牌号 | Carpenter No. 882 |
厂家 | Carpenter Technology Corporation |
分类 | Steel |
介绍 | Carpenter No. 882 is a 5% chromium hot work tool steel designed particularly for applications requiring extreme toughness combined with good red hardness. It provides an extra margin of safest in tools subject to heavy hammer blows, and those tools containing deep recesses or sharp corners. While No. 882 has been designed primarily as a hot work tool steel, it has been used in many cold work applications where extra toughness is required at the sacrifice of some wear resistance. This alloy has been used at very high strength levels in excess of 260,000 psi (1793 MPa). It also displays high creep and rupture strength at temperatures between 800 and 1200°F (427 and 649°C). Applications: No. 882 has been used primarily for tools requiring resistance to softening at elevated temperatures. Such tools include forging dies and punches, die-casting dies, aluminum extrusion dies, hot heading dies, piercing and forming punches, etc. This tool steel has also found applications in cold work tools where extreme toughness is required due to its high toughness and high compressive strength. Such tools include bulldozer dies, dies with deep recesses and sharp corners, and vanstoning dies, etc. In addition to a wide variety of hot and cold work applications, No. 882 has also been used as a structural material for critical components in aircraft and missiles. |
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