904L Stainless Steel Pipe ASTM A789 Small Diameter 6 - 30mm Custom in 6m Length UNS N08904
904L Stainless Steel Pipe ASTM A789 Small Diameter 6 - 30mm Custom in 6m Length UNS N08904
| Product Name | Stainless Steel Pipe |
| Standard | JIS, AISI, ASTM, GB, DIN |
| Outer Diameter | 6mm-530mm (1/8"-20") or as the customers' requirements |
| Length | 1000-6000mm or as the customers' requirements |
| Grade | TP201, TP304, TP304L, TP310S, TP316, TP316L, TP317L, TP321, TP309S, TP410, TP420, TP430, TP904L |
| Thickness | 1mm-60mm |
| Type | weld |
| Surface | Pickled , Bright |
| manufacture | Hot Rolled/Cold Rolled |
| Application | Construction field, ships building industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat ex-changer, machinery and hardware fields ,etc. |
| Packing | Weaving bag, non-woven fabric, seaworthy bundle,wooden case if required |
| Delivery time | Within 7 - 10 working days, according to customers' quantity |
| Payment | L/C or T/T |
| MOQ | 1 Ton |
| Quality | High Quality.SGS inspection is accepted if needed |
| Productivity | 1000 Tons/Month |
904L Chemical Composition %
| C | Cr | Cu | Mn | Mo | Ni | P | S | Si |
| Max | Max | Max | Max | Max | ||||
| 0.02 | 19.0-23.0 | 1.0-2.0 | 2.0 | 4.0-5.0 | 23.0-28.0 | 0.045 | 0.035 | 1.0 |
DESCRIPTION
904L is a high-alloy austenitic stainless steel with low carbon content. The grade is intended for use under severe corrosive conditions. It has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. It is standardized and approved for pressure vessel use in several countries. Structurally, 904L is fully austenitic and is less sensitive to precipitation ferrite and sigma phases than conventional austenitic grades with high molybdenum content. Characteristically, due to the combination of relatively high contents of chromium, nickel, molybdenum and copper 904L has good resistance to general corrosion, particularly in sulfuric and phosphoric conditions.
DESIGN FEATURES
- Good resistance to pitting and crevice corrosion.
- Very good resistance to stress corrosion cracking.
- Good resistance to intergranular corrosion.
- Good formability and weldability.
- Maximum service temperatures of
- 450 deg.C. (824 deg.F).
TYPICAL APPLICATIONS
- Production and transport of sulfuric acid
- Metal pickling in sulfuric acid
- Production and concentration of phosphoric acid
- Use in seawater, brackish water, condensers, heat exchangers and pipe work in general
- Paper and allied industries
- Gas washing
- Chemical and pharmaceutical industries
TENSILE REQUIREMENTS
- Tensile Strength (KSI) 70
- Yield Strength (KSI) 25
- KSI can be converted to MPA (Megapascals) by multiplying by 6.895.
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