ERW Seamless WT24mm ASTM 500 Rectangle Steel Tube
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 5tons | Price : | NEGOTIATION |
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Packaging Details : | IN BUNDLES | Delivery Time : | 30-60DAYS |
Payment Terms : | L/C, T/T | Supply Ability : | 60000 tons annual |
Place of Origin: | China | Brand Name: | Torich |
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Certification: | IS09001 ISO14001 TS16949 | Model Number: | JIS G 3466 |
Detail Information |
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Grade: | STKR 400 490 | Dimensions: | Diameter 5-420mm |
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Application: | General Structure | Type: | Carbon Structural Steel |
Standard: | JIS | ||
High Light: | STKR490 Square Hollow Section,JIS G3466 Square Hollow Section,40x40x2.5 Square Hollow Section |
Product Description
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 |
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Steel Grade |
Tensile strength Mpa |
Yeild point or proof stress Mpa |
Elongation % |
STKR 400 |
400 |
245 |
23 |
STKR 490 |
490 |
325 |
23 |
Dimensional tolerance |
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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
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