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GB/T13793-2008 Q235C welded steel pipe

GB/T13793-2008 Q235C welded steel pipe use of cold-rolled process, Q235C welded steel pipe’s surface can be painted black paint, transparent oil, hot dip galvanized, 3PE, epoxy paint, BE, PE,Q235C welded steel pipe mainly used in machinery manufacturing, construction, metallurgical industry, agricultural greenhouse, automotive industry, construction, railway, highway guardrail, steel structure,good mechanical properties and mechanical properties.

GB/T13793-2008 Q235C welded steel pipe

Q235C welded steel pipe Chemical composition

chemical composition of Q235C

Grade

Class

C

Mn

Si

S

P

 

 

no more than

Q235

C

<=0.18

0.35-0.8

0.3

0.04

0.04

GB/T13793-2008 Q235C welded steel pipe Mechanical properties

mechanical property of Q235C

Grade

 yield

Tensile

Elongation after

strength Rel/N/MM^2

strength

fracture A/%

 

R/N/MM^2

 

no less than

Q235C

235

375

20

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