国外阀门材料常用技术标准 不锈钢锻件、热处理要求
牌号A | UNS编号 |
热处理温度B °F(℃) |
淬火介质 |
硬度HRC ≥ |
403 | S40300 | 1750[955] | 空气 | 35 |
410 | S41000 | 1750[955] | 空气 | 35 |
410S | S41008 | 1750[955] | 油 | ≤25 |
414 | S41400 | 1750[955] | 油 | 42 |
416 | S41600 | 1750[955] | 空气 | 35 |
416Se | S41623 | 1750[955] | 空气 | 35 |
420 | S42000 | 1825[995] | 空气 | 50 |
431 | S43100 | 1875[1020] | 油 | 40 |
440A | S44002 | 1875[1020] | 空气 | 55 |
440B | S44003 | 1875[1020] | 油 | 56 |
440C | S44004 | 1875[1020] | 空气 | 58 |
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