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Home > Products > Steel Plate > Hight Strength Low Alloy Steel
Q690D steel plate
Q690D steel plate
Q690D steel plate
Q690D steel plate
Q690D steel plate
Q690D steel plate
Q690D steel plate
Q690D steel plate

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.
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Gnee steel,steel supply from sky to sea are available,global reachable;
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Email : sale@gneesteel.com
Mobile: +86 15824687445 kelly
Tel: +86 372-5055135
Address: No. 4-1114,Beichen Building,Beicang Town,Beichen District Tianjin,China.
Chemical Composition Mechanical Property
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
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sale@gneesteel.com
GNEE Steel was founded in 2008 with a registered capital of 5 million yuan. After more than ten years of ups and downs, GNEE Steel has grown into a comprehensive steel supply chain enterprise. It has 8 subsidiaries, located in Anyang, Tianjin, Hong Kong, Zhengzhou, Singapore and other countries and regions in China, with more than 200 employees, and its influence has reached all over the world.
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Address: No. 4-1114,Beichen Building,Beicang Town,Beichen District Tianjin,China.
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