JIS G3455 Pipe
JIS G3455
JIS G3455 is a standard specification developed by the Japan Industry Commission for seamless carbon steel tubes for high pressure service at a maximum temperature of approximately 350 ° C. pandapipe manufactures high quality seamless steel pipes with high pressure and high temperature resistance in strict accordance with the standards. It has passed strict manufacturing process and quality testing, and supports three-party inspection to provide the best solution for your project.
JIS G3455 Seamless Pipe Specifications
JIS G3455 steel pipe manufactured by Pandapipe has a very comprehensive specification. Pandapipe not only provides you with polishing, blackening, oiling, hot dip galvanizing and other surface treatment processing services. There are also a variety of end types, combined methods and pipe finishing available to ensure that your project is carried out perfectly.
| Standard | JIS G 3455 | ||
| Procedure | SMLS | ||
| Dimensions | 10.3mm – 660.4mm | ||
| 1/8″ – 26″ | |||
| DN6 – DN650 | |||
| Thickness | 1.7mm – 64.2mm | ||
| SCH 40 – SCH 160 | |||
| Unit Length | 6 meters, 12 meters or customized. | ||
| Steel Grade | JIS G 3455 STS370 | JIS G 3455 STS410 | JIS G 3455 STS470 |
| Surface Coating | Varnishing, Black, Oiling, Hot Dip Galvanizing | ||
| End Type | Square cut, Bevelled, Threaded, Grooved | ||
| Joint Method | Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding | ||
| Pipe Machining | Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding | ||
JIS G3455 Standard Steel Grades
JIS G3455 STS370
JIS G3455 STS370 steel pipe has a minimum yield strength of 370MPa. It is suitable for moderate strength applications such as chemical equipment, oil and gas transmission pipelines, and building structures.
JIS G3455 STS410
JIS G3455 STS410 steel pipe has a minimum yield strength of 410MPa. It is suitable for applications with high pressure requirements such as shipbuilding and machinery manufacturing.
JIS G3455 STS480
JIS G3455 STS480 steel pipe has a minimum yield strength of 480MPa. It is suitable for applications requiring high pressure and high strength. For example, major load-bearing structures and high-pressure transmission pipelines.
Chemical Requirements of JIS G3455
The seamless carbon steel tubes manufactured by Pandapipe strictly comply with the chemical composition requirements set out in JIS G3455 standard. Strict proportional control of chemical elements such as carbon, manganese, phosphorus, sulfur and silicon, the precise chemical composition enhances the mechanical properties of the pipeline, ensuring its durability and resistance to high pressure and high temperature.
| Chemical Composition Unit:% | |||||
|---|---|---|---|---|---|
| Designation of Grade | C | Si | Mn | P | S |
| STS370 | 0.25 max. | 0.10 to 0.35 | 0.30 to 1.10 | 0.035 max. | 0.035 max. |
| STS410 | 0.30 max. | 0.10 to 0.35 | 0.30 to 1.40 | 0.035 max. | 0.035 max. |
| STS480 | 0.33 max. | 0.10 to 0.35 | 0.30 to 1.50 | 0.035 max. | 0.035 max. |
| Other alloy elements than those given in this table may be added as required. | |||||
Mechanical Requirements of JIS G3455
The mechanical properties of Pandapipe tubes cover yield strength, tensile strength and elongation. The different grades of steel ensure that the pipes produced can withstand different levels of pressure and temperature. A professional team will provide you with the option to select the grade that best suits your specific application.
| Mechanical Properties | ||||||
|---|---|---|---|---|---|---|
| Designation of Grade | Tensile StrengthN/mm2 | Yield Point or Proof Stress N/mm2 | Elongation % | |||
| Test pieces No.11 Test pieces No.12 | Test pieces No.5 | Test pieces No.4 | ||||
| Parallel to pipe axis | Perpendicular to pipe axis | Parallel to pipe axis | Perpendicular to pipe axis | |||
| STS370 | 370 min. | 215 min. | 30 min. | 25 min. | 28 min. | 23 min. |
| STS410 | 410 min. | 245 min. | 25 min. | 20 min. | 24 min. | 19 min. |
| STS480 | 480 min. | 275 min. | 25 min. | 20 min. | 22 min. | 17 min. |
| NOTE: 1 N/mm2=1 MPa | ||||||
Application of JIS G3455
- Marine and offshore engineering: mainly used in ship structures, offshore oil platforms and wind power platform pipeline systems.
- Mechanical manufacturing and engineering equipment: JIS G3455 seamless carbon steel pipe is mainly used in the manufacture of gear and drive shaft and other parts, as well as support systems.
- Building and structural engineering: mainly used for bearing beam, column bearing structure, bridge, tower and other structure support system, etc.