Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | Acid Resistant 904L Stainless Steel Tubing ，904L Stainless Steel Tubing High Molybdenum | ||
The Acid-Resistant Stainless Steel Tubing is specifically engineered to withstand highly aggressive acidic environments, including sulfuric, hydrochloric, nitric, phosphoric, and organic acids. Manufactured from high-performance austenitic and duplex stainless steel grades with elevated chromium, nickel, and molybdenum content, this tubing provides exceptional resistance to general corrosion, pitting, and intergranular attack. Its seamless construction ensures uniform wall thickness and eliminates weld-related vulnerabilities, making it the reliable choice for acid handling systems in chemical processing, mining, and industrial applications.
| Parameter | Details |
|---|---|
| Standards | ASTM A269, A213, A312; EN 10216-5; ASME SA213 |
| Available Grades | 316L, 317L, 904L, 254SMO, Alloy 20, Duplex 2205, Super Duplex 2507 |
| Outer Diameter | 3 mm – 219 mm |
| Wall Thickness | 0.5 mm – 12 mm |
| Length | Fixed lengths 3m / 6m, or custom lengths upon request |
| Manufacturing Process | Seamless – Cold drawn / Cold rolled |
| Surface Finish | Annealed, pickled, passivated, polished |
| End Finish | Plain ends, beveled ends, or threaded |
| Grade | Cr | Ni | Mo | Cu | N | PREN* |
|---|---|---|---|---|---|---|
| 316L | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | – | – | 24-26 |
| 317L | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 | – | – | 29-33 |
| 904L | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | 1.0-2.0 | – | 34-38 |
| 254SMO | 19.5-20.5 | 17.5-18.5 | 6.0-6.5 | 0.5-1.0 | 0.18-0.22 | 42-45 |
| Alloy 20 | 19.0-21.0 | 32.0-38.0 | 2.0-3.0 | 3.0-4.0 | – | 28-32 |
| Duplex 2205 | 22.0-23.0 | 4.5-6.5 | 3.0-3.5 | – | 0.14-0.20 | 35-38 |
PREN = Pitting Resistance Equivalent Number (Cr% + 3.3×Mo% + 16×N%). Higher PREN indicates better acid corrosion resistance.
| Grade | Condition | Tensile Strength (MPa) min | Yield Strength (MPa) min | Elongation (%) min | Hardness (HB) max |
|---|---|---|---|---|---|
| 316L | Annealed | 485 | 170 | 40 | 217 |
| 317L | Annealed | 515 | 205 | 40 | 217 |
| 904L | Annealed | 490 | 215 | 35 | 220 |
| 254SMO | Annealed | 650 | 300 | 35 | 250 |
| Alloy 20 | Annealed | 550 | 240 | 35 | 220 |
| Duplex 2205 | Annealed | 620 | 450 | 25 | 290 |
Tested in accordance with ASTM E8 / E8M.
| Grade | Sulfuric Acid (H₂SO₄) | Hydrochloric Acid (HCl) | Nitric Acid (HNO₃) | Phosphoric Acid (H₃PO₄) | Acetic Acid |
|---|---|---|---|---|---|
| 316L | Good (dilute) | Limited | Excellent | Good | Excellent |
| 317L | Very Good | Fair | Excellent | Very Good | Excellent |
| 904L | Excellent (up to 50%) | Good (dilute) | Excellent | Excellent | Excellent |
| 254SMO | Excellent | Good | Excellent | Excellent | Excellent |
| Alloy 20 | Excellent (all conc.) | Good to Very Good | Excellent | Excellent | Excellent |
| Duplex 2205 | Very Good | Fair | Excellent | Very Good | Excellent |
Always verify compatibility based on specific temperature and concentration.
Superior Acid Corrosion Resistance – Formulated to withstand aggressive acidic media
High Molybdenum Content – Critical for reducing acid attack in reducing environments
Copper Addition (904L / Alloy 20) – Enhances resistance to sulfuric acid
High Nickel Content – Provides excellent resistance to chloride-induced stress corrosion cracking
Passivated Surface – Optimized oxide layer for maximum acid protection
Seamless Construction – No weld seams to initiate corrosion
Wide Temperature Range – Maintains integrity from cryogenic to elevated temperatures
Sulfuric Acid Plants – Acid transfer lines, heat exchangers, storage tank piping
Phosphoric Acid Production – Reactor feed lines, evaporator tubes
Nitric Acid Service – Concentrator columns, absorption tower piping
Hydrochloric Acid Handling – Dilute acid transfer and storage (Alloy 20 / 904L)
Pickling Lines – Steel mill acid recovery systems
Chemical Tankers – Cargo piping for bulk liquid acids
Mining & Metallurgy – Leaching circuits, acid drainage systems
Pharmaceutical Synthesis – Organic acid process lines
Food Processing – Citric and lactic acid handling
For inquiries, technical datasheets, or custom sizes, please contact our sales team.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Zhongcheng Metal: A professional supplier of stainless steel tubes and plates. We export to 11 countries, including Germany, the United States, the United Kingdom, and Japan. By adopting advanced manufacturing processes and implementing comprehensive 5S management across our operations, we provide... Zhongcheng Metal: A professional supplier of stainless steel tubes and plates. We export to 11 countries, including Germany, the United States, the United Kingdom, and Japan. By adopting advanced manufacturing processes and implementing comprehensive 5S management across our operations, we provide...
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