ProductHome > Product > GB/T3091-2008 welded steel pipes for low pressure

GB/T 3091-2008 Q195B welded steel pipes

GB/T 3091-2008 Q195B welded steel pipes include of 0.060-0.12 carbon content, Q195B welded steel pipes’s surface exposed, galvanized, paint, color paint, 3PE,or other anti-corrosion treatment, used in scaffolding pipe, structural pipe, fence / door pipe, oil pipe, water oil or natural gas low pressure fluid pipe , The greenhouse tube, agricultural pipe, pipe equipment, etc., acceptable chemical composition and mechanical properties testing; hydrostatic pressure test, size and visual inspection, and non-destructive testing and other tests.

GB/T 3091-2008 Q195B welded steel pipes

Q195B welded steel pipe Chemical composition

chemical composition of Q195B

Grade

Class

C

Mn

Si

S

P

 

 

no more than

Q195B

....

0.06-0.12

0.25-0.5

0.3

0.05

0.045

GB/T 3091-2008 Q195B welded steel pipes Mechanical properties

mechanical property of Q195B  

Grade

lowder yield

Tensile

Extensibility after

strength Rel/N/MM^2

strength

fracture A/%

no less than

R/N/MM^2

no less than

t<=16mm

        T>16mm

no less than

D<=168.3MM

D>168.3mm

Q195B

195

185

315

15

20

About our GB/T 3091-2008 Q195B welded steel pipeline chemical composition and application,If you have any questions, please do not hesitate to contact us, we will give you detailed answers, we only provide qualified GB/T 3091-2008 Q195B welded steel pipes products to the best of the quality and reasonable prices for our customers, to provide you with the best quality service, please contact us.