JIS G 3466 Carbon Steel Square , Rectangular Structural Steel Tubing 5mm Diameter

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Detailed Product Description

Secondary Or Not:	Is Secondary	Application:	Structure Pipe
Technique:	Cold Drawn	Surface Treatment:	Oil

JIS G 3466 Carbon Steel Square and rectangle tubes for general structure

Application :for general structural purposes

Standard JIS G 3466

Diameter 5-420mm

Wall thickness 0.5-50mm

Length 12m max

Produce method:

Forming welded steel tubes
Seamless steel tubes into square
Forming a steel sheet in coil into square section or into one pair of channel section followed by a continuous electric ressistance welding or automatic arc welding process.

MECHANICAL PROPERTIES min
Steel grade	Tensile strength Mpa	Yeild point or proof stress Mpa	Elongation %

STKR 400	400	245	23
STKR 490	490	325	23

Dimensional tolerance
Specified item and dimension		Dimensional tolerance
length of side	100mm or under	±1.5mm
	over 100mm	±1.5%
Unvenness of flat plate portions	side length 100mm or under	0.5mm max
	side length over 100mm	within 0.5% of side length
Angularity made by adjacent flat plate portions		±1.5°
Dimension at corner:s		3t max
Length		+ not specified 0
Un-straightness		Within 0.3%
Wall thickness :t	Square steel tube manufacture by welding	under 3 mm ±0.3mm 3mm or over ±10%
	Seamless square steel tube	under 4mm ±0.6mm 4mm or over ±15%

Contact Details

Torich International Limited

Contact Person: Mr. Richard

Tel: 86-574-88086983

Fax: 86-574-88086983

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