TORICH INTERNATIONAL LIMITED
| Grade | STKR 400 490 |
| Dimensions | Diameter 5-420mm |
| Application | general structure |
| Type | Carbon Structural Steel |
| Standard | JIS G3466 |
| Brand Name | Torich |
| Model Number | JIS G3466 |
| Certification | IS09001 ISO14001 TS16949 |
| Place of Origin | China |
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Product Specification
| Grade | STKR 400 490 | Dimensions | Diameter 5-420mm |
| Application | general structure | Type | Carbon Structural Steel |
| Standard | JIS G3466 | Brand Name | Torich |
| Model Number | JIS G3466 | Certification | IS09001 ISO14001 TS16949 |
| Place of Origin | China | ||
| High Light | STKR 400 Square Hollow Section ，STKR490 Galvanized Square Hollow Section ，Square Hollow Section 40x40x2.5 | ||
JIS G 3466 SS400 STKR 400 STKR490 galvanized square hollow section 40x40x2.5
Special shape : Square and retangle shape seamless steel tubes
JIS G 3466 Carbon Steel Square and Rectangle tubes for general structure
Standard JIS G 3466
Deminsion 420mm*420mm upon requests
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 | |
More: Torich JIS G3444 3466 Standard STK400 STKR 400 STKR490 Square Steel Pipe 20x20x2 used as table leg Square and rectangle Weight:
W=0.0157t(A+B-3.287t)
Coating: Hot dip zinc coating
Electrolytic zinc coating
Hot dip aluminium -coated
Hot dip zinc-5% aluminium alloy-coated
Hot dip 55% aluminium alloy coated
End: plain or charmfering
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
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