Steel Grate Stair Steel Ladder/ Serrated Surface Stair Tread

• Customization: Available
• Structure: Steel Grate Stair
• Bench: Single Stair
• Model NO.: T1, T2, T3, T4, T5, T6
• Type: Industrial Steel Stair
• Usage: Outdoor, industrial Stairs
• Stair Type: Straight Stair
• Model Number: G325/30/100/1000X275mm
• Steel Material Grade: ASTM A36, A1011, S400, Q235
• Grating Standard: Yansi/Naamm(Mbg531-88),B/T 4001.1-2007,BS4592-1987
• Grating Specification: 19-W-4, 15-W-2, 30/100, 40/50, 60/100 and All
• Certification: CE ,ISO 9001, SGS
• Surface Treatment: Galvanized, Painting, Self-Colour or Untreated
• Steel Material: Low Carbon Steel, Mild Steel, Stainless Steel
• Steel Bar Type: Plain Bar , Serrated Bar , I-Shape
• Market: Europe, Australia, MID-East, Africa, Asia etc
• Transport Package: Standard Pallet
• Specification: Length: 500-1100mm Width: 95-275mm
• Trademark: Lianhe
• Origin: Yantai City Shandong Pr
• HS Code: 7308900000
• Production Capacity: 10000000pieces/Year

Product Description

Yantai united steel structure co.,ltd  is located in Yantai Economic and Technological Development Zone. It is a joint-stock limited company, specializing in the  production of steel grating , steel grate and frame , trench grate , kerb grate ,storm pits cover , access cover grate , manhole covers.side entry grate , steel stair , steel ball stanchion  , steel railing , aluminium grating  and other light steel structure products The company has a complete computer-aided design system that can provide users with perfect steel grating layout design. The processing technology is superb and the product quality is excellent.


Stair tread is fabricated by grating, nosing plate and side plate.

Main type:                 1. Checkered plate nosing , Bolted fixing   anti-slip
                                  2. Checkered plate nosing, Welded fixing  anti-slip
                                  3. Without nosing,              Bolted fixing
                                  4. Without nosing,              Welded fixing 

3. serrated treads grating   specification

Pitch of Bearing bar	Cross-bar Pitch	Specification of bearing bar load(width×thickness)
		32×5	40×5	45×5	50×5	55×5	60×5
30	100	G325/30/100	G405/30/100	G455/30/100	G505/30/100	G555/30/100	G605/30/100
	50	G325/30/50	G405/30/50	G455/30/50	G505/30/50	G555/30/50	G605/30/50
40	100	G325/40/100	G405/40/100	G455/40/100	G505/40/100	G555/40/100	G605/40/100
	50	G325/40/50	G405/40/50	G455/40/50	G505/40/50	G555/40/50	G605/40/50
60	50	G325/60/50	G405/60/50	G455/60/50	G505/60/50	G555/60/50	G605/60/50

 
Max. Stair treads lengths
 

Steel grating specification Bearing bar size	25*3	25*5	32*5
Bearing bar pitch30mm	550	900	1300
Bearing bar pitch 40mm	450	750	1200

 
Recommend stair tread widths
 

T1,T2,T3,T4 Bearing bar pitch 30mm	95	125	155	185	215	245	275
T1,T2,T3,T4 Bearing bar pitch 40mm		125	165		205	245	285
		115	155		195	235	275
Fixing hole centers	45		75		100		150

 

 

.Certificate:


.FAQ:
Q: How can i get the price?
A: We usually quote within 24 hours after we get your inquiry(Except weekend and holidays). 

Q: Can I buy samples placing orders?
A: Yes. 

Q: What is your lead time?
A: It depends on the order quantity and the season you place the order.Usually we can ship within 15 days for small quantity,and about 30 days for large quantity.

Q: What is your payment term?
A: This is negotiable. Usually T/T, 30% as deposit, and 70% before delivery.or 100%LC AT SIGHT .

Q: What is the shipping method?
A: It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect).Please confirm with us before placing orders.