Rail Profile
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US $3.99
Rail profile
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Rail from 1896
Cross-sections of flat-bottomed which can rest directly on the sleepers, and bullhead rails which sit in chairs (not shown).
A rail profile is a hot rolled steel profile of a specific shape or cross section (an asymmetrical I-beam) designed for use as the fundamental component of railway track.
Unlike some other uses of iron and steel, railway rails are subject to very high stresses and have to be made of very high quality steel. It took many decades to improve the quality of the materials, including the change from iron to steel. Minor flaws in the steel that pose no problems in reinforcing rods for buildings, can, however, lead to broken rails and dangerous derailments when used on railway tracks.
By and large, the heavier the rails and the rest of the trackwork, the heavier and faster the trains these tracks can carry.
The rails represent a substantial fraction of the cost of a railway line. Only a small number of rail sizes are made by the steelworks at the one time, so a railway must choose the nearest suitable size. Worn, heavy rail from a mainline is often reclaimed and downgraded for re-use on a branchline, siding or yard.
Rail sizes
Two different rail profiles commonly used by the Belgian Railways: an already used 50 kg-profile (left) next to a new 60 kg-profile
Pound is a railroad term that indicates the weight of rail per yard. For example one yard of "132 pound rail" weighs 132 pounds. Depending on the use of imperial or metric units, rail sizes are usually expressed in terms of pounds per yard or kilograms per metre. Coincidentally, the pounds-per-yard figure is almost exactly double the kilograms-per-metre figure, making rough conversions easy. Rails in Canada, the United Kingdom, and United States are still described using imperial units. However, in Australia they are now described in metric units and always have been on mainland Europe.
Europe
Rails are made in a large number of different sizes. Some common European rail sizes include:
40kg/m (81 lb/yd)
50kg/m (101 lb/yd)
54kg/m (109 lb/yd)
60kg/m (121 lb/yd)
In the countries of former USSR 65kg/m (130lb/yd) rails are common. Thermally hardened 75kg/m (150lb/yd) rails also have been used on heavy-duty railroads like Baikal-Amur Mainline, but have proven themselves deficient in operation and were mainly rejected in favor of 65kg/m (130lb/yd) rails.
North America
Weight mark on a jointed segment of 155 pound "Pennsylvania Special" rail. The heaviest grade of rail ever mass produced.
The American Society of Civil Engineers (or ASCE) specified rail profiles in 1893 for 5-pound-per-yard (2.5kg/m) increments from 40 to 100 pounds per yard (20 to 50kg/m). Height of rail equaled width of foot for each ASCE tee-rail weight; and the profiles specified fixed proportion of weight in head, web and foot of 42%, 21% and 37%, respectively. ASCE 90-pound-per-yard (45kg/m) profile was adequate; but heavier weights were less satisfactory. In 1909 the American Railway Association (or ARA) specified standard profiles for 10-pound-per-yard (5.0kg/m) increments from 60 to 100 pounds per yard (30 to 50kg/m). The American Railway Engineering Association (or AREA) specified standard profiles for 100, 110 and 120 pound rails in 1919, for 130 and 140 pound rails in 1920, and for 150 pound rails in 1924. The trend was to increase rail height/foot-width ratio and strengthen the web. Disadvantages of the narrower foot were overcome through use of tie-plates. AREA recommendations reduced the relative weight of rail head down to 36%, while alternative profiles reduced head weight to 33% in heavier weight rails. Attention was also focused on improved fillet radii to reduce stress concentration at the web junction with the head. AREA recommended the ARA 90 pound profile. Old ASCE rails of lighter weight remained in use, and satisfied the limited demand for light rail for a few decades. AREA merged into the American Railway Engineering and Maintenance-of-Way Association in 1997. By the mid-20th century, most rail production was medium heavy (112 to 119 pound) and heavy (127 to 140 pound.) Sizes under 100 pound rail are usually for lighter duty freight, low use trackage, or light rail. Track using 100 to 120 pound rail is for lower speed freight branch lines or rapid transit (for example, most of the New York City Subway system track is constructed with 100 pound rail). Main line track is usually built with 130 pound rail or heavier. Some common North American rail sizes...(and so on) To get More information , you can visit some products about , . The LCD Digital Sports Watch products should be show more here!
