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We are steel tube manufacturer,factory in China.We produce black steel tube,galvanized steel tube.Size from 15×15-400×600. 15mm-273mm

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JIS G3466 Steel Pipe

JIS G3466 Steel Pipe


Brief introduction

Leading manufacturer of JIS G3466 stk400 stk490 steel pipe in China,we can offer the variety of JIS G3466 specifications for your choice.

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Detailed parameters

Detail of JIS G3466 Square and Rectangular  Steel Pipe

1.Standard:JIS G3466

2.Grade :STKR 400;STKR 490


Square tube:20*20mm-350*350mm

Rectangular tube:20*30mm-400*200mm

4.Wall Thickness: 1.2mm-12.5mm

5.Length: 5.8m,6m,12mor customized length

6.Surface treatment: Black,Galvanized

7.End:plain end ,threaded both end with one end coupling and one end plastic cap.

8. Applications: structure,water,gas and so on.

9.Chemical Analysis and Mechanical Properties

Table 1. Chemical Composition
Designation of garde Chemical Composition
C Si Mn P S
STKR 400 0.25 max. 0.040 max. 0.040 max.
STKR 490 0.18 max. 0.55 max. 1.50 max. 0.040 max. 0.040 max.
Table 2. Mechanical Properties
Designation of garde
Tensile strength         N/mm²{kgf/mm²} Yield point or proof stress  N/mm²{kgf/mm²} Elongation %                    (No.5 test piece)
STKR 400 400{41}min. 245{25}min. 23 min.
STKR 490 490{50}min. 325{33}min. 23 min.

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