Q690D steel plate
Q690D steel plate
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- Commodity name: Q690D steel plate
Q690D High strength welded structural steel plate used for large ships, Bridges, power plant equipment, medium and high pressure boilers, high pressure vessels, locomotive vehicles, hoisting machinery, mining machinery and other large welding structures.
Chemical Composition
Grade
Chemical requirement or element Max %
C
Si
Mn
P
S
Cu
Cr
Ni
Mo
B
V
Nb
Ti
Q690D
0.2
0.8
1.7
0.025
0.015
0.5
1.5
2
0.7
0.005
0.12
0.06
0.05
Mechanical Property
Q690 Steel Mechanical Properties
Q690 Yield Strength (≥N/mm2); Thickness or Dia. d (mm) Standard Steel Grade Quality d≤16 16<d≤40 40<d≤63 63<d≤80 GB/T 1591 – 2008 Q690 C, D, E 690 670 660 640 GB/T 1591 – 2018 Q690M C, D, E 690 680 670 650 Q690 Tensile Strength (N/mm2); d (mm) Elongation Standard Steel Grade Quality d≤40 40<d≤63 63<d≤80 % GB/T 1591 – 2008 Q690 C, D, E 770-940 750-920 730-900 ≥14 GB/T 1591 – 2018 Q690M C, D, E 770-940 750-920 730-900 ≥14 Key words:- Q690D steel plate
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To: Tianjin Bohai Metal Company
Tianjin Bohai Metal
Tel : +86 0635 6666186
Fax :+86 0635 6666186
E-mail : bhteddy@cnbhgt.com
E-mail : bhtina@cnbhgt.com
E-mail : bholia@cnbhgt.com
Add : Dongchangfu District, Liaocheng City, Shandong Province