Tsisco Industrial Ltd.

 中文 | English  

E-mail Login | Home Page | Sitemap | Contact

Chemical & Petrochemical

Corrosion-Resistant Alloys for Aggressive Chemical Processing | Engineering Barriers Against Acids, Alkalis, and Extreme Pressures


Page Overview    
In the chemical and petrochemical industries, the medium is the enemy. Processing plants must handle aggressive fluids—from concentrated sulfuric acid to high-pressure urea synthesis—without compromising safety or efficiency. Tsisco Industrial Ltd. specializes in "Corrosion Management." We provide a full spectrum of Super Austenitic Stainless Steels and Nickel Alloys designed to withstand the harshest chemical environments, ensuring compliance with ASME B31.3 Process Piping codes and maximizing plant uptime.    
1. Aggressive Acid Service: Defying Sulfuric & Phosphoric Corrosion    
The Challenge: Inorganic acids like Sulfuric (H₂SO₄) and Phosphoric (H₃PO₄) acid cause rapid general corrosion and pitting in standard stainless steels, especially at high concentrations and temperatures.    
The Solution:    
* Super Austenitic Mastery: We deploy Super Austenitic Stainless Pipes (P26), specifically grades 904L (N08904) and 254SMO (S31254).    
* Mechanism: With high levels of Nickel (25%) and Molybdenum (4.5-6.5%), these alloys offer a high Pitting Resistance Equivalent Number (PREN > 43), creating a stable passivation layer that resists chloride attacks and acid erosion.    
Mapped Products:    
* [P26] Super Austenitic Stainless Pipe: 904L and 6Mo grades for acid service handling.   

P26 Super Austenitic Stainless Pipe

904L and 6Mo grades for acid service handling.

2. Fertilizer Industry: Urea & Nitric Acid Grades    
The Challenge: The fertilizer industry presents unique metallurgical hurdles. Urea synthesis creates a highly corrosive ammonium carbamate environment at high pressure, while Nitric Acid requires materials resistant to intergranular corrosion.    
The Solution:    
* Urea Grade Specialty: Tsisco supplies 316L Mod (Urea Grade) within our Processing Piping (P30) range. This modified grade features strictly controlled Ferrite content (< 0.6%) to prevent selective corrosion in urea strippers.    
* Nitric Acid Service: We offer "Huey Test" certified materials optimized for oxidizing acid environments, ensuring longevity in nitric acid absorption towers.    
Mapped Products:    
* [P30] Process Piping: Specialized piping including Urea Grade 316L Mod.   

P30 Process Piping

Specialized piping including Urea Grade 316L Mod.

3. Plant Infrastructure: Piping Networks & Storage    
The Challenge: A chemical plant is a complex organism of kilometers of piping and massive storage vessels. The integrity of these connections and tanks is vital for environmental safety.    
The Solution:    
* Integrated Piping Systems: We provide complete Processing Piping (P30) packages fully compliant with ASME B31.3, covering straight pipes, elbows, and tees.    
* Vessel Fabrication: For chemical storage tanks and reactor shells, we supply wide Stainless Hot Rolled Coils (P12). These serve as the high-quality feedstock for spiral welded pipes or are uncoiled for tank wall fabrication.    
* Component Machining: For the manufacturing of valves, flanges, and instrumentation fittings that control the flow, we supply Stainless Hollow Bars (P10), offering a near-net-shape solution that reduces machining time and material waste.    
Mapped Products:    
* [P30] Process Piping: ASME B31.3 compliant piping systems.   

P30 Process Piping

ASME B31.3 compliant piping systems.

* [P12] Hot Rolled Coil: Feedstock for tank fabrication and large-diameter welded pipes.    
* [P10] Stainless Hollow Bar: Machining stock for valves, fittings, and nozzles. 

P10 Stainless Hollow Bar

Machining stock for valves, fittings, and nozzles.

 

Tsisco Industrial Ltd.

Tsisco Industrial Ltd.
Business License

Privacy Policy

Sitemap

ISO Certification

We Use Cookies

We use cookies and other tracking technologies to enhance your browsing experience, provide personalized content and targeted advertisements, analyze website traffic, and understand visitor behavior.
These include both first-party and third-party cookies. Some data collected through cookies may be stored on our servers to help us improve our website and services. Other cookies are managed by trusted third-party providers (such as Google Analytics), and the information they collect is stored on their platforms in accordance with their own privacy policies.

We Use Cookies

We use cookies and other tracking technologies to enhance your browsing experience, provide personalized content and targeted advertisements, analyze website traffic, and understand visitor behavior.
These include both first-party and third-party cookies. Some data collected through cookies may be stored on our servers to help us improve our website and services. Other cookies are managed by trusted third-party providers (such as Google Analytics), and the information they collect is stored on their platforms in accordance with their own privacy policies.

Essential cookies are required for core website functions, such as security, authentication, and payment. These cookies are always active and do not collect personally identifiable information.

These cookies help us understand how visitors interact with our website—for example, by tracking page visits and traffic sources—so we can improve site performance and user experience. Disabling them may limit our ability to analyze and enhance the services we provide.

These cookies enable enhanced features and personalization on our website, such as remembering your preferences or enabling third-party tools. They may be set by us or by trusted partners. If you choose to disable them, some features may not work as intended.

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.