JIS G3444 Structural Tube
Standard: JIS G 3444 Carbon steel tubes for general Structure
Steel grade: STK290, STK400, STK490, STK500, STK540
Out-diameter: 4mm-80mm
Wall thickness: 0.5mm-13mm



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Standard: JIS G 3444 Carbon steel tubes for general Structure
Steel grade: STK290, STK400, STK490, STK500, STK540
Out-diameter: 4mm-80mm
Wall thickness: 0.5mm-13mm



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