Product Overview
Engineered for extreme corrosive environments, our 904L stainless steel coil delivers unmatched resistance to sulfuric acid, phosphoric acid, and chloride-induced stress corrosion. Certified for sour gas (H₂S) applications per NACE MR0175, this high-performance material is ideal for demanding chemical, oil & gas, and marine applications.
Material Specifications
| Parameter | Details |
| Material Standard | UNS N08904 / EN 1.4539 (904L) |
| Thickness Range | 0.5mm – 6.0mm (±0.05mm tolerance) |
| Available Width | 600mm – 2000mm (customizable) |
| Surface Finish | Annealed & Pickled (AP) / Electrolytically Polished (EP) |
Elemental Composition
- Cr: 19-23%
- Ni: 23-28%
- Mo: 4-5%
- Cu: 1-2%
- Mn: ≤2%
- C: ≤0.02%
- Fe: Balance
Mechanical Properties
- Tensile Strength: ≥490 MPa
- Yield Strength: ≥220 MPa
- Elongation: ≥35%
Certifications & Compliance
- NACE MR0175 (Sour Service)
- ASTM A240
- EN 10088-3
- PED 2014/68/EU
- TÜV SÜD Certified
Key Advantages
-
Superior Corrosion Resistance
- Outstanding performance in >95% sulfuric acid
- Excellent seawater resistance
- Chloride stress corrosion cracking resistance
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Industry-Specific Benefits
- 25% cost advantage vs. European suppliers
- Certified for H₂S environments (NACE MR0175)
- Maintains integrity from -50°C to 250°C
-
Quality Assurance
- 100% eddy current and ultrasonic testing
- ISO 14064-certified low-carbon production
- 70% recycled content
-
Customization & Service
- Precision slitting and edge conditioning
- Electrolytic polishing available
- Free corrosion resistance reports
- Welding procedure specifications (WPS)
Stock & Lead Times
- Ready stock for 1-4mm thicknesses
- 15-day lead time for custom orders
Typical Applications
- Sulfuric acid reactors
- Offshore oil rig pipelines
- Seawater desalination plants
- Chemical processing equipment
- Marine components
Technical Support
Our engineering team provides:
- Material selection guidance
- Corrosion resistance data
- Fabrication recommendations
- Welding procedure support
Frequently Asked Questions (FAQ)
Q1: What type of company are you?
A: We are a direct manufacturer with 12 years of production and sales experience.
Q2: Where is your production facility located?
A: Our manufacturing plant is situated in Wuxi City, Jiangsu Province, China - a major industrial hub for stainless steel production.
Q3: What are your payment and shipping terms?
Payment Methods:
✓ T/T (Telegraphic Transfer)
✓ L/C (Letter of Credit)
✓ Credit Card
✓ Western Union
✓ Cash
Accepted Currencies:
✓ USD
✓ RMB (CNY)
Delivery Terms:
✓ FOB
✓ CFR
✓ CIF
✓ EXW
✓ Express Shipping
Product Tags:
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NACE MR0175 Standards Steel Coil Manufacturers Sulfuric Acid Resistance Material UNS N08904 Images
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