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Product name : JIS G3456 STPT480 Seamless Steel Pipe
Item : 2024326175421
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  Details:
 JIS G3456 STPT480 seamless steel pipe is a type of high-pressure fuel pipe used for boilers, heat exchangers, and superheaters. It belongs to a family of Japanese Industrial Standards (JIS) that covers carbon steel pipes for high-temperature service.
 
Chemical Composition
 
The chemical composition of JIS G3456 STPT480 seamless steel pipe is as follows:
 
Carbon (C): 0.33 - 0.38%
Manganese (Mn): 0.5 - 0.8%
Phosphorus (P): ≤ 0.035%
Sulfur (S): ≤ 0.035%
Silicon (Si): 0.15 - 0.35%
 
Mechanical Properties
 
The mechanical properties of JIS G3456 STPT480 seamless steel pipe are:
 
Tensile Strength (MPa): ≥ 570
Yield Strength (MPa): ≥ 335
Elongation (%): ≥ 30
Hardness (HB): ≤ 187
 
Heat Treatment
 
The JIS G3456 STPT480 seamless steel pipe can be heat treated by either normalization or quenching and tempering.
 
The normalization process involves heating the steel pipe to a temperature of 900-950℃, holding it for a predetermined time, and then cooling it in still air.
 
The quenching and tempering process involves heating the steel pipe to a temperature of 850-890℃, quenching it in water or oil, and then tempering it at a temperature of 540-700℃.
 
Dimension Range
 
The outer diameter of JIS G3456 STPT480 seamless steel pipe ranges from 14mm to 1422mm, and its wall thickness ranges from 2mm to 30mm.
 
Applications
 
JIS G3456 STPT480 seamless steel pipe is mainly used for high-pressure fuel pipes in boilers, heat exchangers, and superheaters in the petroleum, chemical, electric power, and boiler industries.
 
TJC Steel Supply Cases
 
TJC Steel has supplied JIS G3456 STPT480 seamless steel pipe to several customers in various industries, including the petroleum, chemical, and electric power industries.
 
In one case, TJC Steel supplied JIS G3456 STPT480 seamless steel pipe to a petrochemical company in Asia for use in a high-pressure fuel pipe in a boiler. The customer was satisfied with the quality of the product and the timely delivery by TJC Steel.
 
In another case, TJC Steel supplied JIS G3456 STPT480 seamless steel pipe to an electric power company in Europe for use in a heat exchanger. The customer praised TJC Steel for its excellent service and timely delivery.
 
Conclusion
 
JIS G3456 STPT480 seamless steel pipe is a durable and reliable high-pressure fuel pipe used in boilers, heat exchangers, and superheaters. It has excellent mechanical properties, can be heat treated by either normalization or quenching and tempering, and has a wide dimension range. TJC Steel has a proven track record in supplying JIS G3456 STPT480 seamless steel pipe to various customers in different industries.

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