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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
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of jis g3466 carbon steel square for general structural purposes in China, featured by quality products and low price. If you're going to wholesale durable jis g3466 carbon steel square for general structural purposes made in China, welcome to get pricelist and free sample from our factory.
JIS G3466 square and rectangular steel pipe for construction
Chemical composition
| Designation of grade | C | Si | Mn | P | S |
| STKR 400 | 0.25 max | - | - | 0.040 max | 0.040 max |
| STKR 490 | 0.18 max | 0.55 max | 1.50 max | 0.040 max | 0.040 max |
Mechanical properties
| Designation of grade | Tensile strength N/mm² | Yield point or proof stress N/mm² | Elongation %（No.5 test piece) |
| STKR 400 | 400 min | 245 min | 23 min |
| STKR 490 | 490 min | 325 min | 23 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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