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Q345E hot rolled steel sheet
Q345E hot rolled steel sheet
Q345E hot rolled steel sheet
Q345E hot rolled steel sheet

Q345E hot rolled steel sheet

GB/T1591 high strength low alloy structural steel grade Q345E owned minimum yield strength at 345Mpa and tensile strength above 470Mpa.When rolling steel plate Q345E,the impacting test shall be done under low temperature at minus 40 centigrade
Q345E hot rolled steel sheet information

Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength is 470-630 Mpa, and yield strength is 345 MPa, it has better properties than Q235. According to GB/T 1591 – 2008, Q345 material has 5 quality grades: Q345A, Q345B, Q345C, Q345D and Q345E.

Q345 steel has good weldability, cold & hot workability and corrosion resistance. Widely used in bridges, ships, boilers, pressure vessels, petroleum storage tanks, lifting transport machinery and other high-load welded structural parts.

Q345E hot rolled steel sheet Chemical composition

Mechnical property for Q345E low alloy structural steel:

Thickness (mm)
Q345E ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 345 325 295 275
Tensile strength (Mpa) 470-630

Chemical composition for Q345E low alloy structural steel (Heat Analysis Max%)
 
Main chemical elements composition of Q345E
C Si Mn P S V Nb Ti Al (min.)
0.18 0.55 1.00-1.60 0.025 0.025 0.02-0.15 0.015-0.060 0.02-0.20 0.015

Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 

FAQ
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
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