Welded Thin Wall Stainless Steel Seamless Pipe Inox SS Tube 304 904L
Brand Name:MITTEL TISCO BAO STEEL
Certification:SGS ISO MTC
Model Number:904L
Minimum Order Quantity:300KGS
Delivery Time:7 Days
Payment Terms:L/C, T/T
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Wuxi Jiangsu China
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NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
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Seamless Welded Thin Wall Inox SS Tube 304 904L Stainless Steel Pipe
904L Stainless Steel
904L has high nickel composition with low carbon content, copper alloy adding improve its resistance to corrosion, the “L” in 904L stands for low carbon, it is typical Super Austenitic stainless steel, equivalent grades are DIN 1.4539 and UNS N08904, 904L has better properties than other austenitic stainless steels.
904L Stainless Steel Chemical Composition (Max %):
| Grade | Ni | Cr | Mo | Cu | C | Mn | Si | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 904L | 23 – 28 | 19 – 23 | 4 -5 | 1 – 2 | 0.02 | 2 | 1 | 0.045 | 0.035 | Balance |
904L Stainless Steel Mechanical Properties
| Grade | Tensile Strength, Min | Yeild Strength, Min | Elognation | Hardness |
|---|---|---|---|---|
| 904L | 490 Mpa | 215 Mpa | 35% | 90 HRB Max |
904L Stainless Steel Physical Properties
| Grade | Density (Kg/M3) | Elastic Modulus (GPa) | Mean Co-Eff Of Thermal Expansion (Μm/M/°C) | Thermal Conductivity (W/M.K) | Specific Heat 0-100°C (J/Kg.K) | Elec Resistivity (NΩ.M) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | At 20°C | At 500°C | |||||
| 904L | 7900 | 190 | 15 | – | – | 11.5 | – | 500 | 952 |
904L Stainless Steel Properties
- Excellent resistance to stress corrosion cracking due to the presence of high amounts of nickel content.
- Pitting and crevice corrosion, intergranular corrosion resistance.
- Grade 904L is less resistant to nitric acid.
- Excellent formability, toughness and weldability, due to low carbon composition, it can be welded using any standard method, 904L cannot be hardened by heat treatment.
- Non-magnetic, 904L is an Austenitic stainless steel, therefor 904L possesses Austenitic structure properties.
- Heat Resistance, Grade 904L stainless steels offer good oxidation resistance. However, the structural stability of this grade collapses at high temperatures, particularly above 400°C.
- Heat Treatment, Grade 904L stainless steels can be solution heat-treated at 1090 to 1175°C, following by rapid cooling. Thermal treatment is suitable for hardening these grades.
904L Stainless Steel Equivalents
- WERKSTOFF NR 1.4539
- UNS N08904
- BS 904S13
SMLS Pipe 904L A312 45 mm x 5 mm UNS N08904 Stainless Steel Seamless Tube
Welded Thin Wall Stainless Steel Seamless Pipe Inox SS Tube 304 904L
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