牌号 | 321S51 |
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其他名称 | |
对应标准 | BS 1501-3-1990
承压用钢板-第3部分:耐蚀耐热钢 厚板,薄板及带材 Steels for pressure purposes — Part 3: Specification for corrosion-and heat-resisting steels: plates, sheet and strip |
归类 | 奥氏体不锈钢 |
说明 | • 非连续热轧板材的公差按BS EN 10029。厚度公差按B级,除非询价和订货时另有协议。 • 热轧宽带材(卷)、薄板公差按BS EN 10051; • 热轧窄带材公差按 BS EN 10048 • 冷轧带材(卷)(轧制宽度≥600mm)公差按BS EN 10259; • 冷轧窄带材(轧制宽度<600mm)公差按BS EN 10258 |
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高温Rp0.2,Rp1.0
钢号 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 321S51 175 128 123 117 114 110 105 100 95 93 90 88 86 84 Rp1.0 min. Rp1.0 min. 210 166 155 147 141 133 129 126 121 118 116 115 110 108 ⓐ 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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断裂应力
钢号 断裂
时间
h
平均断裂应力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 321S51 10000 222 206 192 178 165 152 140 129 118 108 98 88 79 71 63 56 49 43 38 - - - - - 30000 189 174 161 148 136 125 114 103 93 84 75 67 59 52 45 39 35 30 (27) - - - - - 50000 174* 160* 147* 135* 124 112 102 92 82 73 65 57 50 44 38* 34* 29* (26)* - - - - - - 100000 154* 142* 129* 118* 107* 96* 86* 77* 68* 60* 53* 46* 40* 35* 31* (27)* - - - - - - - - 150000 143* 131* 119* 108* 97* 87* 78* 69* 61* 53* 46* 40* 35* 31* (27)* - - - - - - - - - 200000 136* 123* 112* 101* 91* 81* 72* 63* 55* 48* 42* 36* 32* (28)* - - - - - - - - - - 250000 130* 118* 107* 96* 86* 76* 67* 59* 51* 45* 39* 34* 30* (26)* - - - - - - - - - - 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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