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GB/T 16270 Q690D steel price

GB/T 16270 Q690D steel price
  • Material: Carbon and alloy steel
  • Desprition: GB/T 16270 Q690D steel belongs to high-strength welded structural steel. Where Q represents the yield strength, Q690D structure steel plate can be called low temperature resistant high strength steel with a yield strength of 690Mpa, and D represents the g
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Product Description:

 

GB/T 16270 Q690D steel belongs to high-strength welded structural steel.

Where Q represents the yield strength, Q690D structure steel plate can be called low temperature resistant high strength steel with a yield strength of 690Mpa, and D represents the grade of the steel plate, The impact of Grade D steel plate is ﹣20 ° C.

Q690D structure steel plate chemical composition:

C

Si

Mn

P

S

Nb

V

Ti

0.18

0.60

2.00

0.030

0.025

0.11

0.12

0.20

Cr

Ni

Cu

N

Mo

B

Als min

 

1.00

0.80

0.80

0.015

0.30

0.004

0.015

 

Q690D structure steel plate mechanical property:

Grade

Property

Impact test

 

Q690D

Yield Mpa (Min)

Tensile(Mpa)

Elongation

Min J

Thickness (mm)

Thickness (mm)

Degree

50

50-100

100-150

50

50-100

100-150

%

0

-20

-40

-60

690

650

630

770-940

710-900

14

 

47

 

 

Q690D structure steel plate application:
Q690D structure steel plate is mainly used mechanical device and other structural elements and so on drilling machine, power shovel, electricity drive wheel counter- mine trolley, mineral product automobile, excavator, car loader.

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