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.

USA standard/AASHTO M180 guardrail
USA standard/AASHTO M180 guardrail

Category USA standard/AASHTO M180 guardrail


USA standard/AASHTO M180 guardrail


Detail

USA standard/AASHTO M180 guardrail

USA standard/AASHTO M180 series highway guardrails are manufactured

features of high durability and maximum strength to meet all requirements i

AASHTO M180-12 specification.

W beam effective length   

3810/3000mm*310mm*83mm or customized  

Thrie beam effective length  

3810/3000mm*510mm*83mm or customized   

Material

Q355, S355JR, A572 Gr. 50

Base metal nominal thickness

2.67mm (A), 3.43mm (B) or customized

Surface Treatment

Hot dip galvanized as per ASTM A653

 

Zinc coating thickness  

Type I: 550g/㎡,Type II: 1100g/㎡ 
total mass on two sides.

H post

W6*9, H13.5kg/m* L

U post

U178*76*6mm* L, U150*75*5mm* L

Standards

AASHTO M180, ASTM A653