JIS G3461 STB510 is a steel pipe standard for boilers and heat exchangers that belongs to the Japanese Industrial Standard (JIS). STB510 is a high-pressure seamless steel pipe commonly used in the manufacture of heat exchangers and boilers.

standard:JIS

Surface :1. Galvanized 2. Black and Color Painting

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introduction

JIS G3461 STB510 boiler and heat exchanger tubes are suitable for a variety of industrial applications in high temperature, high pressure and corrosive environments. It can provide reliable heat transfer and pressure-bearing capacity for thermal equipment such as boilers and heat exchangers, thereby ensuring the normal operation and safety of the equipment.
Due to its high carbon content, STB510 steel pipe exhibits excellent strength and hardness at high temperatures and is able to withstand high-pressure working environments. The minimum tensile strength is 510 MPa and the minimum yield strength is 295 MPa. This makes STB510 tube suitable for use in high-pressure boilers, where it can withstand high levels of stress and pressure.
STB510 carbon steel pipe also has good corrosion resistance and can resist the attack of various chemicals. This gives it a long service life and reliability in high temperature and high pressure environments.

Technical Data

Chemical Composition of JIS G3461 STB 510 pipe

Standard:JIS G3461	Grade	Chemical Composition Limits (%)
	Grade	C	Si	Mn	P.	S
	STB 510	≤ 0.25	≤ 0.35	1.00-1.50	≤ 0.035	≤ 0.035

Note:Where required by the purchaser, Si may be designated as 0.10 to 0.35%.

Mechanical Properties of JIS G3461 STB 510 steel pipe

Grade	Tensile Property (N/mm2)	Yield Point or Yield Strength (N/mm2)	Rockwell hardness HRB	Elongation (%)
				OD ≥20 mm	10 mm ≤OD ＜20 mm	OD ＜10 mm
				Longitudinal	Transverse	Transverse
STB 510	≥ 510	≥ 295	92 max.	≥ 25	≥ 20	≥ 17

Note:The above table is only applicable for heat exchanger carbon steel tubes. The buyer can appoint the upper limit value of tensile strength. The upper limit value of tensile strength is the above shown value plus 120 N/mm2.

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Gnee company's advantage lies in providing high-quality steel pipe products to meet customers' various engineering and industrial needs. We have advanced production equipment and technology, providing diverse steel pipe specifications and material selections, as well as reliable delivery and customer support services.

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