KS D3507 Carbon Steel Pipe
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KS D3507 Carbon Steel Pipes for Ordinary Piping
1. Scopeconveying steam, water, oil, gas, air, etc. at comparatively low working pressures.
Remark: The units and numerical values given in { } in this Standard are based on the International System of Units (SI) and
are appended for informative reference.
2. Grade and Designation and galvanized ones according to nonexistence of existence of zinc-coated layers.
Table 1. Letter Symbol of Grade
|
Letter symbol of grade |
Remark |
Black pipe |
Pipe without zinc coating |
|
Galvanized pipe |
Pipe with zinc coating |
Remark: Where it is necessary to identify the galvanized pipe by the letter symbol on the drawing and other documents,
"-ZN" shall be suffixed to the letter symbol of the grade. This notation, however, shall not be applied to the product itself.
5. and elongation shall be as given in Table 3-1 or Table 3-2.
Table 3-1. Mechanical Properties
|
Letter symbol of grade |
Tensile test |
||
|
|
30 {294} min. |
30 min. |
25 min. |
Dimension Table:
|
NPS |
OD (mm) |
Tolerances on OD |
WT mm |
Tolerances on WT |
Unit mass excluding socket kg/m |
||
|
A |
B |
Pipes to be cut in taper thread |
Other pipes |
||||
|
6 |
1/8" |
10.5 |
【0.5mm |
【0.5mm |
2 |
(+Not specified -12.5%) |
0.419 |
|
8 |
1/4" |
13.8 |
【0.5mm |
【0.5mm |
2.35 |
0.664 |
|
|
10 |
3/8" |
17.3 |
【0.5mm |
【0.5mm |
2.35 |
0.866 |
|
|
15 |
1/2" |
21.7 |
【0.5mm |
【0.5mm |
2.65 |
1.25 |
|
|
20 |
3/4" |
27.2 |
【0.5mm |
【0.5mm |
2.65 |
1.6 |
|
|
25 |
1 |
34 |
【0.5mm |
【0.5mm |
3.25 |
2.45 |
|
|
32 |
1 1/4 |
42.7 |
【0.5mm |
【0.5mm |
3.25 |
3.16 |
|
|
40 |
1 1/2 |
48.6 |
【0.5mm |
【0.5mm |
3.25 |
3.63 |
|
|
50 |
2 |
60.5 |
【0.5mm |
【1% |
3.65 |
5.12 |
|
|
65 |
2 1/2 |
76.3 |
【0.7mm |
【1% |
3.65 |
6.34 |
|
|
80 |
3 |
89.1 |
【0.8mm |
【1% |
4.05 |
8.49 |
|
|
90 |
3 1/2 |
101.6 |
【0.8mm |
【1% |
4.05 |
9.74 |
|
|
100 |
4 |
114.3 |
【0.8mm |
【1% |
4.5 |
12.2 |
|
|
125 |
5 |
139.8 |
【0.8mm |
【1% |
4.85 |
16.1 |
|
|
150 |
6 |
165.2 |
【0.8mm |
【1% |
4.85 |
19.2 |
|
|
175 |
7 |
190.7 |
【0.9mm |
【1% |
5.3 |
24.2 |
|
|
200 |
8 |
216.3 |
【1.0mm |
【1% |
5.85 |
30.4 |
|
|
225 |
9 |
241.8 |
【1.2mm |
【1% |
6.2 |
36 |
|
|
250 |
10 |
267.4 |
【1.3mm |
【1% |
6.4 |
41.2 |
|
|
300 |
12 |
318.5 |
【1.5mm |
【1% |
7 |
53.8 |
|
|
350 |
14 |
355.6 |
- |
【1% |
7.6 |
65.2 |
|
|
400 |
16 |
406.4 |
- |
【1% |
7.9 |
77.6 |
|
|
450 |
18 |
457.2 |
- |
【1% |
7.9 |
87.5 |
|
|
500 |
20 |
508 |
- |
【1% |
7.9 |
97.4 |
|
|
550 |
22 |
558.8 |
- |
【1% |
7.9 |
10.7 |
|
|
600 |
24 |
609.6 |
- |
【1% |
7.9 |
11.7 |
|
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