Torich International Limited
| Payment Terms | T/T L/C |
| Supply Ability | 60000 tons annual |
| Delivery Time | 30-60DAYS |
| Packaging Details | IN BUNDLES |
| Grade | STKR 400 490 |
| Dimensions | Diameter 5-420mm |
| Application | general structure |
| Type | Carbon Structural Steel |
| Standard | JIS |
| Brand Name | Torich |
| Model Number | JIS G 3466 |
| Certification | IS09001 ISO14001 TS16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T L/C | Supply Ability | 60000 tons annual |
| Delivery Time | 30-60DAYS | Packaging Details | IN BUNDLES |
| Grade | STKR 400 490 | Dimensions | Diameter 5-420mm |
| Application | general structure | Type | Carbon Structural Steel |
| Standard | JIS | Brand Name | Torich |
| Model Number | JIS G 3466 | Certification | IS09001 ISO14001 TS16949 |
| Place of Origin | China |
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,Importer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Site Member
Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO... Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO...
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