熱交換用ステンレススチールパイプは尖端熱処理システメおよび洗滌方式を通じてもらった高い熱抵抗と腐食防止機能を持っているので様々な産業で私用されています。
Specification : KS D 3557, JIS G 3463, ASTM A249/A270
Usage : boiler part, hat exchanger, usded in chemical and petroleum industry
Unit : mm
Nominal size
| O.D
| Nominal Wall Thickness (SCH)
|
5S
| 10S
| 20S
| 40
| 40S
| 80
| 80S
|
A
| B
| KS(JIS)
| ASTM
| KS(JIS)
| ASTM
| KS(JIS)
| ASTM
| KS(JIS)
| KS(JIS)
| ASTM
| KS(JIS)
| ASTM
|
6
| 1/3
| 10.5
| 10.29
| 1.0
| | 1.2
| 1.24
| 1.5
| 1.7
| 1.73
| 2.4
| 2.41
|
8
| 1/4
| 13.8
| 13.72
| 1.2
| | 1.65
| 1.65
| 2.0
| 2.2
| 2.24
| 3.0
| 3.02
|
10
| 3/8
| 17.3
| 17.15
| 1.2
| | 1.65
| 1.65
| 2.0
| 2.3
| 2.31
| 3.2
| 3.20
|
15
| 1/2
| 21.7
| 21.34
| 1.65
| 1.65
| 2.1
| 2.11
| 2.5
| 2.8
| 2.77
| 3.7
| 3.73
|
20
| 3/4
| 27.2
| 26.67
| 1.65
| 1.65
| 2.1
| 2.11
| 2.5
| 2.9
| 2.87
| 3.9
| 3.91
|
25
| 1
| 34.0
| 33.40
| 1.65
| 1.65
| 2.8
| 2.77
| 3.0
| 3.4
| 3.38
| 4.5
| 4.55
|
32
| 1 1/4
| 42.7
| 42.16
| 1.65
| 1.65
| 2.8
| 2.77
| 3.0
| 3.6
| 3.56
| 4.9
| 4.85
|
40
| 1 1/2
| 48.6
| 48.26
| 1.65
| 1.65
| 2.8
| 2.77
| 3.0
| 3.7
| 3.68
| 5.1
| 5.08
|
50
| 2
| 60.5
| 60.33
| 1.65
| 1.65
| 2.8
| 2.77
| 3.5
| 3.9
| 3.91
| 5.5
| 5.54
|
65
| 2 1/2
| 76.3
| 73.03
| 2.1
| 2.11
| 3.0
| 3.05
| 3.5
| 5.2
| 5.16
| 7.0
| 7.01
|
80
| 3
| 89.1
| 88.90
| 2.1
| 2.11
| 3.0
| 3.05
| 4.0
| 5.5
| 5.49
| 7.6
| 7.62
|
90
| 3 1/2
| 101.6
| 101.60
| 2.1
| 2.11
| 3.0
| 3.05
| 4.0
| 5.7
| 5.74
| 8.1
| 8.08
|
100
| 4
| 114.3
| 114.30
| 2.1
| 2.11
| 3.0
| 3.05
| 4.0
| 6.0
| 6.02
| 8.6
| 8.56
|
125
| 5
| 139.8
| 141.30
| 2.8
| 2.77
| 3.4
| 3.40
| 5.0
| 6.6
| 6.55
| 9.5
| 9.52
|
150
| 6
| 165.2
| 168.28
| 2.8
| 2.77
| 3.4
| 3.40
| 5.0
| 7.1
| 7.11
| 11.0
| 10.97
|
200
| 8
| 216.3
| 219.08
| 2.8
| 2.77
| 4.0
| 3.76
| 6.5
| 8.2
| 8.18
| 12.7
| 12.70
|
250
| 10
| 267.4
| 273.05
| 3.4
| 3.40
| 4.0
| 4.19
| 6.5
| 9.3
| 9.27
| 15.1
| 12.70
|
300
| 12
| 318.5
| 323.85
| 4.0
| 3.96
| 4.5
| 4.57
| 6.5
| 10.3
| 9.52
| 17.4
| 12.70
|
350
| 14
| 355.6
| 355.60
| | 3.96
| | 4.78
| | 11.1
| | 19.0
| |
400
| 16
| 406.4
| 406.40
| | 4.19
| | 4.78
| | 12.7
| | 21.4
| |
Unit : mm
Division
| KS D 3577(JIS G 3463)
| ASTM A 249(A 1016)
|
Tolerances
| Outer
Diameter
| D < 60
| ±0.25
| D < 25.4
| ±0.10
|
60 ≤ D < 80
| ±0.30
| 25.4 ≤ D < 38.1
| ±0.15
|
80 ≤ D <100
| ±0.40
| 38.1 ≤ D < 50.8
| ±0.20
|
100 ≤ D < 120
| +0.40
-0.60
| 50.8 ≤ D < 63.5
| ±0.25
|
120 ≤ D < 160
| +0.40
-0.80
| 63.5 ≤ D < 76.2
| ±0.30
|
Wall
Thickness
| D < 40
| t < 2
| +0.40
-0
| All Size
| ±10%
or +18%
-0
|
t ≥ 2
| +20%
-0
|
D ≥ 40
| All
| +22%
-0
|
Length
| D ≤ 50
| I ≤ 7000
| +7.0
| D < 50.8
| +3
-0
|
I > 7000
| +10.0
|
D > 50
| I ≤ 7000
| +10.0
| D ≥ 50.8
| +5
-0
|
I > 7000
| +13.0
|
Straightness
| Shall be practically straight
| Under 0.76 per 914
|
