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JIS G3466 Carbon Steel Square for general structural purposes.

Publisher:TianchengTime:2018-07-08Number:70

JIS G3466 Carbon Steel Square for general structural purposes.

JIS G3466 Carbon Steel Square pipe is used for civil engineering architecture and other structure buidings. Manufacture method can be forming welded steel pipes(electric resistance welding. forging welding or automatic arc welding) or seamless pipes into shape of square section. JIS G3466 Carbon Steel Square pipe shall be manufactured with no heat treated method.

Chemical Composition:

Designation of grade

Chemical 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 Property:

Designation of grade




Tensile strength

N/㎟{kgf/㎟}

Yield point or proof stress

N/㎟{kgf/㎟}

Elongation %

(No.5 test piece)

STKR 400400 {41} min.245 {25} min.23 min.
STKR 490490 {50} min.325 {33} min.23 min.

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