Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 2000Tons/Month |
| Delivery Time | 30days |
| Packaging Details | plastic packing, end caps, wooden box packing |
| Standard | ASTM A959-2004 |
| Material | 904L/N08904 |
| Application | Heat exchanger tube/condense pipe |
| Technique | Cold Drawn |
| Outer diameter | 6-760mm |
| Thickness | 0.1mm-100mm |
| Length | as customer's request |
| Surface | Annealing,polished,Pickled |
| Brand Name | Joyruns |
| Model Number | 6mm to 760mm |
| Certification | ISO9001 |
| Place of Origin | Changzhou |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 2000Tons/Month |
| Delivery Time | 30days | Packaging Details | plastic packing, end caps, wooden box packing |
| Standard | ASTM A959-2004 | Material | 904L/N08904 |
| Application | Heat exchanger tube/condense pipe | Technique | Cold Drawn |
| Outer diameter | 6-760mm | Thickness | 0.1mm-100mm |
| Length | as customer's request | Surface | Annealing,polished,Pickled |
| Brand Name | Joyruns | Model Number | 6mm to 760mm |
| Certification | ISO9001 | Place of Origin | Changzhou |
| High Light | Austenitic Stainless Steel Condenser Tube ，19.05*1.65mm Stainless Steel Condenser Tube ，ASTM A959 Austenitic Stainless Steel Pipe | ||
ASTM A269 904L Seamless austenitic stainless steel tube
904L (N08904,14539) super austenitic stainless steel contains 14.0-18.0% chromium, 24.0-26.0% nickel
and 4.5% molybdenum.904L super austenitic stainless steel is a kind of low carbon, high nickel and
molybdenum austenitic stainless steel. It has good activation and passivation conversion ability, excellent
corrosion resistance, good corrosion resistance in non-oxidizing acids such as sulfuric acid, acetic acid,
formic acid, phosphoric acid, good pitting corrosion resistance in neutral chloride ion medium, and good
resistance to crack corrosion and stress corrosion. Used in various concentration of sulfuric acid under
70 ℃, under ordinary conditions of any acetic acid concentration, any temperature, resistance and
formic acid and acetic acid in mixed acid corrosion resistance is also very good.
1. 904L Stainless Steel Tubing Chemical composition
| Element | Cr | Ni | Mo | Cu | Fe | C | Mn | Si | P | S | |
| Content (%) | min | 19 | 23 | 4 | 1 | bal. | |||||
| max | 23 | 28 | 5 | 2 | 0.02 | 2 | 1 | 0.045 | 0.035 | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 904L | 490 | 220 | 35 | 70-90 typical | – |
2. SS 904L Tube Equivalent
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 904L | N08904 | 904S13 | X1NiCrMoCu25-20-5 | 1.4539 | – | – | SUS 890L |
3. Physical Properties of 904L SS Tube
| 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 |
Hydraulic Testing & ECT Testing
Packing
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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