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You are here : section steel--Katalor steel > Square hollow section > 正文JIS G3466 STKR490 (STKR50) SQUARE HOLLOW SECTION, SQUARE TUBE,SQUARE PIPE

JIS G3466 STKR490 (STKR50) SQUARE HOLLOW SECTION, SQUARE TUBE,SQUARE PIPE

JIS G3466 STKR490 (STKR50) SQUARE HOLLOW SECTION, SQUARE TUBE,SQUARE PIPE

JIS G3466 STKR490 (STKR50) Square Hollow Section Applications: construction structure, machinery making, container, hall structure, offshore oil field, sea trestle, motorcar cassis, airport structure, shipbuilding, automobile axle pipe and so on. JIS G3466 STKR490 (STKR50) Square Tube production lines make full-sizes of square tubes and rectangular tubes: 20x20mm-500x500mm, 20x30mm-400x600mm, Thickness:1.5mm-30.0mm,over 1000 kinds of specifications.

JIS G3466 STKR490 (STKR50) Square Tube Chemical Composition Analysis:

Grade	C	Si	Mn	P	S
JIS G3466 STKR490(STKR50)	0.18 max	0.55 max	1.50 max	0.040 max	0.040 max

JIS G3466 STKR490 (STKR50) Square Pipe Mechanical Properties:

Grade	Tensile strength N/ mm²	Yield stress N/ mm²	Elongation %
			No. 5 test piece
JIS G3466 STKR490(STKR50)	490 min	325 min	23 min

JIS G3466 STKR490 (STKR50) Square Hollow Section Appearance:

G3466 STKR490 (STKR50) Square Tube shall be free from defects in practical use.
The surface finishing of JIS G3466 STKR490 (STKR50) Square Pipe, if particularly required by the purchaser, shall be agreed upon between the purchaser and the manufacturer.

JIS G3466 STKR490 (STKR50) Square Hollow Section Method of Manufacture:

STKR490 (STKR50) Square Tube shall be manufactured by forming STKR490 (STKR50) welded steel tubes or seamless steel tube in to square section, or manufactured by forming a steel sheet in coil into square section or into one pair of channel section followed by a continuous electric resistance welding or automatic arc welding process.
JIS G3466 STKR490 (STKR50) Square Pipe shall be furnished as manufactured condition and, as a rule, not heat-treated.

Shanghai Katalor can supply JIS G3466 STKR490 (STKR50) Square Hollow Section in many sizes, if you have any needs, please contact us.