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Brand Name : TORICH
Model Number : JIS G 3466
Certification : ISO 9001 ISO14001 TS 16949 DNV LR SON
Place of Origin : China
MOQ : 5 TONS
Price : Negotiation
Supply Ability : 50000 tons per year
Delivery Time : 35-60 days
Packaging Details : oil protection in bundles or as per requests
Material : Carbon steel
Steel Grade : STKR 400,STKR490
Standard : JIS G 3466
Shape : Square and rectangle
Application : For general structural purposes
Relevant standard : KS D 3568 ASTM A500 BS EN 10025
JIS G 3466 Carbon Steel Square and rectangle tubes for general structure
Standard JIS G 3466
Diameter 5-420mm
Wall thickness 0.5-50mm
Length 12m max
Application :for general structural purposes
Produce method:
| CHEMICAL COMPOSITION % max | |||||
| Steel grade | C | Si | Mn | P | S |
| STKR 400 | 0.25 | - | - | 0.04 | 0.04 |
| STKR 490 | 0.18 | 0.55 | 1.5 | 0.04 | 0.04 |
| MECHANICAL PROPERTIES min | |||
| Steel grade | Tensile strength Mpa | Yeild point or proof stress Mpa | Elongation % |
| STKR 400 | 400 | 245 | 23 |
| STKR 490 | 490 | 325 | 23 |
| Dimensional tolerance | ||
| Specified item and dimension | Dimensional tolerance | |
| length of side | 100mm or under | ±1.5mm |
| over 100mm | ±1.5% | |
| Unvenness of flat plate portions | side length 100mm or under | 0.5mm max |
| side length over 100mm | within 0.5% of side length | |
| Angularity made by adjacent flat plate portions
| ±1.5° | |
| Dimension at corner:s | 3t max | |
| Length | + not specified 0 | |
| Un-straightness | Within 0.3% | |
| Wall thickness :t | Square steel tube manufacture by welding | under 3 mm ±0.3mm |
| Seamless square steel tube | under 4mm ±0.6mm | |

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JIS G 3466 Carbon Steel Square , Rectangular Structural Steel Tubing 5mm Diameter Images |