JIS G3454 is Janpness standard for Carbon steel pipe for pressure service.
JIS G3454 STPG 410 carbon steel pipes are essential for industries that require reliable, high-strength piping solutions for pressure service. When selecting these pipes, it is important to consider the specific requirements of your application and ensure compliance with relevant standards.
JIS G3454: This standard pertains to carbon steel pipes suitable for high-temperature and high-pressure applications.
STPG 410: A specific grade of carbon steel within this standard, known for its higher strength and suitability for pressure service.
The pipes are available in various diameters and wall thicknesses to meet the specifications outlined in JIS G3454.
Commonly used in various industries for transporting fluids and gases under high pressure, including:
STPG 410 pipes can be manufactured through seamless or welded processes, depending on the intended application.
Pipes must undergo several tests, including:
This Standard specifies the carbon steel pipes (hereafter referred to as “pipes”) used for high pressure service at temperatures 350°C or lower. This Standard is generally applicable to pipes of outside diameters 10.5mm (nominal diameter 6A or 1/8B) to 660.4 mm (nominal diameter 650A or 26B).
In addition to the items specified in this text, the purchaser can previously designate special quality requirements upon agreement with the manufacturer, which are shown in Annex JA.
NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:
ISO 9329-2: 1997 Seamless steel tubes for pressure purposes-Technical delivery conditions-Part 2: Unalloyed and alloyed steels with specified elevated temperature properties (MOD)
The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEe Guide 21-1.
JIS G3455 is a Japanese Industrial Standard that specifies carbon steel pipes for high pressure service at an approximate maximum temperature of 350°C. The standard covers pipes with an outer diameter ranging from 15 to 600 mm, and wall thicknesses from 1 to 50 mm. The JIS G3455 specification includes four different grades of carbon steel pipes: STS 370, STS 410, STS 480, and STS 510.
| Standard | Grade | C | Si | Mn | P | S |
| JIS G3455 | STS370 | ≤0.25 | 0.10-0.35 | 0.30-1.10 | ≤0.035 | ≤0.035 |
| STS410 | ≤0.30 | 0.10-0.35 | 0.30-1.40 | ≤0.035 | ≤0.035 | |
| STS480 | ≤0.33 | 0.10-0.35 | 0.30-1.50 | ≤0.035 | ≤0.035 |
| Standard | Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| JIS G3455 | STS370 | ≥216 | ≥370 | ≥30 |
| STS410 | ≥245 | ≥410 | ≥25 | |
| STS480 | ≥275 | ≥480 | ≥25 |
The tubes shall be manufactured by seamless process, electric resistance welding process, or butt welding process, and those of other grades shall be manufactured by seamless process or electric resistance welding process. The tube shall be as manufactured or as cold-finished condition, or they shall be subjected to appropriate heat treatment.
The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube. The tubes shall be free from defects detrimental to practical use.
The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. The most recent editions of the standards (including amendments) indicated below shall be applied.
| Division | Tolerances on outside diameter | Tolerances on wall thickness | Tolerances on wall thickness deviation |
|---|---|---|---|
| Hot-finished seamless steel pipe | 50mm Under 【0.5mm | ≤4mm Under +0.6mm -0.5mm ≤4mm or over +15% -12.5% |
Within 20% of wall thickness |
| 50mm or over 200mm to and excl. 【1.6mm |
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| 200mm of over 【0.8% | |||
| For the pipe 350mm of over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. shall be 【0.5%. |
|||
| Cold-finished seamless steel pipe | 40mm Under【0.3mm | ≤2mm Under 【0.2mm |
- |
| 40mm of over 【0.8% | ≤2mm or over 【10% |
||
| For the pipe 350mm or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference, In this case, the tolerances shall be 【0.5%. |
Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.
Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.
Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.
The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.
Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.
The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.
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