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JIS G3444 Carbon Steel Pipes
Grade: STK290/ STK400/ STK490/ STK500/ SKT540
Out Diameter: 1/2″ – 20″ ( DN25 – DN500)
Thickness: 2.0 – 9.3 mm
Length: 6M/ 12M or Customized
Ends Plain/ Bevel
Usage Steel structure, Scaffolding system
Surface Black, Varnish, Galvanized, etc
Product Description
What is JIS G3444 Carbon Steel Pipes?
JIS G3444 refers to a Japanese Industrial Standard that specifies requirements for carbon steel tubes intended for general structural purposes. These pipes are widely used in construction, civil engineering, and other applications where good strength and weldability are important.
JIS G3444 Carbon Steel Pipes Specification
| Outside Diameter | Wall Thickness | Cross Sectional Area | Weight | Moment of Inertia | Moduius of Section | Radius of Gyration |
| mm | mm | cm² | kg/m | cm² | cm² | cm |
| 21.7 | 2.0 | 1.238 | 0.972 | 0.672 | 0.560 | 0.700 |
| 60.5 | 2.3 | 4.205 | 3.30 | 17.8 | 5.90 | 2.06 |
| 3.2 | 5.760 | 4.52 | 23.7 | 7.84 | 2.03 | |
| 4.0 | 7.100 | 5.57 | 28.5 | 9.41 | 2.00 | |
| 139.8 | 3.6 | 15.40 | 12.1 | 357 | 5.11 | 4.82 |
| 4.0 | 17.07 | 13.4 | 394 | 56.3 | 4.80 | |
| 4.5 | 19.13 | 15.0 | 438 | 62.7 | 4.79 | |
| 6.0 | 25.22 | 19.8 | 566 | 80.9 | 4.47 | |
| 267.4 | 6.0 | 49.27 | 38.7 | 421X10 | 315 | 9.24 |
| 6.6 | 54.08 | 42.4 | 460X10 | 344 | 9.22 | |
| 7.0 | 57.26 | 45.0 | 486X10 | 363 | 9.21 | |
| 8.0 | 65.19 | 51.2 | 549X10 | 411 | 9.18 | |
| 9.0 | 73.06 | 57.3 | 611X10 | 457 | 9.14 | |
| 9.3 | 75.41 | 59.2 | 629X10 | 470 | 9.13 |
Common Applications of JIS G3444 Carbon Steel Pipe
JIS G3444 carbon steel pipes are not typically used for high-pressure or high-temperature applications. Instead, they are widely utilized in:
- Civil Engineering Projects: Such as steel towers, bridge structures, and piles for landslide prevention.
- Structural Frameworks: Used in various buildings and general construction.
- Scaffolding: A common application for their strength and versatility.
- General Construction and Architectural Applications: Providing structural support in a variety of settings