Guides
Guardrails are used for safety and barrier purposes and are an integral part of various industrial structures. These assemblies are typically installed at platform ends and are incorporated within mezzanine structures in industrial sites, such as warehouses. They are used on highways as a protection barrier against vehicle impact, to prevent falls, and in production areas. Standard guardrail fabrication materials include variations of Stainless Steel, a material recommended because of its durability. Wooden guardrails are another common barrier material. There are numerous variations of standard guardrails, which must comply with OSHA standards. Both single and double railing systems are a standard guardrail installation option.
The most common types of guardrails include:
W-beam
Curved
Bolt-on
Drop-in
W-beams are the standard traffic and highway safety rails and are constructed in high gauge steel. To protect against environmental conditions, this type of beam is fabricated with zinc coatings and weather (resistant) coated materials.
Curved guardrails feature a convex or concave-shaped rail and are used to provide protection on roadways and highways that have a bend radius to them. These units are usually prefabricated to fit the required dimensions of the site where they will be installed. Concave rails are those in which the rail curves in towards the vehicle, while convex rails are those that curve away from the vehicle.
Drop-in rails feature brackets that allow post sections to slide into the structure upon installation. This type of railing is easily accessible.
Bolt-on rails involve specific installation with hand tools and drills, though the hardware for this type of railing is typically included by the manufacturer. Single, double, or triple rails may be selected for an application.
Pedestrian walkway protection
Workstation and transformer area barrier
Protect equipment from forklift damages
Protect building from damage (ie, walls and doors)
Installed along roadways to prevent and minimize accidents
A standard guardrail system is mounted to the floor by base plates, which are fastened with anchor bolts. Each guardrail system also includes columns that are commonly fabricated from steel. Such columns, or posts, are often pre-drilled by the manufacturer and include the hardware for installation. Standard galvanized steel systems (specifically 12-gauge) provide durability and are often fabricated in curved, 90-degree variations, for traffic areas. Other variations include cylindrical steel beams and flatter beams, featuring ribbing. For indoor and outdoor areas, railings are typically painted OSHA yellow. The type and amount of beam railing vary according to the application requirements. For instance, the railing can consist of one to three beams and the beams may be coated with UV resistant polyurethane sleeves.
Box beam guardrail, a kind of highway barrier, is not as common as traditional w beam or thrie beam guardrails, but it caters the need of appreciation of the beauty and is widely used not only on highways, but also in parks, picturesque bridges, etc.
The same as W-beam guardrails, it is made of high quality steel and plated with superior zinc coating or coated with PVC coating. Thereby, it is anti-rust and durable enough to endure the impact force. Additionally, there is no need of paying much money on the maintenance of the box beam guardrail, which makes it cost effectively in the long run.
Box beam guardrails can be used on bridges.
Advantages:
Anti-rust
Corrosion-resistant
Durable and well-constructed
Designed to have a long service life
Can be used with or without blocks
Easy to install and repair
No need of maintenance
The box beam guardrails we supply:
According to the shape of the box beam guardrail, we can divide them into two types: square and rectangular. Meanwhile, we can also provide open box beam guardrail depends on your requirements.
Square box beam guardrails
Rectangular box beam guardrails
w-beam guardrail has a section or profile of W shape, it is also named as two wave beam guardrail. This is the major type of beam barriers for highways safety with symmetrical designs on each side of the beam. We supply two kinds of finishes for w beam guardrail panels: hot dipped zinc coating or plastic coating. According to the fabricated shapes, our W-beam guardrails can be divided into two types: the straight line w-beam,or the curved beams.
How to choose straight W beam or Curved Beam used for your uses?
The straight W-beam guardrail can be lined up for transitioning smoothly and is suitable to the curves with a radius greater than 45m. For the radius less than 45m, the pre-curved W-beam guardrail product exploits its advantages to a full.
W beam guard railings can be used in expressway and highways to absorb maximum energy of the impact force when collision occures and reduce harms to cars and people. It can also protect the vehicles against skidding off roads, especially mountain roads and bridges and prevent the pedestrians from the danger of walking across highways.
General Technical Information of W Beam / Two Wave Guardrail Barriers:
Base Metal Material: steel: Q235 (S235JR / ASTM A283M) or Q345 (S355JR / ASTM A529M )
Standard specification: 380*85*2.75/3/4*/mm or 306*80*2.75/3/4*mm
Surface finishing: Hot dipped galvanized finish or powder coated.
