we have obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc.
we have obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc.
JIS G3452 Japanese Industrial Standard specifies the carbon steel pipes, used for the piping for conveying steam, water, oil, gas, air, etc. At comparatively low working pressures.
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Standards/code |
Available specifications (nominal diameter) |
Manufacturing |
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JIS G 3452 |
15A～100A |
Forge welded |
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Main features and applications |
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1) Used for the transportation of water (not water supplies), air, steam, oil, gas, and other fluids at relatively low pressures. 2) Two different kinds: black pipe and white pipe. Operating temperature range: -15 to 350°C. 3) MZN grade groove corrosion-resistant ERW steel pipe is also sold, for protection against the groove corrosion that may occur along the welds of ERW steel pipe. |
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Dimensions weights and Dimensional Tolerances |
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Nominal Diameter |
OD(mm) |
OD Tolerances |
WT mm |
WT Tolerances |
Unit mass excluding socket kg/m |
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|
A |
B |
Pipes to be cut in taper thread |
Other pipes |
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6 |
1/8 |
10.5 |
±0.5mm |
±0.5mm |
2.0 |
+Not specified -12.5% |
0.419
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8 |
1/4 |
13.8 |
±0.5mm |
±0.5mm |
2.3 |
0.652 |
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10 |
3/8 |
17.3 |
±0.5mm |
±0.5mm |
2.3 |
0.851 |
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15 |
1/2 |
21.7 |
±0.5mm |
±0.5mm |
2.8 |
1.31 |
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20 |
3/4 |
27.2 |
±0.5mm |
±0.5mm |
2.8 |
1.68 |
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25 |
1 |
34.0 |
±0.5mm |
±0.5mm |
3.2 |
2.43 |
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32 |
1 1/4 |
42.7 |
±0.5mm |
±0.5mm |
3.5 |
3.38 |
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40 |
1 1/2 |
48.6 |
±0.5mm |
±0.5mm |
3.5 |
3.89 |
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50 |
2 |
60.5 |
±0.5mm |
±1% |
3.8 |
5.31 |
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65 |
2 1/2 |
76.3 |
±0.7mm |
±1% |
4.2 |
7.47 |
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80 |
3 |
89.1 |
±0.8mm |
±1% |
4.2 |
8.79 |
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90 |
3 1/2 |
101.6 |
±0.8mm |
±1% |
4.2 |
10.1 |
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100 |
4 |
114.3 |
±0.8mm |
±1% |
4.5 |
12.2 |
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125 |
5 |
139.8 |
±0.8mm |
±1% |
4.5 |
15.0 |
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150 |
6 |
165.2 |
±0.8mm |
±1.6mm |
5.0 |
19.8 |
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175 |
7 |
190.7 |
±0.9mm |
±1.6mm |
5.3 |
24.2 |
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200 |
8 |
216.3 |
±1.0mm |
±0.8% |
5.8 |
30.1 |
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225 |
9 |
241.8 |
±1.2mm |
±0.8% |
6.2 |
36.0 |
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250 |
10 |
267.4 |
±1.3mm |
±0.8% |
6.6 |
42.4 |
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300 |
12 |
318.5 |
±1.5mm |
±0.8% |
6.9 |
53.0 |
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350 |
14 |
355.6 |
- |
±0.8% |
7.9 |
67.7 |
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400 |
16 |
406.4 |
- |
±0.8% |
7.9 |
77.6 |
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450 |
18 |
457.2 |
- |
±0.8% |
7.9 |
87.5 |
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500 |
20 |
508.0 |
- |
±0.8% |
7.9 |
97.4 |
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World standard comparative table
|
KS |
ASTM |
JIS |
API |
DIN |
BS |
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|
Grade Number |
GRADE |
Grade Number |
GRADE |
Grade Number |
GRADE |
Grade Number |
GRADE |
Grade Number |
GRADE |
Grade Number |
GRADE |
|
D3507 |
SPP |
ASTM A53 |
Type F |
G3452 |
SGP |
5L |
A25-1 |
2440 |
St33-2 |
1387 |
BW320 |
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CHEMICAL COMPOSITION unit (%) |
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|
Steel grade |
P |
S |
|
SGP |
0.040max |
0.040max |
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MECHANICAL PROPERTIES |
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|
Steel grade |
Tensile strength Mpa |
Elongation min |
|
SGP |
290 |
30 |
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