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| No.8521928
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Information Name: | Supply stainless steel 5Cr21Mn9Ni4Nb2WN round bar |
Published: | 2011-09-26 |
Validity: | 30 |
Specifications: | 10 to 280 |
Quantity: | 1.00 |
Price Description: | |
Detailed Product Description: | 5Cr21Mn9Ni4Nb2WN Is Introduction In 1980, imported from West Germany Deutz FL912 and FL413 air cooled diesel engine patent. Aircraft performance requirements of the highest exhaust gas temperature up to 800 ° C, so the use of carbon martensite 8Cr20Si2Ni intake valve material, 5Cr21MngNi4Nb2WN material for the exhaust valve. The patent, however, the introduction of the only the only valve processing size and performance acceptance data about the chemical composition range, the heat treatment process and performance analysis of patents and foreign materials were not seen. In order to achieve the introduction, digestion, and increase innovation. In recent years, niobium, nitrogen and heat treatment on the 21-4N + WNb steel processing and properties of the test. Through the development and 3000 hours durability bench test show that heat, cold and high temperature properties of the steel are superior to the current similar foreign steel level. |
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Copyright © GuangDong ICP No. 10089450, Shanghai Chen Yi Trading Co., Ltd. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
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You are the 9747 visitor
Copyright © GuangDong ICP No. 10089450, Shanghai Chen Yi Trading Co., Ltd. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility