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JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section

JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section

Brand Name: Torich
Model Number: JIS G 3466
MOQ: 5tons
Price: NEGOTIATION
Payment Terms: L/C, T/T
Supply Ability: 60000 tons annual
Detail Information
Place of Origin:
China
Certification:
IS09001 ISO14001 TS16949
Grade:
STKR 400 490
Dimensions:
Diameter 5-420mm
Application:
General Structure
Type:
Carbon Structural Steel
Standard:
JIS
Packaging Details:
IN BUNDLES
Supply Ability:
60000 tons annual
Highlight:

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:

  1. Forming welded steel tubes 
  2. Seamless steel tubes into square
  3. 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 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
3mm or over ±10%

Seamless square steel tube

under 4mm ±0.6mm
4mm or over ±15%

 

 

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

 

 

JIS G 3466 Forming Welded Carbon Steel Square Tubes for General Structure JIS G 3466 Forming Welded Carbon Steel Square Tubes for General StructureJIS G 3466 Forming Welded Carbon Steel Square Tubes for General Structure JIS G 3466 Forming Welded Carbon Steel Square Tubes for General Structure