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  • S235JRh square hollow section
  • S235JRh sections

Q345E 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
Low temperature Q345E square hollow sections in standard GB/T3094 mainly used in all types of buildings,highway guardrails and signage,support columns,trusses,bridges,heavy equipment,storage systems and exercise equipments.The square tubes and pipes Q345E shall be done minus 40 Deg.C impacting test when supplying.
■ 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 Q345E low alloy structural steel hollow section:

Q345E

 

Yield strength (≥Mpa)

345

Tensile strength (Mpa)

470-630


►Chemical composition for Q345E low alloy structural steel hollow section (Heat Analysis Max%)

Main chemical elements composition of Q345E

C

Si

Mn

P

S

V

Nb

Ti

0.20

0.55

1.00-1.60

0.045

0.045

0.02-0.15

0.015-0.060

0.02-0.20

 

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