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SJS Enersol

NPS 16 – NPS 24

16 to 24 Other Dimensions:
1/2- 2|2½- 5|6-14|16-24
NPS
16
18
20
22
24
OD
406.04
457.2
508
558.8
609.6
Wall Thickness
Sch 5
4.19
4.19
4.78
4.78
5.54
Sch 5S
4.19
4.19
4.78
4.78
5.54
Sch 10
6.35
6.35
6.35
6.35
6.35
Sch 10S
4.78
4.78
5.54
5.54
6.35
Sch 20
7.92
7.92
9.53
9.53
9.53
Sch 30
9.53
11.13
12.70
12.70
14.27
STD
9.53
9.53
9.53
9.53
9.53
Sch 40
12.70
14.27
15.09
17.48
Sch 40S
9.53
9.53
9.53
9.53
Sch 60
16.66
19.05
20.62
22.23
24.61
XS
12.70
12.70
12.70
12.70
12.70
Sch 80
21.44
23.83
26.19
28.58
30.96
Sch 80S
12.70
12.70
12.70
12.70
Sch 100
26.19
29.36
32.54
34.93
38.89
Sch 120
30.96
34.93
38.10
41.28
46.02
Sch 140
36.53
39.67
44.45
47.63
52.37
XXS
Sch 160
40.49
45.24
50.01
53.98
59.54
Wall Thickness
OD
406.04
457.2
508
558.8
609.6
NPS
16
18
20
22
24
16 to 24
Other Dimensions:
1/2- 2|2½- 5|6-14|16-24

NPS = Nominal Pipe Size O.D. = Outside Diameter
Dimensions are in millimeters unless otherwise indicated.

DIMENSIONAL TOLERANCES FOR SEAMLESS AND WELDED PIPES ASTM A530
Nominal pipe size
up to 4 = ± 0.79 mm | 5 thru 8 = + 1.58 mm / – 0.79 mm
10 thru 18 = + 2.37 mm / – 0.79 mm | 20 thru 24 = + 3.18 mm / – 0.79 mm
Wall Thickness
All Diameters = – 12.5%
+ tolerance not specified
Length
+ 6.40 mm / – 0 mm
Weight
Weight = + 10% / – 1.5%
DIMENSIONS AND DIMENSIONAL TOLERANCES

UNITS OF MEASURE

American pipe standards use imperial and metric (SI) units for measurement. It is important not to combine the use of these units since rounding of dimensions has resulted in an incompatibility between some values.

DIMENSIONS

Standard dimensions for welded and seamless wrought steel pipe for high or low temperatures and pressures are described in ASME B36.10. Standard dimensions for welded and seamless wrought stainless steel pipe are described in ASME B36.19. The suffix “S” in the Schedule Number is used to differentiate B36.19 pipe from B36.10 pipe. ASME B36.10 includes other pipe thicknesses which are also commercially available with stainless steel material.

DIMENSIONAL TOLERANCES

The basic permissible variations, including pipe length and straightness requirements, are defined in ASTM A530, this standard being referenced by all ASTM pipe standards.

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