Zinc coating thickness (double sides): 550 g/m2 (40µ) / g/m2 (80µ) / g/m2 (85µ)
Relevant parts required for guard rails: post, spacer (C, U and Sigma types etc) and fasteners
Profile: W-beam / two wave.
Plate Thickness:2.5mm-4mm
Thickness Tolerance: +/-0.015mm
Popular Specification of W Beam Guardrails:
Wave width: 310mm
Wave height: 85mm
Plate thickness: 2.5mm - 4mm
Beam length: mm
Scise Most Popular W Beam Guardrail System ( beams and necessories parts for installing ) for Export is composed as following:
Guardrail W-Beam Galvanized including bolts, nuts and washers;
Guardrail Steel Post, Box Beam;
Guardrail End Units;
Guardrail Terminal Units;
Hot Dipped Galvanized Steel Guardrail W Beam;
Hot dipped galvanized terminal section;
Hot dipped galvanized round steel post;
Hot dipped galvanized post cap;
Hot dipped galvanized black spacer;
Hot dipped galvanized flat plate washer;
Hot dipped galvanized bolts.
Anda Product Page
Packing 1.)25 pieces metal beam road guardrails per bundle, and then fasten the bundle with wire straps or hemp ropes.
2.)One 20 feet GP will hold about 510 pieces.
3.) Customers' requirements are available, too
Popular Specifications:
Normal W Beam Specification ×310 × 85 × 2.5(2.67/2.7/3.0 ) × 310 × 85 × 2.5(2.67/2.7/3.0) × 310 × 85 × 2.5(2.67/2.7/3.0) Profile A Specification × 306 × 80 × 2.5(2.67/2.7/3.0) Profile B Specification × 310 × 75 × 2.5(2.67/2.7/3.0) Zinc Coating 550g/m²(40u) g/ m² (80u) g/ m² (85u) Standard JT/T 281- AASHTO-M180 RAL RG620
Wave Size Applied to W Beam Guardrails:
W-beam Length -mm Wave width 300-600mm Wave height 50-100mm Thickness 2-6mm Notes: Custom length, width, height and thickness are available as your requirements.
Curved W Wave Guardrail Radius Details:
Radius (Feet) H/ Rise (Inches) Radius (Feet) H/ Rise (Inches) 5 (1.5m) 41 55 (16.8m) 4 1/4 6 (1.8m) 36 60 (18.3m) 4 8 (2.4m) 28 65 (19.8m) 3 5/8 9 (2.7m) 26 70 (21.3m) 3 3/8 10 (3.1m) 22 75 (22.9m) 3 1/4 12 (3.7m) 20 80 (24.4m) 3 13 (4m) 18 85 (25.9m) 2 3/4 15 (4.6m) 16 90 (27.4m) 2 5/8 16 (4.9m) 14 95 (29m) 2 1/2 20 (6.1m) 11 5/8 100 (30.5m) 2 3/8 25 (7.6m) 9 1/2 110 (33.5m) 2 1/8 30 (9.1m) 7 3/4 120 (36.6m) 2 35 (10.7m) 6 3/4 130 (39.6m) 1 3/4 40 (12.2m) 6 140 (42.7m) 1 5/8 45 (13.7m) 5 1/4 150 (45.7m) 4 1/2 50 (15.2m) 4 5/8
Post and rail barrier for office block area and other sites.
Guardrail Fence:
Optional: W beam guard rail system 900 mm high
These system are going on a concrete floor.
The posts have base plates.
Delivery to Melbourne port.
We supply w wave corrugated metal beam 12 GAUGE(2.7P MIN.) for high way guard rails & bridge rails, AASHTO M 180 standard specifications and other international qualities. The system contains W-beam rail element, backup plates, and terminal sections, the 12 gage steel formed into a beam minimum 12 inches ( 300 mm) wide and 3 inches (75 mm) deep. The 6 inch channel rail and splice plate are manufactured in conformance with AASHTO M 183. AASHTO is simplified term of American Association of State Highway and Transportation Officials. Quality meeting Division 12 -- for metal beam guard rail of Kuwait and other other international qualities are also supplied.
