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JIS G3466 Structural Hollow Section
JIS G 3466: Carbon steel square and rectangular tubes for general structure
JIS G 3466 STKR400 (STKR41) Square and Rectangular Hollow Section
JIS G 3466 STKR490 (STKR50) Square and Rectangular Hollow Section
Application: Square and rectangular tubes, used for civil engineering, architecture and other structures
| Wall Thickness Tolerance: | T < 3mm | +/-0.3mm |
| T ≥ 3mm | +/-10% | |
| Corner dimension(S) | S ≤ 3T | |
Marking: Each of the square and rectangular hollow sections shall be marked with the following information.
a)manufacturer's name b)specification designation c)grade letter d)dimension e)heat number
Inspection and Testing
JIS G 3466 is subject to tensile testing in accordance with JIS Z 2241.
The general matters of inspection shall be in accordance with JIS G 0404.





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