About Us

BEIJING SUMMIT STEEL CO., LTD was set up by a group of steel industry insiders, any of whom has been engaged in steel industry for at least 8 years, backed by rich experience of our staff and well established network of resouces all over China, we are confident to set our long time mission as one of the most effective and valueable flat steel suppler in China.

W beam/Thrie beam highway guardrail
W beam/Thrie beam highway guardrail

Category W beam/Thrie beam highway guardrail


W beam/Thrie beam highway guardrail


Detail

W beam/Thrie beam highway guardrail

Description:

Sheet steel are corrugated into W beam or Thrie beam via cold forming process, then going through hot dipped galvanized and further power spray to enhance anti-corrosion, matching with accessories like round post/square post, bolts/nuts, obstruction block, highway guardrail/safety barrier is widely installed on highway/express way to keep the vehicles running inside of road. When inevitable collision occurred, highway guardrails can effectively decelerate the speed of errant vehicles and redirect them back to the road by controlling the exit angles. Additionally, it also makes the highway apparent to avoid running animals to stray into the roads.

 

Manufacturing standard:

China: GB/T31439.1/2, crash testing of safety performance according to JTG B05-01-2013 which refers to and is higher than USA M.A.S.H specification.

China standard/GB guardrails :
GB guardrails is designed and made according to GB/T31439.1 and GB/T31439.2 standards. The crash testing of safety performance according to JTG B05-01-2013 which refers to and is higher than USA M.A.S.H specification.

 

W beam effective length

4000/3000/2000mm*310mm*85mm or customized  

 

Three beam effective length

4000/3000/2000mm*506mm*85mm or customized  

Material

Q235B, S235JR, SS400, A36, Fe410

Base metal nominal thickness

3mm, 4mm or customized

Guardrail round post

Dia114mm*4.5mm *L, Dia140mm* 4.5mm *L,

Guardrail square post

Square 130mm*6.0mm* L

Surface Treatment

Hot dip galvanized

Zinc coating thickness

Average 600g/㎡, 84μm, or customized

Standards

GB/T31439.1; GB/T31439.2;GB/T18226