Symbol of class |
C |
Si |
Mn |
P |
S |
|
STK290 |
- |
- |
- |
0.050 max |
0.050 max |
Mechanical properties |
Tensile strength N/mm2 |
Yield point or proof stress N/mm2 |
Elongation % |
Bendability |
Flattening |
Tensile strength in welded zone N/mm2 |
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|
No.11 and No.12 test pieces |
No.5 test piece |
Bend angle |
Inside radius (D: outside diameter of tube) |
Distance between flattening plates (H) (D: outside diameter of tube) |
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|
Longitudinal direction |
Transverse direction |
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|
Method of manufacture |
Seamless, butt-welding, electric resistance welding and arc welding process |
Seamless, butt-welding, electric resistance welding process |
Seamless, butt-welding, electric resistance welding process |
Arc welding process |
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|
Outside diameter |
Full range |
Full range |
Over 40 mm |
50 mm or under |
Full range |
Over 350 mm |
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|
STK290 |
290 min |
- |
30 min |
25 min |
90° 6D |
2/3D |
290 min |
|
The size of JIS G3444 STK290 steel tube
ERW; outer diameter:21.3-660mm
thickness:6-25mm
LSAW; outer diameter:325-1524mm
thickness:6-50mm
SSAW; outer diameter:219-3200mm
thickness:5-25mm
JIS G3444 STK290 steel tube applications:
Bushing, Axles, Hydraulic Cylinders, Hinges Designed for high strength-close tolerance projects.
Shanghai Katalor Enterprises, as a JIS G3444 STK290 steel tube Manufacturer , can supply JIS G3444 STK290 steel tube. We also can provide JIS G3444 STK290 steel tube machining services, so if you need JIS G3444 STK290 steel tube stock or machining parts , you can also contact katalor !
