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JIS G3466 Carbon Steel Square and Rectangular Tubes

Date:2017-08-18    keywords:JIS G3466 Carbon Steel Square and Rectangular Tubes

JIS G3466 Carbon steel square and rectangular tubes for general structure.


JIS G3466 STKR400 chemical composition


Grade

C

Si

Mn

P

S

STKR400

≤0.25

-

-

≤0.04

≤0.04

JIS G3466 STKR400  mechanical property

Grade

Yield strength MPa

Tensile strength MPa

Elongation %

STKR400

≥400

≥245

≥23


The tolerances on dimensions are established in accordance with JIS G 3466.

Characteristics   Tolerances  
Outside dimensions of side   (H,B100mm) 1.5mm
H : Longest side   (100mmH,B) 1.5%
B : Shortest side      
Wall thickness(T)   (T3mm) 0.3mm
    (3mmT) 10% in thickness
Unevenness of the flat portions of each side   (H,B100mm) 0.5mm
    (100mmH,B) 0.5%
Squareness of sides   901.5  
Corner dimension(S)   S3T  
Straightness   0.3% in total length  
Length   0, +50mm (Private standard tolerance)
NOTE
1)The outside dimensions are measured across the flats at positions at least 50mm from the end of the HSS.



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