JIS G3444 STK540 seamless steel pipe tube Introduction: JIS G3444 STK540 seamless steel pipe tube is widely used seamless steel pipe tube products.Seed has a large JIS G3444 STK540 steel pipe stock in China. Seed steel can supply JIS G3444 STK540 steel tube/pipe stock JIS G3444 STK540 seamless steel pipe tube max carbon contents is 0.23%.
JIS G3444 STK540 steel pipes/tubes Chemical Composition
Symbol of class |
C |
Si |
Mn |
P |
S |
|
STK540 |
0.23 max |
0.55 max |
1.50 max |
0.040 max |
0.040 max |
JIS G3444 STK540 steel pipes/tubes Mechanical Properties
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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STK540 |
540 min |
390 min |
20 min |
16 min |
90° 6D |
7/8D |
540 min |
|
JIS G3444 STK540 steel Specifications or Size:
Round bar:
Diameter : 1mm-2000mm
Square bar:
Size: 50mm * 50mm-600mm *600mm
Plate steel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm
Tube/pipe:
Size: OD: 6-219mm WT: 1-35 mm.
Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm
Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
Heat treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Finished goods condition:hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Payment : TT, LC,DP are all ok
Trade Terms : FOB / CFR /CIF
Delivery period: according to the material ,the standard, and the quantity of the contract.
JIS G3444 STK540 steel pipe application can be offered by KATALOR in China ,KATALOR is professional JIS G3444 STK540 steel pipe suppliers and manufacturer ,if you need JIS G3444 STK540 steel pipe price and specification ,please contact us.