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France Rail Pass $234 Unlimited Rail Travel in France with a France Rail Pass |
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Fly - Rail Baggage to Switzerland $33 Fly Rail Baggage: Oversea Luggage Delivery to any Swiss Train Station |
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The Profile $9.49 The Profile |
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Profile $12.49 Profile |
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Magpul Industries MAG012BLK XT Full Profile Picatinny Rail Cover 6.5 in. Polymer Textured Black $25.82 Rail covers perform several functions. Added gripping surface protects rails in unmounted areas protects operator from being cut with uncovered rails prevents gear from hangingup or being cut and as a locator for positioning attachments such as night vision etc. Low profile covers are also known as ladder covers full profile covers are a solid panel. Finish: Black. Fit: Picatinny. Type: Accessory. |
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Schulte Schulte Nickel Profile End Caps 7913660045 $3.18 Nickel profile end caps Profile end caps, for use with profile shelving Enough end caps per card for 3 shelves 6 double, 12 small, and 6 large Nickel Brand #: Schulte 7913660045 UPC: 046964241172 Keywords: shelf buttons end caps profile shelving freedom rail |
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Low Profile Printer Stand $85 -The compact Low Profile Printer Stand allows storage of a laser or inkjet printer below a work surface or desk. - Top shelf is 10 1/2" from the floor with a 3 1/2" rear safety rail that protects equipment and also doubles as a handle. -Store paper or other supplies on the bottom shelf for convenience. -The frame is brushed silver steel and the shelves are gray laminate. -Includes 2" casters (two locking) for easy maneuverability. -Assembly required. -Accessories not included. |
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Magpul Industries MAG013BLK Ladder Rail Protector Black $25.82 Provides a very low profile grip. Protects the operator from sharp rail edges. Protects unmounted rail areas from damage. Prevents damage to gear such as rappelling ropes that may be abraded or cut by uncovered rail sections. The Santoprene covers provide a rubbery surface for improved weapon control. Easily cut for custom fitting. Each protector covers 18 slots of rail. Finish: Black. Fit: Picatinny. Type: Accessory. |
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14' Low Rail Garden Bridge $1849.95 A bridge design with six posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 14' long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 12 feet |
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18' Low Rail Garden Bridge $2749.95 A bridge design with eight posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 18' long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 16 feet |
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20' Low Rail Garden Bridge $2899.95 A bridge design with eight posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 20' long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 18 feet |
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14' High Rail Garden Bridge $2149.95 A garden bridge design with six posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 14' long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 12 feet |
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8' High Rail Garden Bridge $1169.95 A garden bridge design with six posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 6' , 8' (Shown), 10', 12', 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 8 feet long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 6 feet |
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6' High Rail Garden Bridge $949.95 A garden bridge design with six posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 6' (Shown), 8', 10', 12', 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 6 feet long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 4 feet |
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10' High Rail Garden Bridge $1699.95 A garden bridge design with six posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 6' , 8', 10' (Shown), 12', 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 10 feet long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 8 feet |
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12' High Rail Garden Bridge $1899.95 A garden bridge design with six posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 12 feet long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 10 feet |
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16' High Rail Garden Bridge $2369.95 A garden bridge design with six posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 16 feet long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 14 feet |
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20' High Rail Garden Bridge $3349.95 A garden bridge design with eight posts and a higher single rail. Low profile, beautiful finials, carved posts and rail braces are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 20 feet long x 42" wide Walking surface: 35" wide Rail height: 20" (to protect a child) Maximum span of bridge: 18 feet |
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MP5/G3 Low Profile Weaver Rail Mount Base (Black) $9.2 Top 21mm Picatinny RailHigh-durability aluminum alloy in black matt and beautiful complementShock proof can be used on real fire caliberDesigned especially for HK MP5 / G3Convenient for installation and releaseWeight: 136gDimension: 130*40*18 mm |
