| Stainless steel for boiler and heat exchanger tubes

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Application : Boiler overheating engine / chemical industry / heat exchange engine for oil industry / condenser pipe / catalyst pipe, etc.
Specification : KS D 3577 / JIS G 3463 / ASTM A 249
Material : STS 304 / STS 316 and more.

[ Pipe Dimensions and Weight ]Unit : kg/m | → : Thickness(mm) / ↓ : O.D.(mm)
 1.21.62.02.32.62.93.23.54.04.55.05.56.0
15.90.4390.5700.6920.7790.8610.939       
19.00.5320.6930.8470.9571.061.16       
21.70.6130.8010.9811.111.241.361.47      
25.40.7230.9491.171.321.481.631.771.91     
27.20.7771.021.261.431.591.761.912.072.31    
31.80.9151.201.481.691.892.092.282.472.773.06   
34.0 1.291.591.822.032.252.462.662.993.313.61  
38.1 1.451.802.052.302.542.783.023.403.774.124.47 
42.7  2.032.312.602.883.153.423.864.284.705.105.49
45.0  2.142.452.753.043.333.624.094.544.985.415.83
48.6  2.322.652.983.303.623.934.444.945.435.906.37
50.8  2.432.783.123.463.794.124.665.195.706.216.70
54.0  2.592.963.333.694.054.404.985.556.106.647.17
57.1  2.753.143.533.924.304.675.295.906.497.077.64
60.3  2.903.323.744.154.554.955.616.256.897.518.12
63.5   3.513.944.384.815.235.936.617.297.958.59
65.0   3.594.044.494.935.366.086.787.478.158.82
70.0   3.884.374.855.325.806.587.348.108.849.57
76.2   4.234.775.305.826.347.198.048.879.6910.5
82.6      6.336.907.838.759.6710.611.4
88.9      6.837.458.469.4610.411.412.4
101.6       8.559.7210.912.013.214.3
114.3        11.012.313.614.916.2
127.0        12.313.715.216.618.1
139.8           18.420.0

 

[ Permissible tolerance ] 
 KS D 3577 (JIS G 3463)ASTM A 249
Permissible toleranceO.D.D < 60± 0.25D < 25.4± 0.10
60 ≤ D < 80± 0.3025.4 ≤ D ≤ 38.1± 0.15
80 ≤ D < 100± 0.4038.1< D < 50.8± 0.20
100 ≤ D < 120+ 0.40
– 0.60
50.8 ≤ D < 63.5± 0.25
63.5 ≤ D < 76.2± 0.30
120 ≤ D < 160+ 0.40
– 0.80
76.2 ≤ D ≤ 101.6± 0.38
101.6 < D ≤ 190.5+ 0.38
-0.64
ThicknessD < 40t < 2+ 0.40
– 0
All dimensions± 10%
t ≥ 2+ 20%
-0
D ≥ 40All Thicknesses+ 22%
-0
LengthD ≤ 50L ≤ 7000+ 7.0D < 50.8+ 3.17
– 0
L > 7000+ 10.0
D > 50L ≤ 7000+ 10.0D ≥ 50.8+ 4.76
– 0
L > 7000+ 13.0
StraightnessMust be straight for practical useBelow 0.8 / 900