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904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar

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904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar

904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar
904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar

Large Image :  904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar

Product Details:
Place of Origin: China
Brand Name: Zhonggong Special Metallurgy
Certification: ISO Certificate
Model Number: 904L stainless steel
Payment & Shipping Terms:
Minimum Order Quantity: 100KG
Price: Price is negotiated based on the required specifications and quantity
Packaging Details: Standard export packaging, or packaging as required
Delivery Time: 5-8 working days, depending on the parameters required for negotiation
Payment Terms: Payment Terms: Mainly T/T.. L/C,D/A,D/P,
Supply Ability: 5000 tons per month
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904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar

Description
Name: Austenitic Stainless Steel Density: 8.0g/cm³
Main Components: 20Cr-24Ni-4.3Mo-1.5Cu Different Grades: 904L（N08904，,14539）
Surface: Black Or Bright Form Of Supply: Bar, Plate, Pipe, Etc
Highlight:

904L stainless steel rod

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904L 1.4529 Stainless Steel Rod - Acid Alkali Resistant Round Bar
Product Attributes
Attribute Value
Name Austenitic Stainless Steel
Density 8.0g/cm³
Main components 20Cr-24Ni-4.3Mo-1.5Cu
Different grades 904L（N08904，1.4539）
Surface black or bright
Form Of Supply Bar, plate, pipe, etc
Product Description

904L (1.4529/UNS N08904) Stainless Steel Round Bar Acid/alkali-resistant • High-temperature performance

Core Composition (% weight)
Element Min Max Element Min Max
C - 0.02 Mo 4.00 5.00
Cr 19.00 23.00 Cu 1.00 2.00
Ni 23.00 28.00 Si - 1.00
Mn - 2.00 P - 0.045
S - 0.035 Fe Balance
Superior Corrosion Resistance
  • Non-oxidizing Acids:
    • ✓ Sulfuric acid (all conc. ≤70°C)
    • ✓ Acetic acid (any conc./temp. at atm. pressure)
    • ✓ Formic-phosphoric acids and mixed organic acids
  • Chloride Media:
    • ✓ Pitting/crevice corrosion resistance
    • ✓ Stress corrosion cracking (SCC) resistance
Critical Properties
  • Low carbon (≤0.02%) prevents carbide precipitation
  • High Ni/Mo/Cu content enables self-passivation
  • "Super austenitic" classification (EN 1.4529 / UNS N08904)
Metallurgical Structure

Fully austenitic microstructure with reduced ferrite/alpha-phase precipitation sensitivity vs. standard high-Mo austenitic steels.

Physical & Mechanical Properties
Property Value
Density 8.0 g/cm³
Tensile Strength ≥520 MPa
Elongation ≥35%
Corrosion Performance

Ultra-low carbon (≤0.020%): Eliminates carbide precipitation during HT/welding, preventing intergranular corrosion

High Cr-Ni-Mo-Cu content: Enables self-passivation in reducing environments (H₂SO₄, HCOOH)

Critical media performance:

  • Sulfuric acid: 0-98% up to 40°C
  • Phosphoric acid: 0-85% concentration
  • Hydrochloric acid: Limited to 1-2% (outperforms conventional SS)
  • Nitric acid: Lower resistance than Mo-free high-alloy steels
  • Chloride solutions: Superior pitting/crevice corrosion resistance

Stress corrosion cracking (SCC) resistance:

  • ✓ Chloride solutions (>60°C)
  • ✓ Concentrated hydroxides
  • ✓ H₂S environments
Industrial Applications
  1. Chemical Processing
    • Sulfuric acid storage/heat exchangers
    • Organic acid scrubbers & reactors
    • Dilute sulfuric acid systems (ideal material)
  2. Energy
    • FGD systems: absorbers, ducting & spray components
  3. Marine
    • Seawater treatment & heat exchangers
  4. Pharmaceutical
    • Reactors, centrifuges
  5. Food Production
    • Fermentation tanks (soy sauce, wine, brine)
  6. Industrial Equipment
    • Pressure vessels, papermaking machinery

Tag:

stainless steel round stock,

Stainless Steel Round Bar,

Stainless Steel Bar Stock

Contact Details
Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.

Contact Person: John zhou

Tel: +8613306184668

Fax: 86-510-88232386

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