| 製品説明 | ||||
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ATI 904L™ alloy (UNS N08904) is an austenitic stainless steel designed for a middle to high level of corrosion resistance. The alloy contains high levels of chromium and nickel with additions of molybdenum and copper to provide added corrosion resistance in certain media. The alloy is produced to low carbon levels for use in the welded condition as in welded vessels and other large and complex fabrications.
The high nickel (25%) and molybdenum (4.5%) contents of the ATI 904L™ alloy provide good resistance to chloride stress corrosion cracking, although not total resistance as judged by the extremely severe laboratory test, boiling magnesium chloride. The Chromium, molybdenum and nickel levels provide general and chloride pitting corrosion resistance above the level of Types 316 and 317 in many media. The copper addition provides added resistance to reducing media such as hot phosphoric acid and dilute sulfuric acid. The N08904 alloy has been incorporated in ASTM and ASME specifications, and is widely and readily available in a variety of product forms, welding electrodes, and fittings. The ATI 904L™ alloy has performed well in a variety of service environments such as utility scrubbers, acid and fertilizer production. Representative corrosion data follow. |
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| 一般 | ||||
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供給体制
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供給可能地域
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| Available Documents | |||
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Technical Datasheet (English)
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| Metals General |
公称値
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単位
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Applicable Specifications
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Forms Available
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Metal Type (Super Austenitic)
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Alloy Identification
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| Metals Type Analysis |
公称値
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単位
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Type Analysis
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Carbon
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%
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Chromium
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%
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Copper
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%
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Iron
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%
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Manganese
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%
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Molybdenum
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%
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Nickel
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%
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Phosphorus
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%
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Silicon
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%
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Sulfur
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%
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| Metals Physical |
公称値
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単位
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密度
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lb/in³
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| Metals Mechanical |
公称値
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単位
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Tensile Strength (Ultimate)
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ksi
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Tensile Strength (Yield), 0.2%
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ksi
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Tensile Elongation (Break)
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%
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Reduction of Area
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%
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硬度
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HB-Scale
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HRB-Scale
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引張係数
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ksi
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| Metals Thermal |
公称値
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単位
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Mean Specific Heat (68°F)
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Btu/lb/°F
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Mean CTE
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68 から 212°F
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in/in/°F
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68 から 752°F
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in/in/°F
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68 から 1472°F
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in/in/°F
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熱伝導性
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68°F
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Btu·in/hr/ft²/°F
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212°F
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Btu·in/hr/ft²/°F
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392°F
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Btu·in/hr/ft²/°F
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| Metals Electrical |
公称値
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単位
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Electrical Resistivity
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68°F
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ohms·cir·mil/ft
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200°F
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ohms·cir·mil/ft
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| ノート |
| 1一般的なプロパティ:これらは仕様として解釈されるものではありません。 |
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