公称外径 nominal O.D宁波直缝焊管
mm
 公称壁厚　Nominal Wall Thickness mm
5.0 5.5 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 18.0 20.0 22.0
219 26.39 28.96 31.51 36.60 41.63           
273 33.04 36.28 39.51 45.92            
325       54.90 62.54 70.13          
377         72.80 81.67          
426         82.46 92.55 102.59         
457         88.58 99.43 110.23 120.98 131.60 142.34      
508       98.64 110.75 122.81 134.82 146.78 158.69      
529       102.78 115.41 127.99 140.51 152.99 165.42      
559       108.70 122.07 135.38 148.65 161.87 175.04      
610       118.76 133.39 147.96 162.48 176.96 191.39      
630       122.71 137.82 152.89 167.91 182.88 197.80      
660       128.63 144.48 160.29 176.05 191.76 207.42      
720       140.46 157.80 175.09 192.32 209.51 226.65      
820      160.19 179.99 199.75 219.45 239.10 258.71 276.26 297.77 317.23 256.01 394.58 432.96
914     178.74 200.06 222.93 244.95 266.92 288.84 310.72 332.54 354.31 397.74 440.95 483.96
920     179.92 202.19 224.41 246.58 268.70 290.77 312.79 334.76 356.68 400.40 443.91 486.13
1016     198.86 223.49 248.08 272.62 297.10 321.54 345.93 370.27 394.56 443.02 491.26 539.30
1020     199.65 224.38 249.07 273.70 298.39 322.82 347.31 371.75 396.14 44.79 493.23 541.47
1220       296.39 327.95 357.47 386.94 416.36 445.73 475.58 533.58 591.88 649.98
1420       347.71 362.21 416.66 451.06 485.41 519.71 553.96 622.36 690.52 758.49
1620       397.03 436.46 475.84 515.17 554.46 593.60 632.87 711.14 789.17 867.00
1820       446.35 490.71 535.02 579.29 623.50 667.67 711.79 799.92 887.81 975.51
2020        495.67 544.96 594.21 643.40 692.55 741.65 796.70 888.70 986.46 1084.21
2220       544.99 599.21 653.39 707.52 761.60 815.63 869.61 977.48 1085.11 1192.53

产品品名 材质
 执行标准
 用途
 使用范围 宁波直缝钢管、有缝钢管
 Q235B Q345B L245
 SY/T5037-2000   GB/T9711.1-1997