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JIS G3466 Carbon Steel Square For General Structural Purposes

JIS G3466 Carbon Steel Square For General Structural Purposes

JIS G3466 square and rectangular steel pipe for construction Chemical composition Mechanical properties Marking Each square tube having passed the inspection shall be legibly marked with the following items.The order of arranging the items is not specified. However,smaller square tubes may be...

Description

JIS G3466 square and rectangular steel pipe for construction


Chemical composition

Designation of grade
CSi
MnPS
STKR 4000.25 max--0.040 max0.040 max
STKR 4900.18 max0.55 max1.50 max0.040 max0.040 max


Mechanical properties

Designation of grade
Tensile strength N/mm²Yield point or proof stress N/mm²Elongation %(No.5 test piece)
STKR 400400 min245 min

23 min

STKR 490490 min325 min23 min


Marking 

Each square tube having passed the inspection shall be legibly marked with the following items.The order of arranging the items is not specified.

However,smaller square tubes may be bundle together and be marked for each bundle by suitable means.

(1)Designation of grade

(2)Dimensions

(3)Manufacturer's name or its identifying brand

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