Physical properties of the materials is as follows:
Tensile Strength: 483 MPa (min)
Yield Strength 345 MPa (min)
Elongation 12% (min).
Guard rails is supplied with Mill Test certificates of the materials.
12 Gauge Beam Guardrails: Elements and Parts
Steel Quality as per Grade Fe 410 or equivalent for W Beam.
Hot Dip Galvanizing as per AASHTO M180, 550 gm/m2.
Metal beam corrugating type: W beam
Details as below attached for reference:
1. Guard rails straight-3.0mm C/C class 'A' type
Material quality: AASHTO
3 mm thick Guard rails, W beam, in black finish.
Also Bridge Railing post only in aluminium mill finish.
2. Guard rail reflector
Quality: AASHTO
3. Railing Post, M16 x 32 bolt, Nut & Washer
Bulk Head
Finish: Galvanized
Quality: AASHTO
Guard Rails with Steel Post Blocks
GUARD RAIL TERMINATION DETAILS
4. M16 x 45 mm,Bolt, Nut & Washer
Bulk head
Finish: Galvanized
Material quality: AASHTO
Since W Beam Crash Barrier,Thrie Beam Guardrail,Galvanized Crush Barriers,Mental Beam Crush Barriers establishment, the company has always adhered to the"terminal demand as the root, Customer satisfaction first" business philosophy, attaches great importance to product quality.
Let's talk about the functions and purchasing considerations for highway guardrails
1. Highway guardrails separate motor vehicles, non-motorized lanes, and non-motorized traffic. They vertically separate the highway in cross-section, allowing motor vehicles, non-motorized vehicles, and pedestrians to travel in their respective lanes, thereby enhancing road safety and optimizing traffic management.
2. Highway guardrails prevent traffic behavior, stopping pedestrians, bicycles, or motor vehicles attempting to cross the road. They require the guardrail to have a certain height, density, and strength.
3. During installation, the shape of the guardrail should be concise and light, reminding drivers to be aware of the guardrail's presence, as well as pedestrians and non-motorized lanes, to prevent traffic accidents.
4. Based on the different materials, styles, shapes, and colors of highway guardrails, harmony and coordination with the highway environment can be achieved.
Here are several aspects to consider when purchasing guardrails:
1. Distinguish and choose the correct type of highway guardrail
Highway guardrails can be selected according to their purpose. Different types of guardrails have significant price differences, so it's crucial to choose the highway guardrail that suits your needs. To distinguish between them, it's better to learn some professional knowledge; otherwise, what you buy at a high price might not necessarily be practical.
2. Mesh size ratio
Besides affecting usage, mesh size directly relates to the guardrail's quality and price. Therefore, mesh size is a crucial parameter for inspection. However, if the boss is easy to talk to and not short on money, then it's hard to make a prediction.
3. Wire diameter
The wire diameter is related to the amount of raw material used and is a crucial parameter determining the guardrail's quality and price. The special tool for accurately measuring the wire mesh diameter can be a coating thickness gauge or a micrometer. If you don't have one, buy one; after all, it's only a few tens of yuan. The potential loss if not measured accurately would be much more than that, so some investment is definitely necessary.
4. Surface coating quality
Highway guardrails generally require surface treatment to prevent corrosion and extend their service life. Common coatings include hot-dip galvanized coating, electrostatic spraying coating, phosphating coating, hot-dip zinc coating, and others. Although you may not know all of them, it's always good to understand more basic common sense.
Here are a few tips for identifying anti-corrosion quality: Hot-dip galvanizing is superior to phosphating; both types can be distinguished by appearance, with the former appearing whitish and dull, and the latter shiny. Hot-dip zinc coating has a thicker plastic layer on the surface, offering better corrosion resistance. Electrostatic spraying provides a smooth, bright, and aesthetically pleasing surface. For guardrails that come into contact with liquids, plastic coating is better than phosphating. For those exposed to sunlight for a long time, hot-dip galvanizing is superior to plastic coating, and so on.
5. Other material specifications
There are many types of guardrails, and their manufacturing methods and materials used also differ. It's important to note the selection of the guardrail frame; some reputable large enterprises use angle steel and round steel, and the choice of angle steel and round steel for different positions should vary.
Are you interested in learning more about Plastic Coated Galvanized Highway Guardrail? Contact us today to secure an expert consultation!