内容标题21

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                厚壁无二長老臉色一變缝管

                作者:山东景亿金属制品有既然如此限公司   时间:2016-10-17 11:50:47

                序号
                名  称
                量的符号
                单位符号
                含 义
                强度
                强度指金属在外力作用下,抵抗塑性变形和断裂的能力
                1
                抗拉强度
                σb
                MPa
                金属←试样拉伸时,在拉╲断前所承受的最大负荷与试样原横截面面积之比称为抗〒拉强度
                Pb
                σb=——
                Fo
                式中 Pb——试样拉断前的最卐大负荷(N)
                Fo——试样原※横截面积(mm )
                abc厚轟壁无缝管理论重量


                单位:Kg/m
                壁 厚






                外 径
                6.5
                7
                8
                8.5
                9
                10
                12
                32
                4.088






                38
                5.049






                42
                5.691






                45
                6.172






                50
                6.973
                7.423
                8.286
                8.699



                54
                7.614
                8.114
                9.075
                9.538



                57
                8.095
                8.632
                9.667
                10.167



                60
                8.576
                9.149
                10.259
                10.796



                63.5
                9.137
                9.754
                10.950
                11.529



                68
                9.858
                10.530
                11.838
                12.473



                70
                10.179
                10.876
                12.232
                12.892
                13.539
                14.797
                17.164
                73
                10.660
                11.394
                12.824
                13.521
                14.205
                15.537
                18.052
                76
                11.141
                11.912
                13.416
                14.150
                14.871
                16.277
                18.940
                89
                13.225
                14.156
                15.981
                16.875
                17.756
                19.483
                22.787
                108
                16.270
                17.436
                19.729
                20.858
                21.973
                24.168
                28.410
                133
                20.278
                21.751
                24.662
                26.098
                27.522
                30.334
                35.809
                159
                24.446
                26.240
                29.791
                31.548
                33.293
                36.746
                43.503
                219
                34.064
                36.598
                41.629
                44.126
                46.610
                51.543
                61.259
                273
                42.720
                45.920
                52.283
                55.445
                58.596
                64.860
                77.240
                325
                51.056
                54.897
                62.542
                66.346
                70.137
                77.684
                92.629
                355
                55.865
                60.076
                68.460
                72.634
                76.796
                85.082
                101.507
                377
                59.391
                63.873
                72.801
                77.246
                81.679
                90.508
                108.018
                426
                67.246
                72.332
                82.468
                87.518
                92.555
                102.592
                122.519
                450
                71.093
                76.475
                87.203
                92.549
                97.882
                108.511
                129.621
                480
                75.902
                81.654
                93.122
                98.837
                104.540
                115.909
                138.499
                530
                83.917
                90.286
                102.987
                109.319
                115.638
                128.240
                153.296
                630
                99.947
                107.549
                122.716
                130.281
                137.833
                152.902
                182.890