressure vessels
• Autoclave systems
• Catalyst beds

Heat Exchangers

• Shell & tube exchangers
• Plate heat exchangers
• Spiral exchangers
• Condensers
• Reboilers

Distillation Equipment

• Distillation columns
• Fractionation towers
• Packed columns
• Internals & trays
• Reflux systems

Storage Systems

• Storage tanks
• Day tanks
• Mixing vessels
• Buffer tanks
• Secondary containment

Piping Systems

• Process piping
• Transfer lines
• Headers & manifolds
• Specialty fittings
• Expansion joints

Pump & Valve Components

• Pump casings
• Impellers
• Valve bodies
• Trim components
• Sealing systems

Challenging Chemical Environments

Strong Acids

Sulfuric, hydrochloric, nitric acids

Caustic Solutions

Sodium hydroxide, potassium hydroxide

Oxidizing Media

Chlorine, hydrogen peroxide, ozone

High Temperature

Up to 1000°F+ process conditions

Corrosion-Resistant Material Solutions

Acid Service Applications

Nickel Alloys

• Hastelloy C-276: Mixed acid environments
• Hastelloy C-22: Oxidizing acid service
• Inconel 686: Sulfuric acid applications
• Alloy 59: Extreme acid resistance

Stainless Steels

• 316L: Mild acid applications
• 904L: Sulfuric acid service
• AL-6XN: Strong acid resistance
• 254 SMO: Chloride environments

Caustic Service Applications

Nickel-Based Alloys

• Nickel 200/201: High-purity caustic service
• Monel 400: Moderate caustic applications
• Inconel 600: High-temperature caustic

Specialty Steels

• Carbon Steel: Concentrated caustic solutions
• 310 Stainless: High-temperature applications
• Carpenter 20: Mixed caustic environments

Chlorine & Oxidizing Service

Titanium Alloys

• Titanium Gr 1/2: Wet chlorine service
• Titanium Gr 7: Reducing acid environments
• Titanium Gr 12: High-strength applications

Exotic Alloys

• Hastelloy B-3: Hydrochloric acid
• Zirconium 702: Extreme chloride resistance
• Tantalum: Ultimate corrosion resistance

High-Temperature Chemical Service

Heat-Resistant Alloys

• Inconel 625: High-temperature oxidation
• Haynes 230: Extreme temperature service
• HR-160: Sulfidizing environments

Refractory Materials

• Molybdenum: High-temperature reducing atmospheres
• Tungsten: Extreme temperature applications
• Rhenium: Ultra-high temperature service

Specialized Manufacturing Services

Precision Fabrication

• Complex vessel fabrication
• Precision machining
• Exotic material welding
• Surface finishing

Surface Treatment

• Passivation
• Electropolishing
• Chemical cleaning
• Protective coatings

Quality Control

• NACE compliance
• Corrosion testing
• Material certification
• Process qualification

Industry Standards & Compliance

NACE MR0175

Sour Service

ASME B31.3

Process Piping

ASME VIII

Pressure Vessels

ASTM Standards

Material Specifications

Solve Your Corrosion Challenges

Let our materials experts help you select the optimal corrosion-resistant solutions for your chemical processing applications.

Contact Our Chemical Experts