Quick Details:
Standard: JIS G3466
Steel grade: STKR400, STKR490
Out-diameter: 4mm-80mm
Wall thickness: 0.5mm-13mm
Application: For general structure
Technology: Cold-drawn
Chemical Composition
Steel GradeChemical Composition %
CSiMnPS
STKR 4000.25 max.--0.040 max.0.040 max.
STKR 4900.18 max.0.55 max.1.50 max.0.040 max.0.040 max.
Mechanical properties
Symbol of gradeTensile strength N/mm2Yield point or proof stress N/mm2Elongation %
Tensile test pieceTest direction
Test piece No.5Tube axis direction
STKR400400 min245 min23 min
STKR490490 min325 min23 min
NOTE: 1N/mm2=1Mpa
JINHANG is one of the leading China Small-diameter seamless steel pipe manufacturers and suppliers, We focus on small precision seamless steel tube R&D manufacturing. If you want to buy or import best high-quality seamless steel pipe from professional factory, Please don't hesitate to contact us.Structural Tube quotation
website:http://www.jinhangsteeltube.com/structural-tube/
Standard: JIS G3466
Steel grade: STKR400, STKR490
Out-diameter: 4mm-80mm
Wall thickness: 0.5mm-13mm
Application: For general structure
Technology: Cold-drawn
Chemical Composition
Steel GradeChemical Composition %
CSiMnPS
STKR 4000.25 max.--0.040 max.0.040 max.
STKR 4900.18 max.0.55 max.1.50 max.0.040 max.0.040 max.
Mechanical properties
Symbol of gradeTensile strength N/mm2Yield point or proof stress N/mm2Elongation %
Tensile test pieceTest direction
Test piece No.5Tube axis direction
STKR400400 min245 min23 min
STKR490490 min325 min23 min
NOTE: 1N/mm2=1Mpa
JINHANG is one of the leading China Small-diameter seamless steel pipe manufacturers and suppliers, We focus on small precision seamless steel tube R&D manufacturing. If you want to buy or import best high-quality seamless steel pipe from professional factory, Please don't hesitate to contact us.Structural Tube quotation
website:http://www.jinhangsteeltube.com/structural-tube/