ASTM A959 N08904 904L Austenitic Stainless Steel Condenser Tube 19.05×1.65mm with 490MPa Tensile Strength
Price:
Negotiable
MOQ:
2Tons
Delivery Time:
30days
Brand:
Joyruns
Product Description
ASTM A959 N08904/904L Austenitic Stainless Steel Condenser Tube
Product Overview
ASTM A269 904L seamless austenitic stainless steel tube measuring 19.05×1.65mm. This super austenitic stainless steel contains 14.0-18.0% chromium, 24.0-26.0% nickel, and 4.5% molybdenum, offering exceptional corrosion resistance in demanding industrial applications.
Key Features
- Excellent corrosion resistance in sulfuric acid, acetic acid, formic acid, and phosphoric acid
- Superior pitting corrosion resistance in neutral chloride ion environments
- Excellent resistance to stress corrosion cracking and crevice corrosion
- Low carbon content with high nickel and molybdenum composition
- Good activation and passivation conversion capabilities
Chemical Composition
| Element | Cr | Ni | Mo | Cu | Fe | C | Mn | Si | P | S |
|---|---|---|---|---|---|---|---|---|---|---|
| Content (%) min | 19 | 23 | 4 | 1 | bal. | |||||
| Content (%) max | 23 | 28 | 5 | 2 | 0.02 | 2 | 1 | 0.045 | 0.035 |
Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HR B) max | Brinell (HB) max |
|---|---|---|---|---|---|
| 904L | 490 | 220 | 35 | 70-90 typical | - |
Material Equivalents
| Grade | UNS No | Old British BS | Euronorm No | Swedish SS | Japanese JIS |
|---|---|---|---|---|---|
| 904L | N08904 | 904S13 | 1.4539 | - | SUS 890L |
Physical Properties
| Property | Value | Unit |
|---|---|---|
| Specific Heat (0-100°C) | 450 | J.kg⁻¹.°K⁻¹ |
| Thermal Conductivity | 11.5 | W.m⁻¹.°K⁻¹ |
| Thermal Expansion | 15.8 | μm/μm/°C |
| Modulus Elasticity | 190 | GPa |
| Electrical Resistivity | 9.52 | μohm/cm |
| Density | 7.95 | g/cm³ |
Quality Testing
All tubes undergo rigorous quality control including hydraulic testing and eddy current testing (ECT) to ensure structural integrity and performance reliability.
Packaging & Protection
Professional packaging ensures safe transportation and storage, protecting the tubes from damage and contamination.
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Get in Touch
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee