JIS G3456 Steel Pipe
JIS G3456 Steel Pipes
JIS G3456 is a Japanese Industrial standard (JIS) issued for high temperature distribution pipe carbon steel pipe specific standard, mainly for use in the pipeline system to withstand high temperature environment above 350℃. The pipes supplied by Pandapipe are manufactured in strict accordance with the standards set by JIS G3456, ensuring high quality and high performance in engineering project applications.
JIS G3456 Specification
JIS G3456 carbon steel tubes manufactured by Pandapipe are available in a wide range of specifications to meet the specific needs of your project. Resistance welded tubes (ERW) and seamless tubes manufactured by hot or cold working production processes are also available. In addition, you can also provide a variety of end types, connection methods and pipe processing services.
| Standard | JIS G 3456 |
| Procedure | ERW, SMLS |
| Dimensions | 10.5-660.4mm |
| Thickness | 1.7mm – 52mm |
| Unit Length | 3 – 18 mtrs |
| Steel Grade | STPT 370 |
| STPT 410 | |
| STPT 480 | |
| Surface Coating | Black lacquer coating,Varnishing, Oiling, Hot Dip Galvanizing |
| FBE, 2PP, 3PP, 2PE, 3PE | |
| End Type | Plain, Bevelled, Threaded, Grooved，Shouldered |
| Joint Method | Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding |
| Pipe Machining | Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding |
Steel Grades in JIS G3456
JIS G3456 STPT370
JIS G3456 STPT370 steel pipe has a minimum yield strength of 215MPa. JIS G3456 STPT370 steel pipe is mainly used in pressure pipes, high temperature pipes and other application scenarios. Especially at temperatures above 350℃.
JIS G3456 STPT410
JIS G3456 STPT410 steel pipe has a minimum yield strength of 245MPa. JIS G3456 STPT410 steel pipe is mainly used in high temperature environment pipeline system, such as petroleum, chemical, electric power, boiler and other industries pipeline system.
JIS G3456 STPT480
JIS G3456 STPT480 steel pipe has a minimum yield strength of 315 mpa. Because JIS G3456 STPT480 steel pipe has a high strength grade of ≥480MPa, it is suitable for high temperature pipe systems with higher strength requirements.
JIS G3456 Dimension Table
Here is the size table of JIS G3456 pipe provided by Pandapipe. Our steel pipe products come in a wide variety of sizes. For ERW pipes, the outer diameter ranges from 15.0 to 660mm with a wall thickness of 2 to 20mm. For seamless pipes, the outer diameter also ranges from 15.0 to 660mm, but with a wall thickness of 2 to 50mm. pandapipe, on the other hand, can provide you with flexible personalized services.
| Outside Diameter mm | Nominal Wall Thickness mm | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SCH10 | SCH20 | SCH30 | SCH40 | SCH60 | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 | |
| 10.5 | – | – | – | 1.7 | – | 2.4 | – | – | – | – |
| 13.8 | – | – | – | 2.2 | – | 3 | – | – | – | – |
| 17.3 | – | – | – | 2.3 | – | 3.2 | – | – | – | – |
| 21.7 | – | – | – | 2.8 | – | 3.7 | – | – | – | 4.7 |
| 27.2 | – | – | – | 2.9 | – | 3.9 | – | – | – | 5.5 |
| 34 | – | – | – | 3.4 | – | 4.5 | – | – | – | 6.4 |
| 42.7 | – | – | – | 3.6 | – | 4.9 | – | – | – | 6.4 |
| 48.6 | – | – | – | 3.7 | – | 5.1 | – | – | – | 7.1 |
| 60.5 | – | – | – | 3.9 | – | 5.5 | – | – | – | 8.7 |
| 76.3 | – | – | – | 5.2 | – | 7 | – | – | – | 9.5 |
| 89.1 | – | – | – | 5.5 | – | 7.6 | – | – | – | 11.1 |
| 101.6 | – | – | – | 5.7 | – | 8.1 | – | – | – | 12.7 |
| 114.3 | – | – | – | 6 | – | 8.6 | – | 11.1 | – | 13.5 |
| 139.8 | – | – | – | 6.6 | – | 9.5 | – | 12.7 | – | 15.9 |
| 165.2 | – | – | – | 7.1 | – | 11.0 | – | 14.3 | – | 18.2 |
| 216.3 | – | 6.4 | 7 | 8.2 | 10.3 | 12.7 | 15.1 | 18.2 | 20.6 | 23.0 |
| 267.4 | – | 6.4 | 7.8 | 9.3 | 12.7 | 15.1 | 18.2 | 21.4 | 25.4 | 28.6 |
| 318.5 | – | 6.4 | 8.4 | 10.3 | 14.3 | 17.4 | 21.4 | 25.4 | 28.6 | 33.3 |
| 355.6 | 6.4 | 7.9 | 9.5 | 11.1 | 15.1 | 19.0 | 23.8 | 27.8 | 31.8 | 35.7 |
| 406.4 | 6.4 | 7.9 | 9.5 | 12.7 | 16.7 | 21.4 | 26.2 | 30.9 | 36.5 | 40.5 |
| 457.2 | 6.4 | 7.9 | 11.1 | 14.3 | 19.0 | 23.8 | 29.4 | 34.9 | 39.7 | 45.2 |
| 508 | 6.4 | 9.5 | 12.7 | 15.1 | 20.6 | 26.2 | 32.5 | 38.1 | 44.4 | 50.0 |
| 558.8 | – | – | – | 15.9 | 22.2 | 28.6 | 34.9 | 41.3 | 47.6 | 54.0 |
| 609.6 | – | – | – | 17.5 | 24.6 | 31.0 | 38.9 | 46.0 | 52.4 | 59.5 |
| 660.4 | – | – | – | 18.9 | 26.4 | 34.0 | 41.6 | 49.1 | 56.6 | 64.2 |
Chemical Requirements of JIS G3456
JIS G3456 pipes are made of carbon steel. Pandapipe strictly controls the chemical composition of steel in the manufacturing process in accordance with the chemical requirements of JIS G3456 standard. Ensure the production of steel pipe products with corrosion resistance and high strength, can withstand the extreme environment of high temperature and pressure.
| Chemical Composition Unit:% | |||||
|---|---|---|---|---|---|
| Designation of Grade | C | Si | Mn | P | S |
| STPT 370 | 0.25 max. | 0.10 to 0.35 | 0.30 to 0.90 | 0.035 max. | 0.035 max. |
| STPT 410 | 0.30 max. | 0.10 to 0.35 | 0.30 to 1.00 | 0.035 max. | 0.035 max. |
| STPT 480 | 0.33 max. | 0.10 to 0.35 | 0.30 to 1.00 | 0.035 max. | 0.035 max. |
Mechanical Requirements of JIS G3456
JIS G3456 carbon steel tubes manufactured by Pandapipe meet all mechanical requirements specified in JIS G3456 standard. Our pipes have been tested for tensile testing, flattening testing and sealing testing to strictly control the mechanical properties of the products.
| Designation of Grade | Tensile StrengthN/mm2 | Yield Point or Proof StressN/mm2 |
|---|---|---|
| STPT 370 | 370 min. | 215 min. |
| STPT 410 | 410 min. | 245 min. |
| STPT 480 | 480 min. | 275 min. |
Production Tolerance of JIS G3456
| Division | Tolerances on outside diameter | Tolerances on thickness | Tolerance on deviatiol in wall thickness |
|---|---|---|---|
| Hot finished seamless steel pipe | Up to 50 mm[0.5mm | Up to 4 mm [0.5mm | Up to and incl. 20 % o wall thickness |
| 50mm and over, up to 160mm [1% | |||
| 160mm and over, up to 200mm [1.6mm | 4mm and over [12.5% | ||
| 200mm and over [0.8% | |||
| However for pipes 350mm and over in diameter, the length of circumference may substitute as a basis for tolerances, In this case, the toleranoes shall be [0.5%. | |||
| Cold finished seamless stee pipe and electric resistancewelded steel pipe | Up to 40mm [0.3mm | Up to 2 mm [0.2mm | – |
| 40mm and over [0.8% | 2mm and over [10% | ||
| However for pipes 350mm and over in diameter, the length of circumference may substitute as a basis for tolerances, In this case, the toleranoes shall be [0.5%. |
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