Specifications of Chinese Steel Pipes/ steel tubes for Structural Use

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Seamless steel tubes for structural purposes

Related Standards: Seamless steel tubes for structural purposes

Hot-rolled seamless steel pipe specification table

Outer diameter
(mm)
Thickness (mm)
2.5 3.0 3.5 4 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0
Theoretical weight(Kg/m)
32 1.82 2.15 2.46 2.76 3.05 3.33 3.59 3.85 4.09 4.32 4.53 4.74
38 2.19 2.59 2.98 3.35 3.72 4.07 4.41 4.74 5.05 5.35 5.64 5.92
42 2.44 2.89 3.35 3.75 4.16 4.56 4.95 5.33 5.69 6.04 6.38 6.71
45 2.62 3.11 3.58 4.04 4.49 4.93 5.36 5.77 6.17 6.56 6.94 7.30
50 2.93 3.48 4.01 4.54 5.50 5.55 6.04 6.51 6.97 7.42 7.86 8.29
54   3.77 4.36 4.93 5.49 6.04 6.58 7.10 7.61 8.11 8.60 9.08
57   4 4.62 5.23 5.83 6.41 6.99 7.55 8.1 8.63 9.16 9.67
60   4.22 4.88 5.52 6.16 6.78 7.39 7.99 8.58 9.15 9.71 10.26
63.5   4.48 5.18 5.87 6.55 7.21 7.87 8.51 9.14 9.75 10.36 10.95
68   4.81 5.57 6.31 7.05 7.77 8.48 9.17 9.86 10.53 11.19 11.84
70   4.96 5.74 6.51 7.27 8.01 8.75 9.47 10.18 10.88 11.56 12.23
73   5.18 6.00  6.81 7.60 8.38 9.16 9.91 10.66 11.39 12.11 12.82
76   5.4 6.26 7.10 7.93 8.75 9.56 10.36 11.14 11.91 12.67 13.42
83     6.86 7.79 8.71 9.62 10.51 11.39 12.26 13.12 13.96 14.80
89     7.38 8.38 9.38 10.36 11.33 12.28 13.22 14.16 15.07 15.98
95     7.90 8.98 10.04 11.10 12.14 13.17 14.19 15.19 16.18 17.16
102     8.50 9.67 10.82 11.96 13.09 14.21 15.31 16.4 17.48 18.55
108       10.26 11.49 12.7 13.9 15.09 16.27 17.44 18.59 19.73
114       10.85 12.15 13.44 14.72 15.98 17.23 18.47 19.70 20.91
121       11.54 12.93 14.30 15.67 17.02 18.35 19.68 20.99 22.29
127       12.13 13.59 15.04 16.48 17.90 19.23 20.72 22.1 23.48
133       12.73 14.26 15.78 17.29 18.79 20.28 21.75 23.21 24.66
140         15.04 16.65 18.24 19.83 21.40 22.96 24.51 26.04
146         15.70 17.39 19.06 20.72 22.36 24.00 25.62 27.23
152         16.37 18.13 19.87 21.6 23.32 25.03 26.73 28.41

 

Spiral Steel Pipe (Spiral submerged arc - welded steel pipe piles)

Specifications of Chinese Steel Pipes/ steel tubes for Structural Use

Related Standards: SYT5040-2000 Spiral submerged arc – welded steel pipe piles

SYT5040-2000: Nominal outer diameter,thickness and quality of steel pipes (theoretical)
D(mm) T (mm)
7.0 8.0 9.0 10.0 11.0 12.0 14.0 16.0 18.0 20.0
  M kg/m
273.1 45.94 52.30                
323.9 54.71 62.32 69.89              
355.6 60.18 68.58 76.93              
406.4 68.95 78.60 88.20 97.76            
457 77.68 88.58 99.44 110.24 120.99 131.69        
508 86.49 98.65 110.75 122.81 134.82 146.79        
610 104.10 118.77 133.39 147.97 162.49 176.97        
711 121.53 138.70 155.81 172.88 189.89 206.86        
813   158.82 178.45 198.03 217.56 237.05 275.86      
914   178.75 200.87 222.94 244.96 266.94 310.73 354.34    
1016     223.51 248.09 272.63 297.12 345.95 394.58    
1219       298.16 327.70 357.20 416.04 474.68    
1422       348.22 382.77 417.27 486.13 554.79    
1626         438.11 477.64 556.56 635.28 713.80  
1829           537.72 626.65 715.38 803.92 892.25
2032             696.74 795.48 897.03 992.38

Common delivery length: 8.0-12.0m

Common Steel Grade: Q235, Q355

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