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STB340 G3461 tubes

The JIS G3461 boiler tube Size (mm):

Outer Dimensions: 6.0mm – 168.3mm

Wall Thickness: 1.0mm – 15 mm

Length: max 23000mm

Grades:STB340(STB35),STB410(STB42),STB510(52)

Applications: JIS G3461 steel tube can be widely used as boiler water tube, smoke tube, superheater tube, air preheating tube, accessories for transferring heat inside and outside the pipe.

JIS G3461 Chemical composition

Standard	Grades	Chemical composition
Standard	Grades	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
JIS G3461	STB340	≤0.18	≤0.35	0.30～0.60	≤0.035	≤0.035	/	/	/	/	/
	STB410	≤0.32	≤0.35	0.30～0.80	≤0.035	≤0.035	/	/	/	/	/
	STB510	≤0.25	≤0.35	1.00～1.50	≤0.035	≤0.035	/	/	/	/	/

JIS G3461 mechanical properties

Standard	Grades	Tensile strength (MPa)	Tensile strength (MPa)	Elongation (%)
JIS G3461	STB340	≥340	≥175	≥35
	STB410	≥410	≥255	≥25
	STB510	≥510	≥295	≥25

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TIAN YI is one of the leading China Boiler Tube manufacturers and suppliers, if you want to buy or import best high-quality jis g3461 steel tubes for boiler and heat exchanger professional company, factory, seller, and exporter, or if you are checking steel brands, please feel free to contact us.

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