GB/T1591 Q345E high strength low alloy structural steel sheet

Oct 22, 2025

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Products Description

 

GB/T1591 high strength low alloy structural steel Q345E,Q345E steel plate,Q345E steel sheet 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.

 

info-440-440

 

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

 

Low alloy steel Q345E hot rolled plate stock

 


Product

Material

Specification(mm)

Pieces

Weight(tons)

Origin

Low alloy steel

Q345E

18*3000*6930

1

2.938

Tianjin

Low alloy steel

Q345E

12*2500*0000

2

4.616

Tianjin

Low alloy steel

Q345E

72*1850*14950

1

15.632

Tianjin

Low alloy steel

Q345E

15*2000*8460

1

1.992

Tianjin

Low alloy steel

Q345E

12.9*2430*11500

2

5.66

Tianjin

Low alloy steel

Q345E

22.6*2380*6200

1

2.618

Tianjin

Low alloy steel

Q345E

22*1530*9470

2

5.004

Tianjin

Low alloy steel

Q345E

14*1940*5600

1

1.194

Tianjin

Low alloy steel

Q345E

12*2400*9810

1

2.218

Tianjin

Low alloy steel

Q345E

12*2400*9000

1

2.035

Tianjin

Low alloy steel

Q345E

12*2400*9600

1

2.17

Tianjin

Low alloy steel

Q345E

12*2400*9100

1

2.057

Tianjin

Low alloy steel

Q345E

18.9*2315*13669

1

4.695

Tianjin

Low alloy steel

Q345E

12.5*2400*11776

3

8.319

Tianjin

Low alloy steel

Q345E

12.7*2401*11910

1

2.851

Tianjin

Low alloy steel

Q345E

14.5*1700*13683

1

2.648

Tianjin

Low alloy steel

Q345E

14.6*2315*13483

2

7.154

Tianjin

Low alloy steel

Q345E

14.5*1700*13483

1

2.609

Tianjin

Low alloy steel

Q345E

16.5*2411*13186

1

4.118

Tianjin

Low alloy steel

Q345E

15*2635*12580

2

7.81

Tianjin

Low alloy steel

Q345E

23*2420*14270

1

6.236

Tianjin

Low alloy steel

Q345E

14*1820*6500

1

1.3

Tianjin

Low alloy steel

Q345E

14*1820*9370

1

1.874

Tianjin

Low alloy steel

Q345E

14*2040*5740

1

1.287

Tianjin

Low alloy steel

Q345E

14*1880*8620

1

1.78

Tianjin

Low alloy steel

Q345E

14*2615*9900

1

2.845

Tianjin

Low alloy steel

Q345E

16*1630*8050

1

1.648

Tianjin

Low alloy steel

Q345E

14*2610*9495

1

2.723

Tianjin

Low alloy steel

Q345E

14*2040*6840

1

1.533

Tianjin

Low alloy steel

Q345E

14*2190*6590

1

1.586

Tianjin

Low alloy steel

Q345E

14*2040*6110

1

1.369

Tianjin

Low alloy steel

Q345E

14*1820*9670

1

1.934

Tianjin

Low alloy steel

Q345E

16*1800*8600

1

1.944

Tianjin

Low alloy steel

Q345E

14*2610*9295

1

2.666

Tianjin

Low alloy steel

Q345E

14*2190*7020

1

1.689

Tianjin

Low alloy steel

Q345E

14*1820*8620

1

1.724

Tianjin

Low alloy steel

Q345E

14*2190*6000

1

1.444

Tianjin

Low alloy steel

Q345E

14*2190*7860

1

1.891

Tianjin

Low alloy steel

Q345E

25*2480*12000

1

5.84

Tianjin

Low alloy steel

Q345E

32*2935*8785

1

6.477

Tianjin

Low alloy steel

Q345E

33*2300*9400

1

5.601

Tianjin

Low alloy steel

Q345E

33*2300*9000

1

5.362

Tianjin

Low alloy steel

Q345E

32*2100*10000

2

10.55

Tianjin

Low alloy steel

Q345EZ25

95*2400*9400

10

168.24

Tianjin

Low alloy steel

Q345E

18*2635*11905

1

4.432

Tianjin

Low alloy steel

Q345E

18*2630*11705

1

4.349

Tianjin

Low alloy steel

Q345E

19*2670*8227

1

3.277

Tianjin

Low alloy steel

Q345E

19*2670*8032

1

3.199

Tianjin

 

info-800-1000