Hot DIP Galvanized Mill Finish Plain Type or Serrated Type Steel Walking Bar Grating with CE Approval for Industry Flooring and Mezzanine Grating
China Hot DIP Galvanized Mill Finish Plain Type or Serrated Type Steel Walking Bar Grating with CE Approval for Industry Flooring and Mezzanine Grating, Find details about China Grating, Steel Grating from Hot DIP Galvanized Mill Finish Plain Type or Serrated Type Steel Walking Bar Grating with CE Approval for Industry Flooring and Mezzanine Grating
Hot Dip Galvanized Mill Finish Plain or Serrated Steel Walking Bar Grating with CE Approval For Industry Flooring and Mezzanine Graing
Pressure Welded bar grating is forge-welded, a system in which NJMM was a pioneer. In this process the bearing bars and cross rods are permanently forged together by heat and pressure into a single unit construction, resulting in greater strength per pound than mechanical assembly methods.
The twisted cross rods provide a non-slip walking surface. For applications where extremely slippery conditions prevail, Serrated bar grating offers a superior grip surface to the load bearing bars.
Bar grating types are specified by bearing bar spacing followed by cross rod spacing.
| Item No. | Bearing bar pitch | Cross bar pitch | specification of bearing bar(width*thickness) | |||||
| 20*3 | 25*3 | 32*3 | 40*3 | 20*5 | 25*5 | |||
| 1 | 30 | 100 | JG203/30/100 | JG253/30/100 | JG323/30/100 | JG403/30/100 | JG205/30/100 | JG255/30/100 |
| 50 | JG203/30/50 | JG253/30/50 | JG323/30/50 | JG403/30/50 | JG205/30/50 | JG255/30/50 | ||
| 2 | 40 | 100 | JG203/40/100 | JG253/40/100 | JG323/40/100 | JG403/40/100 | JG205/40/100 | JG255/40/100 |
| 50 | JG203/40/50 | JG253/40/50 | JG323/40/50 | JG403/40/50 | JG205/40/50 | JG255/40/50 | ||
| 3 | 60 | 50 | JG203/60/50 | JG253/60/50 | JG323/60/50 | JG403/60/50 | JG205/60/50 | JG255/60/50 |
| Standard | 1.China: YB/T4001-1998; |
| 2.USA:ANSI/NAAMM(MBG531-88) | |
| 3.UK:BS4592-1987 | |
| 4.Australia:AS1657-1985; | |
| 5.Japan:JIS | |
| Material | Q235,A36,SS304 |
| Bearing bar | 1.plain&serrated type:20x3 to 100x3mm |
| 2.I-section type:(25,32,38,40,50)x5x3; | |
| (50,55,60,65,70,75)x7x4,etc | |
| Surface treatment | untreated, painting or hot dip galvanizing |
| Grating type | 1.Plain style steel grating; |
| 2.serrated style steel grating; | |
| 3.I bar type steel grating. | |
| Application Fields | 1.steel structure platforms; |
| 2.stair treads,sidewalks; | |
| 3.drainages; | |
| 4.well covers. | |
| Advantages | 1.Low cost for molding or tooling; |
| 2.Advanced &standardization workshops and facilitates; | |
| 3.High-tech and high precision manufacturing equipment; | |
| 4.Strict ISO 14001:2004,ISO9001:2008 standards; | |
| 5.ROHS compliant & environment friendly products; | |
| 6.Professional technical specialists and management personnel; | |
| 7.100%in house inspection before delivery; | |
| 8.All OEM/EDM is acceptable. |
1. Grating must be installed with both end being placed on supporting base like flange beam, steel channel.
2. There are four types of grating fastener available.
Ningbo Jiulong Machinery Manufacturing Co.,Ltd(NJMM) is one of the leading manufacturers specialized in Producing press-welded steel grating in China. Located in the famous port city-Ningbo, it has convenient traffic and superior location with only 30-minute drive to Ningbo Leshe International Airport and only 25-minute drive to Ningbo Port.
Founded in 1992, covering an area of 2500 square meters and with workshop area of 18000 square meters, NJMM has advanced equipment, full-fledged technology as well as rich manufacturing and management experience in press-welded steel bar grating field nearly 20 years. NJMM is among the few leading manufacturers who have the entire production process from bearing bar to galvanized steel grating. Nowadays, NJMM, in the area of steel grating and related products, owns the largest scale, has the most product varieties, possess the most powerful capability and achieves the largest export volume in China. The annual production capacity of steel grating, stair tread, trench cover, stanchion and scaffold is over 70000 tons, of which more than 4000 tons are for export.
Why Choose Us(NJMM):
Establish Year: 1993
History in this field: 27 years
Main Products:
A. Steel Grating, including plain and serrated steel graing, size and specification can be produced according to customer's requirements.
B. Stair Tread: There are 8 types of treads distinguished by different nosing & way of installation.
C. Drainage Pit/Trench Cover
D. Railing & Stanchion
Total Staff: About 300, including 50 managers, 10 technical engineers.
Total Area: 25, 000 square meters and with workshop area of 18, 000 square meters.
Main Equipment: 8 press-welding machines
Management System: ISO9001: 2008
Advantage: High quality, Professional engineer, and Large production Capability
Brand: Long Ta
Honor: The largest steel grating manufacturer in China with government quality prize of Zhenhai district in the year 2007
NJMM is now supply to more than 60 countries and enjoying high reputation among all of our customers.
We will try our best to satisfy our customers with top quality, good service and most competitive price.
May you have any questions or pending inquiry,Please send it to me!
Contact : Mr. Andrew Young
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