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| Product Name: |
JIS G 3466 Forming Welded Carbon Steel Square Tube
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| Supply Ability: |
50000 tons per year |
| Related proudcts |
structural steel squ, |
| Specifications |
Diameter: 5-420mm Wall thickness: 0.5-50mm Length: 12m max |
| Price Term: |
FOB |
| Port of loading: |
Shanghai |
| Minimum Order |
5 TONS |
| Unit Price: |
Negotiation |
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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:
Forming welded steel tubes
Seamless steel tubes into square
Forming a steel sheet in coil into square section or into one pair of channel section followed by a continuous electric ressistance welding or automatic arc welding process.
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 ***
Yeild point or proof stress ***
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
3mm or over ±10%
Seamless square steel tube
under 4mm ±0.6mm
4mm or over ±15%
http://www.precision-steeltube.com/
http://www.steel-tubes.com/
http://www.chinasteeltubepipe.com/ |
| Company: |
Torich International Co.,Ltd
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| Contact: |
Mr. Richard Shen |
| Address: |
706 Qiling Mansion North Building Yinzhou District, Ningbo China |
| Postcode: |
315100 |
| Tel: |
86--13736164628 |
| Fax: |
86-574-88086983 |
| E-mail: |
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