Galvanized Steel fire escape outdoor metal stairs with open grille treads (1600484940007)

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Product Overview

Description







Stair treads


The maximum length of stair step plate(mm):























                         Bearing bar section

Steel grating specification

25*3 25*5 32*5
Bearing bars at 30mm pitch 550 900 1300
Bearing bars at 40mm pitch 450 750 1200

 


 


 


High Quality Galvanized Steel Stair Treads for ladders with Best Factory Price.


We Have Professional Design Team, We Can Produce all kinds of  Stair treads according to your requirements.


 


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Product Description


 





















































Product name 

*Steel grating

Material

*Mild steel (Carbon steel)

*stainless steel 304, SS316

Material standard

*USA:ASTM A36

*UK:BS4360

*Australia:AS3679

*China:Q235

Bearing bar type

*Smooth/flat  bar

*serrated/toothed  bar

*Smooth I bar

*Serrated I bar

Bearing bar thickness *2mm to  10mm, 3mm and 5mm recommended
Bearing bar pitch *12.5-30mm/40mm/50mm/60mm/80mm/90up,30and40mm recommended
Bearing bar specification

*flat bar and serrated bar 20*3,20*5,25*3,25*5,30*3,30*4,30*5,32*3,32*5,35*3,35*5,40*3,40*5,

45*5,50*3,50*5,55*5,60*5,65*5,70*6,75*6,75*8,80*8,90*8,100*8,

120*8,130*8,150*8

*I-section bar 25*5*3,32*5*3,38*5*3,44*5*3,50*5*3,50*7*4,55*7*4,60*7*4,

65*7*4,75*7*4

Cross bar *5*5mm,6*6mm,8*8mm
Cross bar pitch *30mm,38mm,50mm,76mm,100mm,50mm and 100mm recommended
Surface treatment

*Hot dipped galvanized

*Untreated(self-color)

*Painted

HDG standard

*ASTM A123

*BS729

*AS1650

Grating Standard

*AS1657-2013

*BS4592-2006

*ANSI/NAAMM(MBG531-88)


 


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Brief Introduction


   _20211206160702       We Yantai Youhe Steel Structure Co.,Ltd. is a professional manufacturer of steel grating in East of China Yantai city near QINGDAO port. Main products include mild steel Q235, S316,SS304  steel gratings,stair treads,trench cover,handrail stanchions which are widely used in Petrochemical Industry,Oil fields,Boiling paltform,seaport and vessel construction,power plant and so on. They are very popular in Australia, South America, South-east Asia, Europe and so on.


                               Contact Bella:               


                               Mobile Phone:136-9788-6405


                               WeChat:+86-136-9788-6405 (WhatsApp)


                               Web site:www.ytyouhe.com


                        Email: bella  (at)  ytyouhe.com


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Main products


1.Steel Grating (flat bar, serrated bar,  flat I bar, serrated I bar)


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2.Trench Cover, Drainage Cover       


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3.Steel Ladders and Stair Treads      


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4.Ball Joint Railings and Stanchions


 


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Application


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Packaging & Shipping


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Certifications


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1600484940007
0.0116 s.