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GALVANIZED INDUSTRIAL STEEL STRUCTURE STAIR TREAD JT7

  • Stair tread type JT7
  • Nosing Perforated Plate Nosing
  • Fixing Welding fixing
  • Brand Longta
  • Product origin China/People’s Republic of China
  • Certification CE CERTIFICATE, ISO9001-2000, 14001 CERTIFICATE, 45001 CERTIFICATE, GOST CERTIFICATE
  • Manufacturing standard YB/T4001-2019, NAMM-MBG531,EN1090, BS4592, AS1657
  • STEEL GRADE Q235, Q345,ASTM A36, S235, S275, SS400, SS304, SS316
  • GALVANIZATION STANARD ASTM A123, ISO1461, GB/T13912

Applications

Application:Longta stair tread is made of steel grating, and widely used in all steel ladder.

Application area:Light chemical industry, mining industry, heavy machinery, petrochemical industry, textile chemical industry, refinery, energy industry, port terminal, offshore engineering, all the Oil and Gas industry

Product advantages

(1) Featuring easy installation and simple maintenance
(2)Good ventilation, heat dissipation, explosion-proof and skid proof performance
(3)High strength, light structure and durability of the stepping plate;                                   
(4)Durable and beautiful appearance, surface gloss beautiful;

Why choose us

(1) Strong production capacity:with 12 forging machines and 2 production bases in Ningbo and Hebei, our monthly output is over 4000 tons.
(2) Long history and rich experience. Our company is one of the earliest steel grating manufacturer in China, which gained rich experience in production, management and quality control, we used to be No.1 exporter to USA market in 2009.
(3) Convenient geographic location, near Ningbo and Tianjin port.
(4) Various models and professional services.
(5) Our gratings are accredited to international standards and have been exported to many nations and regions.

Technical parameters

Typical height from 20mm to 80mm
Typical thickness 3mm, 3.5mm, 4mm, 4.5mm, 4.75mm, 5mm, 6mm, 8mm, 10mm
Mesh 30x100, 40x100, 30x50, 40x50, 34.3x38, 34.3x100,25x100,  35x100, 41x100
Typical models JG253/30/100FU, JG253/30/100SU, JG255/30/100FU, JG255/30/100SU
JG325/30/10FU, JG325/30/100SU, JG385/30/100FU, JG385/30/100SU
JG405/30/100FU, JG405/30/100SU, JG255/40/100FU, JG255/40/100SU
JG385/40/100SU, JG505/40/100SU, JG303/34.3/38SSU, JG253/25/100SU
 Size any sizes
Typical sizes 1000x245mm, 1000x275mm, 1000x305mm 
Finish mill finish, hot dip galvanized, powder coating
Loading the grating loading depends on the grating model and the span size, if you need loading capacity for specific model loading please kindly contact us
Drawing drawing service is available
Package standard export package in steel belt
Delivery time 7-20 days depends on qty and type

FAQ

Q: What is the main stair tread model you promote?
A: Our main model is the JT7 perforated nose edge steel grating stair tread.

Q: How is the tread edge designed?
A: Perforated Plate Nosing is used to enhance the anti-slip and drainage capabilities.

Q: What is the installation method?
A: Welding Fixing is supported to ensure a stable and durable structure.

Q: Does the product meet international safety standards?
A: It has passed CE, ISO9001, ISO14001, ISO45001, GOST and other international certifications.

Q: What are the manufacturing standards?
A: It complies with China YB/T4001-2019, US NAMM-MBG531, European EN1090/BS4592, Australian AS1657 and other standards.

Q: What grades of steel materials are available?
A: We provide Q235/Q345 (Chinese standard), ASTM A36 (American standard), S235/S275 (European standard), SS400/SS304/SS316 (Japanese standard) and other materials.

Q: What are the hot-dip galvanizing standards?
A: We implement ASTM A123 (American standard), ISO1461 (international), GB/T13912 (national standard) galvanizing specifications.