| 牌號(hào) | X2CrNiN18-7 |
| 1.4318 | |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | NF EN 10296-2-2005
機(jī)械和一般工程用焊接圓鋼管-交貨技術(shù)條件-第2部分:不銹鋼管 Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2 : stainless steel tubes |
| 歸類 | 奧氏體不銹鋼 |
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熱處理指南
Steel grade Heat treatment during fabrication and
further processingHot working during further
processing e.g. hot bendingName Number Solution anneailing
Temperature
℃ ①Type of
cooling ②Temperature
℃Type of
coolingX2CrNiN18-7 1.4318 1020 to 1100 w or a or g 1150 to 850 a or g ◎ a=air; w=water; g=gas.
① When heat treatment forms part of further processing of the product. an attempt should be made to achieve the lower values of the range for solution annealing. lf hot working has been carried out at a temperature of at least 850 °C or if the product has been cold worked, the temperature used for subsequent solution annealing may be 20 °C less than the lower limit stipulated for solution annealing.
② Cooling should be sufficiently rapid.
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