Building Material T2 Bolted Fixing Stair Treads

• Customization: Available
• After-sales Service: 2 Years
• Warranty: 2 Years
• Model NO.: 255/30/100
• Certification: ISO
• Application: Steel Structure Walkway, Foot Pedal, Drain Cover
• Shape: Flat Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel
• Size: 755*245mm
• Surface Treatment: Hot DIP Galvanized/Painted/Untreated
• Certificate: ISO9001:2008
• Type: T1-T4
• Model Number: 253/30/100,303/30/100
• Transport Package: Naked, Steel Belt
• Specification: 255/30/100
• Trademark: Jiuwang
• Origin: Hebei Anping
• HS Code: 7308900000
• Production Capacity: 10000PCS

Product Description

We manufacture different styles of stair ladders that used in family, industry and construction.
Material: Mill steel black and hot dip Galvanizing / and stainless grating
Usage: Ladder, flooring walkway, platform, steel structures, stair tread, well cover, trench cover, sump cover, compound gratings, storage shelves, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
1)There are four kinds of stair treads T1, T2, T3, T4.
T1 Welded fixing and Without nosing
T2 Bolted fixing and without nosing, easy to installation and teardown.
T3 Welded fixing and with checkered plate nosing, can be skid.
T4 Bolted fxing and with checkered plate nosing, easy be installation,
Teardown and can be skid.
2) Material: Mild Steel (Low Carbon Steel) or Stainless Steel
4) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1988
E) Japan: JJS

1.Grating Types:	W--welded steel grating   L-- pressure-locked   C-- socket-welding
2.Bearing bar Pitches:	15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended.
3.Cross bar Pitches:	50, 100mm are recommended.
4.Surface treatment:	G - galvanized       P - painted       U - untreated
5.Grating standard:	China:   YB/T4001.1-2007(YB/T4001.1-1998)         Britain:   BS4592-1:1995         US:      ANSI/NAAMM(MBG531-93)         Australia:  AS1657-1992
6.Marks:	Example: G 325/30/100    G255/40/50