| 보일러, 열 교환기용 스테인리스 강관 (Stainless steel for boiler and heat exchanger tubes)

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용 도 : 보일러의 과열기관 / 화학 공업 / 석유 공업의 열 교환기관 / 콘덴서관 / 촉매관 등
규 격 : KS D 3577 / JIS G 3463 / ASTM A 249
재 질 : STS 304 / STS 316 외 다수

[ 강관치수 및 중량 ]단위 : kg/m | → : 두께(mm) / ↓ : 외경(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

 

[ 허용공차 ] 
 KS D 3577 (JIS G 3463)ASTM A 249
허용공차외경D < 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
두께D < 40t < 2+ 0.40
– 0
모든치수± 10%
t ≥ 2+ 20%
-0
D ≥ 40모든두께+ 22%
-0
길이D ≤ 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
직진도실용상 곧아야함0.8 / 900 이하

 

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