| 牌號 | 304S51 |
| 其他名稱 | |
| 對應(yīng)標(biāo)準(zhǔn) | BS 1501-3-1990
承壓用鋼板-第3部分:耐蝕耐熱鋼 厚板糊探，薄板及帶材 Steels for pressure purposes — Part 3: Specification for corrosion-and heat-resisting steels: plates, sheet and strip |
| 歸類 | 奧氏體不銹鋼 |
| 說明 | ? 非連續(xù)熱軋板材的公差按BS EN 10029。厚度公差按B級杰泡，除非詢價和訂貨時另有協(xié)議堰聪。 ? 熱軋寬帶材（卷）禽岭、薄板公差按BS EN 10051惋探； ? 熱軋窄帶材公差按 BS EN 10048 ? 冷軋帶材（卷）（軋制寬度≥600mm）公差按BS EN 10259墨辛； ? 冷軋窄帶材（軋制寬度＜600mm）公差按BS EN 10258 |
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高溫Rp0.2拳镊，Rp1.0
鋼號 Rp0.2min.
MPa
Rp0.2 min.
MPa ?
20°C 100°C 150°C 200°C 250°C 300°C 350°C 400°C 450°C 500°C 550°C 600°C 650°C 700°C 304S51 195 132 120 109 100 93 87 84 81 79 78 76 - - Rp1.0 min. Rp1.0 min. 230 178 160 147 139 132 125 120 117 115 112 109 104 99 ? For the steel types for which sufficient data were available, the proof stress values given were derived from data collected and assessed in accordance with BS 3920, using the smoothed lower 95 % confidence lines. For certain other steel types insufficient data were available and other bases were adopted.
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斷裂應(yīng)力
鋼號 斷裂
時間
h
平均斷裂應(yīng)力MPa 540°C 550°C 560°C 570°C 580°C 590°C 600°C 610°C 620°C 630°C 640°C 650°C 660°C 670°C 680°C 690°C 700°C 710°C 720°C 730°C 740°C 750°C 760°C 770°C 304S51 10000 - 186 174 163 153 144 134 126 117 109 102 94 87 81 74 68 63 56 53 49 45 42 39 37 30000 - 165 154 144 135 126 117 109 101 94 87 80 73 67 62 56 52 48 44 41 39 37 - - 50000 - 155 145 136 126 118 110 102 94 87 80 73 67 62 56 52 48 44 41 39 36 - - - 100000 - 143 133 124 116 107 99 92 85 78 71 65 59 54 50* 46* 43* 40* 37* - - - - - 150000 - 136* 127* 118* 109 101 94 86 79 72* 66* 60* 55* 51* 47* 43* 40* 38* - - - - - - 200000 - 131* 122* 113* 105* 97* 90* 82* 75* 69* 63* 57* 52* 48* 44* 41* 39* 36* - - - - - - 250000 - 127* 118* 110* 102* 94* 86* 79* 72* 66* 60* 55* 50* 46* 43* 40* 38* - - - - - - - 注：Asterisks indicate where values have been obtained by “extended time” extrapolation and parentheses indicate where values have been obtained by “extended stress” extrapolation. Such values should be used with caution.
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