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JIS G3466 Carbon Steel Square And Rectangular Tubes For General Structure
JIS G3466 Standard specified that the tubes are used for engineering, architecture and other structures. There are two grades in this specification, STKR400 and STKR490. Welcome to visit our web!
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of jis g3466 carbon steel square and rectangular tubes for general structure in China, featured by quality products and low price. If you're going to wholesale durable jis g3466 carbon steel square and rectangular tubes for general structure made in China, welcome to get pricelist and free sample from our factory.
JIS G3466 Carbon Steel Square And Rectangular Tubes For General Structure
The tubes under JIS G3466 shall be manufactured either by forming the welded steel tubes (electric resistance welded, forge welded or automatic arc welded) or seamless steel tubes into square shape, or forming steel strips into square cross-sectioned tubes or into a pair of channel sections and then welding them together continuously by electric resistance welding or automatic arc welding. It shall be supplied as manufactured, and shall not be heat treated expect for special cases. Concurrently, the tubes may be manufactured using coated steel sheet or coated steel strip, if so requested by the purchaser. In the meanwhile, unless otherwise specified it shall be furnished with plane ends. If the purchaser specifies bevel end finishing, the shape pf bevel end shall be as agreed between the purchaser and the manufacture.

Grade of JIS G3466 standard
STKR400, STKR490
Chemical composition and mechanical properties
Grade | C | Si | Mn | P & S | Tensile strength | Yield strength | Elongation % |
STKR400 | ≤0.25 | - | - | ≤0.040 | ≥400 | ≥245 | ≥23 |
STKR490 | ≤0.18 | ≤0.55 | ≤1.50 | ≤0.040 | ≥490 | ≥325 | ≥23 |
Packing for JIS G3466 carbon steel square and rectangular tubes for general structure
A) In bundles with steel strip
B) Plastic woven bag for each bundle
Transportation: By container vessel or bulk carriers

Surface of JIS G3466 carbon steel square and rectangular tubes for general structure
A) Bare without painting
B) varnish painting, black painting
C) Hot dipped galvanized
D) Pre-galvanized
Application for JIS G3466 carbon steel square and rectangular tubes for general structure
Square and rectangular pipe is widely used in agriculture, industry, architecture, infrastructural facility and general engineering, including columns and purlins, material storage racks, mine roof support system, pallets, pipe racks, conveyors,airport terminal buildings, bridges, bus stands, signage supporting structures, railway platforms, foot over bridges, automobile chassis, greenhouse structures, truck and bus body members, hoarding structures, amusement park, exhibition stalls, scaffoldings, furniture. Square and rectangular pipe can also be used in a variety of brackets, frames, fitness equipment and so on.
Visual Inspection: In order to ensure high quality, our steel pipes should be tested before shipment.


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