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  • Stk540 steel tube
  • stk540 seamless steel pipe

STK540 HOLLOW SECTION

  • Steel Standard: JIS G3466 JIS G3444
  • Rolling Type: Hot formed,Cold formed
  • Wall Thickness * OD: 2*20MM--25*1016MM
  • Length: 1000mm-15000mm
  • Similar Product Name: Welded steel tubes,square hollow sections,rectangular hollow sections
  • Thrid Party Inspection: SGS,VELOSI,TUV,ABS,LR,BV,CCS,GL,KR,NK,RINA
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■ Overview
High tensile structural steel hollow sections and tubes STK540 in Japanese steel specification JIS G3444 owned minimum yield strength at 395Mpa and tensile strength above 540Mpa.There are two types for STK540 hollow sections with welded and seamless in our stock warehouse.
■ Full Data
Technical Requirements & Additional Services:
♦ Galvanized coating according to JIS G3302
♦ Dimension tolerance according to JIS G0321,JIS G3466
♦ Steel materials tension test comply to JIS Z2241
♦ Issued Orginal Mill test certificate under 3.1/3.2 FORMAT
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
 
■ Techicals

►Mechnical property forSTK540 structural steel tube:

STK540

Yield strength (≥Mpa)

390

Tensile strength (≥Mpa)

540


►Chemical composition for STK540 structural steel tube (Heat Analysis Max%)

Main chemical elements composition of STK540

C

Si

Mn

P

S

0.23

0.35

1.50

0.040

0.040

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