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  • S235JRh square hollow section
  • S235JRh sections

Q390D Seamless Sqaure Hollow Section

  • Steel Standard: GB/T 3094 GB/T1591
  • Rolling Type: Cold Formed SHS,Cold forming finished SHS
  • Sizes: 2*40*40MM--20*400*400MM
  • Length: 1000mm-12000mm
  • Similar Product Name: Cold formed square hollow sections,Cold formed square pipes
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■ Overview
Square hollow sections Q390D in standard GB/T 3094 owned minimum tensile strength at 490Mpa and yield strength at 390Mpa.Low temperature impacting test at minus 20 Deg.C shall be done for these square hollow sections Q390D.Xinsteel stockholder thousands tons different sizes of hot rolled hot formed finished square hollow section S235JRH with seamless type and welded type.
 
■ Full Data
Technical Requirements & Additional Services:
♦ Galvanized coating according to GB/T 13912
♦ Dimension tolerance according to GB/T6728
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime.
 
■ Techicals
 ►Mechnical property for Q390D low alloy structural steel hollow section:

 

Q390D

 

Yield strength (≥Mpa)

390

Tensile strength (Mpa)

490-650


►Chemical composition for Q390D low alloy structural steel hollow section (Heat Analysis Max%)
 

Main chemical elements composition of Q390D

C

Si

Mn

P

S

V

Nb

Ti

Cr

Ni

0.20

0.55

1.00-1.60

0.045

0.045

0.02-0.20

0.015-0.060

0.02-0.20

0.30

0.70

 
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