JIS G3461 Seamless Tubes For Boilers

JIS G3461 Seamless Tubes For Boilers Specification

Grades: JIS G3461 340, JIS G3461 STB 510, JIS G3461 STB 410

For boiler and water tube, flue tube, superheater tube, economizer bank

OD: 15.9-139.8mm; WT: 1.24mm-59.54mm

Size range: SCH5~SCH160,XXS etc

Treatment: Cold Drawn

Hot Rolled Seamless Steel Tube, Cold Drawn Seamless Tube, Miled Steel Tube

Delivery condition: Annealed, Normalized, Normalized and Tempered

JIS G3461 Seamless Tubes JIS G3461 340, JIS G3461 STB 510, JIS G3461 STB 410 Chemical Composition

Standard	Grade	Chemical Composition Limits (%)
		C	Si	Mn	P	S
JIS G3461	JIS G3461 STB340	≤ 0.18	≤ 0.3	0.30-0.60	≤ 0.035	≤ 0.035
	JIS G3461 STB410	≤ 0.32	≤ 0.35	0.30-0.80	≤ 0.035	≤ 0.035
	JIS G3461 STB510	≤ 0.25	≤ 0.35	1.00-1.50	≤ 0.035	≤ 0.035

JIS G3461 Seamless Tube JIS G3461 340, JIS G3461 STB 510, JIS G3461 STB 410 mechanical properties

Grade	Tensile Property (N/mm2)	Yield Point or Yield Strength (N/mm2)	Elongation (%)
			OD ≥20 mm	10 mm ≤OD ＜20 mm	OD ＜10 mm
			NO. 11 Sample; NO. 12 Sample	NO. 11 Sample	NO. 11 Sample
			Longitudinal	Transverse	Transverse
STB340	≥ 340	≥ 175	≥ 35	≥ 30	≥ 27
STB410	≥ 410	≥ 255	≥ 25	≥ 20	≥ 17
STB510	≥ 510	≥ 295	≥ 25	≥ 20	≥ 17

  JIS G3461 STB 410 Seamless Tubes required low temperature annealing or normalizing may be performed. It can also be used in petroleum and chemical industries but it can't be used for low temperature services. We supply different grades of carbon steel pipes, regarding JIS G3461 340, JIS G3461 STB 510, JIS G3461 STB 410, etc.

KING STEEL is one of the large manufacturers for high quality JIS G 3461 Standard. Applications of JIS G3461 carbon steel tubes is a kind of pipe used for transferring heat inside and outside pipe. It can widely used as smoke tube, superheater tubes, boiler water tubes, air preheating tubes, accessories. JIS G3461 STB 340 Tubes required low temperature annealing or normalizing may be performed.

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Email: kingsteelpipe@gmail.com