JIS G3448 Stainless Steel Pipe
Standard: JIS G3448 Austenitic Steel: SUS 304 TPD, SUS 315J1TPD, SUS315J2TPD, SUS316TPD OD: NPS 9.52MM - 318.5MM WT: 0.7MM - 3MM Length: As per requirement
Stainless steel pipes for general piping (JIS G 3448) are standardized for building equipment piping (water supply, hot water supply, drainage, cold/hot water, fire water, and other piping), and are thinner than conventional stainless steel pipes. It is characterized by four types: SUS304, SUS315J1, SUS315J2, and SUS316.
It is recommended that the operating pressure be set to 2MPa or less in view of the consistency of the pressure resistance performance of the joint system.
Standard: JIS G3448
Austenitic Steel: SUS 304 TPD, SUS 315J1TPD, SUS315J2TPD, SUS316TPD
OD: NPS 9.52MM - 318.5MM
WT: 0.7MM - 3MM
Length: As per requirement
Scope of application
Water supply, hot water supply, drainage, cold and hot water, fire fighting water and other piping
| Type of symbol | Use (reference) |
| SUS304TPD | For normal water supply, hot water supply, drainage, cold/hot water, fire water, etc. |
| SUS315J1TPD | For applications where corrosion resistance is required more than SUS304TPD due to water quality and environment, and |
| SUS315J2TPD | for hot water piping where stress corrosion cracking resistance is required more than SUS316. |
| SUS316TPD | Applications that require more corrosion resistance than SUS 304TPD due to water quality and environment. |
Chemical composition
| Type symbol | C | Si | Mn | P | S | Ni | Cr | Mo | Cu |
| SUS304TPD | 0.08 or less | 1.00 or less | 2.00 or less | 0.045 or less | 0.030 or less | 8.00-10.50 | 18.00-20.00 | ―A) | ―A) |
| SUS315J1TPD | 0.5-2.50 | 8.50-11.50 | 17.00-20.50 | 0.50-1.50 | 0.50-3.50 |
| SUS315J2TPD | 2.50-4.00 | 11.00-14.00 | 17.00-20.50 | 0.50-1.50 | 0.50-3.50 |
| SUS316TPD | 1.00 or less | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | ―A) |
Outer diameter, thickness, dimensional tolerance and mass
| Classification | DN | OD | Outer diameter tolerance a) | thickness | Thickness tolerance | Unit mass (kg / m) |
| Outer diameter b) | Average outer diameter c) | SUS 304 TPD | SUS315J1TPD |
| SUS315J2TPD |
| SUS316TPD |
| Straight and coiled tubes | 8 | 9.52 | 0 | － | 0.7 | ± 0.12 | 0.154 | 0.155 |
| 10 | 12.7 | -0.37 | 0.8 | 0.237 | 0.239 |
| 13 | 15.88 | | 0.8 | 0.301 | 0.303 |
| 20 | 22.22 | | 1 | 0.529 | 0.532 |
| Straight pipe | 25 | 28.58 | | 1 | 0.687 | 0.691 |
| 30 | 34 | ± 0.34 | ± 0.20 | 1.2 | 0.98 | 0.987 |
| 40 | 42.7 | ± 0.43 | 1.24 | 1.25 |
| 50 | 48.6 | ± 0.49 | ± 0.25 | 1.42 | 1.43 |
| 60 | 60.5 | ± 0.60 | 1.5 | ± 0.15 | 2.2 | 2.22 |
| 75 | 76.3 | ± 1% | ± 0.5% | 2.79 | 2.81 |
| 80 | 89.1 | 2 | ± 0.30 | 4.34 | 4.37 |
| 100 | 114.3 | 5.59 | 5.63 |
| 125 | 139.8 | 6.87 | 6.91 |
| 150 | 165.2 | 3 | ± 0.40 | 12.1 | 12.2 |
| 200 | 216.3 | 15.9 | 16 |
| 250 | 267.4 | 19.8 | 19.9 |
| 300 | 318.5 | 23.6 | 23.7 |
Product Tags:
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Seamless Cold Drawn SUS304 JIS G3448 Stainless Steel Pipe Images
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