| 牌号 | 304S61 |
|---|---|
| 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 304S61ⓑ 270 196 169 155 143 135 129 123 119 115 113 110 108 106 Rp1.0 min. Rp1.0 min. 305 230 201 182 172 163 156 149 144 140 136 131 128 124 ⓐ 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.
ⓑ Values based on 304 smoothed lower 95 % confidence lines.
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断裂应力
钢号 断裂
时间
h
平均断裂应力MPa 500°C 510°C 520°C 530°C 540°C 550°C 560°C 570°C 580°C 590°C 600°C 610°C 620°C 630°C 640°C 650°C 670°C 680°C 690°C 304S61 10000 308 288 270 254 239 225 212 199 188 177 167 157 147 138 129 120 - - - 30000 270* 252* 236* 221 207 195 182 171 160 150 140 130 120 110 (100) - - - - 50000 252* 236* 220* 206 193 180 169 158 147 137 127 117 106 (96) - - - - - 100000 230* 214* 199* 186 173 161 150 139 129 118 107 (96) - - - - - - - 150000 216* 201* 187* 174* 162* 150* 139* 128* 117* 106* (94)* - - - - - - - - 200000 207* 192* 179* 166* 154* 142* 131* 120* 108* - - - - - - - - - - 250000 200* 185* 172* 159* 147* 136* 124* 113* (101)* - - - - - - - - - - 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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