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GB/T13793-2008 Q345B welded steel pipe

GB/T13793-2008 Q345B welded steel pipe belongs to the low carbon alloy steel (c <0.2%),Q345B welded steel pipe’s comprehensive performance is good, the low temperature performance is good, the cold stamping performance, the welding performance and the cutting performance is good, the surface may paint black varnish, varnish, antirust oil, hot galvanizing, cold Galvanized, 3PE, etc. Q345B welded steel pipes are widely used in bridges, vehicles, ships, construction, pressure vessels.

GB/T13793-2008 Q345B welded steel pipe

Q345B welded steel pipes Chemical composition

chemical composition of Q345B

Grade

Class

C

Mn

Si

S

P

 

 

no more than

Q345

B

<=0.2

<=1.7

<=0.5

0.035

0.035

GB/T13793-2008 Q345B welded steel pipe Mechanical properties

mechanical property of Q345B

Grade

 yield

Tensile

Elongation after

strength Rel/N/MM^2

strength

fracture A/%

 

R/N/MM^2

 

no less than

Q345B

345

470

18

Q345B welded steel pipe under GB/T13793 standard is BBN Steel mainly steel grade, If you are interested,please feel free to contact us, we can provide Q345B welded steel pipe with high quality and competitive price, to provide you with the most quality service, look forward to cooperating with you, please call.

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