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Daniel Defense DD2007 AR15 Lite Rail 10.0 $526.85 The Daniel Defense Lite Rail 10.0 (Midlength Extended) utilizes the Patent Pending Bolt Up System. This innovative system gives the weapon system an uninterrupted upper rail platform and also allows the Armorer to install the rail system with simplified alignment to the upper receiver. Not only does this battle proven system provide features that no other rail system on the market possesses but it is also the lightest rail system available. The Lite Rail 10.0 is an extended rail system designed to be used in conjunction with a low profile gas block on either a carbine or midlength gas system. This rail system gives the end user more real estate to mount various accessories available to the platform. When mounting a front sight to the top rail it allows the shooter to have an extended sight radius enabling more precise shot placement. Materials and Construction:. Precision CNC machined from Aircraft Grade 6061T6 Aluminum and Type III Hard Coat Anodized for a rock hard lasting finish while weighing in at a mere 11 ozs. The barrel nut is contructed from hardened steel and Heavy Phospahte Coated. Aircraft Grade 6061T6 Aluminum. Type III Hard Coat Anodized. Made in the USA. |
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Ergo 4811 ZRail 2Piece Picatinny Rail System for AR15 Carbines $190.94 The ERGO Z Rail Two Piece Replacement Handguard Rail System replaces standard Adam Robert15 carbine handguards with no modification. The unique light weight and low profile of this rail makes it one of the most comfortable on the market and it comes with a full set of black Ergo ladder rail covers. Type: Rail. Color: Black. Fit: AR15. |
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Midwest Industries MCTARLPG Low Profile Gas Block $61.43 Midwest Ind. Low Profile Gas Block provides a great solution for Mid Length Forearm Rail Conversions that now cover the old sight block location. Fits under most Rail Interface System (RIS) Forearms and is ideally suited for clearing the way for less obstruction in your optics pathway. Constructed from 4140 Steel. Fits.750 Dia HB/M4 Late Model Barrels. Not for Bull Barrel. Mounts with Set Screw. Fits under most rail forearms. Gas Tube Not Included. Made In: USA. |
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10' Low Rail Garden Bridge $1499.95 A bridge design with six posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 6' , 8', 10' (Shown), 12', 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 10 feet long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 8 feet |
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6' Low Rail Garden Bridge $849.95 A bridge design with six posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 6' (Shown), 8, 10, 12', 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 6 feet long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 4 feet |
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8' Low Rail Garden Bridge $999.95 A bridge design with six posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 6' , 8' (Shown), 10', 12', 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 8 feet long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 6 feet |
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12' Low Rail Garden Bridge $1699.95 A bridge design with six posts and a low single rail. Low profile, beautiful finials and carved posts are the highlights of this bridge. Constructed from the highest grade treated pine and assembled with galvanized fasteners to assure low maintenance. These garden bridges are totally free spanning and require no foundation or footings. Just bolt the garden bridge together. Conveniently shipped in a hard shell container ready for easy, simple assembly and installation. Available in 12' (shown), 14', 16', 18', or 20' lengths. Please allow 2-3 weeks for delivery. Overall: 12 feet long x 42" wide Walking surface: 35" wide Rail height: 12" (for decoration only) Maximum span of bridge: 10 feet |
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Justin Bent Rail Desperado boots $179.99 Justin Bent Rail cowboy boots sync cutting-edge style with the beat of a new generation . Vintage cafe Desperado distressed leather . Justin J-Flex comfort system maximizes energy return & flexibility; little or no "break-in" time! . Traditional medium toe profile . Distressed leather outsole & heel . Proudly handcrafted in the U.S.A. . Introducing the Justin Bent Rail cowboy boot collection, inspired by alternative country and an outlaw attitude! This stage-worthy cowboy boot features a cafe Desperado distressed leather foot under a matching, embroidered 11" leather shaft. Leather lining with comfort taped side seams. Leather covered cushion insole and triple density insole board. 1 9/16" sanded longbase heel. Single stitched full welt. For vintage appeal, distressed leather appearance will vary. Each boot will be unique. |
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Justin Bent Rail Cowboy Boots $169.99 Justin Bent Rail Collection cowboy boots are on the feet of new country music stars. Handcrafted of chocolate brunished calfskin & ivory plush leather. Justin J-Flex comfort system maximizes energy return & flexibility; little or no "break-in" time! . Modern broad square toe profile . Proudly crafted in the U.S.A.. Introducing the Justin Bent Rail cowboy boot collection, inspired by alternative country and an outlaw attitude! This rugged cowboy boot features a chocolate brunished calfskin leather foot under a fancy stitched 13" ivory plush leather shaft. Easy-on pull holes. Leather lining. Leather covered cushion insole and triple density insole board. 1 3/8" sanded longbase block heel. Double stitched welt. Smooth leather sole. |
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Justin Bent Rail cowboy boots $169.99 Justin Bent Rail cowboy boots sync cutting-edge style with the beat of a new generation. Vintage appeal Puma tan or black Desperado distressed leather . Justin J-Flex comfort system maximizes energy return & flexibility; little or no "break-in" time! . Updated snip toe profile. Distressed leather outsole & heel . Proudly handcrafted in the U.S.A. . Introducing the Justin Bent Rail cowboy boot collection, inspired by alternative country and an outlaw attitude! This stage-worthy cowboy boot features a distressed leather foot under a matching, embroidered 11" leather shaft. Leather lining with comfort taped side seams. Leather covered cushion insole and triple density insole board. 1 9/16" sanded longbase heel. Single stitched full welt. For vintage appeal, distressed leather appearance will vary. Each boot will be unique. |
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