904L Grade Stainless Steel Welded Pipe & Tube
904L Grade Stainless Steel Welded Pipe & Tube
With its highly alloyed chemistry — 25% nickel and 4.5% molybdenum, 904L provides good chloride stress corrosion cracking resistance, pitting and general corrosion resistance superior to 316L and 317L molybdenum enhanced stainless steels.
Quick Detail
| 1.Finish :Black, peeled, Polished, bright, hair line, brush, sand blast, etc |
| 2.Outside Diameter:From 1mm to 400mm |
| 3.Main Material:Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316, 316L, 317, 317L, 321, 347, 347H,409, 410, 410S, 420, 430 |
| 4.Main Standards:ASTMA276, ASTMA312, ASTMA213, GB/T14975-2002, GB/T14976- 2002, GB/T13296-91 |
| 5.Processing methods:Cold Drawn & Hot Rolled & Forged |
| 6.Packing:Standard export package,suit for all kinds of transport, or as required |
| 7.Payment:FOB,CFR,CIF,FCA,DDP,DDU,etc. |
| 8.Shipment:5-15 days after receipt of the down payment or Irrevocable L/C sight. |
| 9.Mill Test Certificate is supplied with shipment,Third Part Inspection is acceptable. |
| 10.Minimum order quantity: 1 Ton |
| 11.Certificate: ISO,SGS,TUV and Third part inspection. |
| 12.Capacity:2000 ton per month |
Application
Chemical plant, oil refinery, petrochemical plants, bleaching tanks for the paper industry, combustion gas desulfurisation plants, application in sea water, sulphuric and phosphoric acid. Due to the low C-content, the resistance to intergranular corrosion is also guaranteed in the welded condition.
| Element | % Present (in product form) |
|---|---|
| Carbon (C) | 0.02 |
| Silicon (Si) | 0.70 |
| Manganese (Mn) | 2.00 |
| Phosphorous (P) | 0.03 |
| Sulfur (S) | 0.01 |
| Chromium (Cr) | 19.00 - 21.00 |
| Nickel (Ni) | 24.00 - 26.00 |
| Nitrogen (N) | 0.15 |
| Molybdenum (Mo) | 4.00 - 5.00 |
| Copper (Cu) | 1.20 - 2.00 |
| Iron (Fe) | Balance |
Mechanical properties
| Product Form | |||||||
|---|---|---|---|---|---|---|---|
| C | H | P | L | L | TW/TS | ||
| Thickness (mm) Max. | 8.0 | 13.5 | 75 | 160 | 2502) | 60 | |
| Yield Strength | Rp0.2 N/mm2 | 2403) | 2203) | 2203) | 2304) | 2305) | 2306) |
| Rp1.0 N/mm2 | 2703) | 2603) | 2603) | 2603) | 2603) | 2503) | |
| Tensile Strength | Rm N/mm2 | 530 - 7303) | 530 - 7303) | 520 - 7203) | 530 - 7304) | 530 - 7305) | 520 - 7206) |
| Elongation min. in % | Jmin (Longitudinal) | - | 100 | 100 | 100 | - | 120 |
| Jmin (Transverse) | - | 60 | 60 | - | 60 | 90 | |
Reference data on some physical properties
| Density at 20°C kg/m3 | 8.0 | |
|---|---|---|
| Thermal Conductivity W/m K at | 20°C | 12 |
| Modulus of Elasticity kN/mm2 at | 20°C | 195 |
| 200°C | 182 | |
| 400°C | 166 | |
| 500°C | 158 | |
| Specific Thermal Capacity at 20°C J/kg K | 450 | |
| Electrical Resistivity at 20°C Ω mm2/m | 1.0 | |
Reference data on some physical properties
| Density at 20°C kg/m3 | 8.0 | |
|---|---|---|
| Thermal Conductivity W/m K at | 20°C | 12 |
| Modulus of Elasticity kN/mm2 at | 20°C | 195 |
| 200°C | 182 | |
| 400°C | 166 | |
| 500°C | 158 | |
| Specific Thermal Capacity at 20°C J/kg K | 450 | |
| Electrical Resistivity at 20°C Ω mm2/m | 1.0 | |
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