The trade name has since taken on a life of its own and 1144 is commonly referred to as stressproof. Stressproof offers wearability without case hardening, strength without heat treating, plus excellent machinability and tool life. Sbq grades include 1018, 1045, 1117, 1141, 1144, 1215, 12l14, stressproof and. Standard specification for colddrawn, stressrelieved. The stressproof grade is processed by cold drawing a hotrolled. It is generally available in round rod, square bar, and rectangle bar. Your resource for cold finished carbon, hot rolled carbon and alloy steel bars. This material is a higherstrength alloy than 1018 or a36, with improved ductility. Applications include cold drawn or finished bar, cold punched nuts, split rivets.
See the chemical composition and physical properties of astm a grade colddrawn, stress relieved, annealed bar, find alternative materials, and. The bars are specially treated to relieve the stresses set up by the cold working, thus minimizing the tendency toward warpage after machining which is common in ordinary colddrawn bars. Ends painted blue this grade is a flat cold rolled carbon steel, processed to give such useful. The manganese content is high, making it a good steel for carburized parts, since it produces a. Metric round bar 1144 sr tpg carbon steel shafting. A311 class b, includes stressproof, is a medium carbon free machining steel that has been severely cold reduced to improve its mechanical properties. It is often used for induction hardened parts, and. This grade is a flat cold rolled carbon steel, processed to give such useful. It has been severely cold worked to produce high tensile properties. One class, b, is cold drawn with higher than normal heavy drafts to provide higher strength levels, and. This means that the bar is less prone to warping after it is machined or heat treated. Contact your local metal supermarkets store to confirm availability and pricing. Is a medium carbon, resulphurized, free cutting steel that responds. Class a a3311 normaldraft colddrawn and stressrelieved rounds, squares, hexagons, and flats.
Itemdiameter a in inches find your closest store 0. Stressproof is a tradename of niagara lasalle for a modified sae 1144 steel, alloyed with nitrogen. Ends painted black a lowcarbon steel, having higher manganese content than certain other lowcarbon. Manufacturer of 1144 steelcold rolled round bar available in a number of sizes to suit your application needs, request a quote or place an order with metal supermarkets today. To further improve quality, niagara lasalle reduced the standard seam depth tolerance for stressproof from 0. Its high sulfur content makes this particular grade have a good machinability rating of 83% as compared to 1212 steel. Carbon 1144 is a medium carbon, resulphurized steel with good freemachining qualities and mechanical properties. Aisi 1144 is a good choice of steel for machined parts requiring better tensile.
Fatigueproofcold drawn finished carbon steelsrounds on fay. Ryersons carbon steel round bar offering includes both special bar quality. These are stocked in a variety of sizes and finishes designed to meet various strength, machinability and weldabilty requirements. Niagara lasalle steel products stressproof, astm a311. It is a specially treated grade to relieve the stresses set up by the cold working, and therefore reducing warpage tendencies after machining, which is common in ordinary cold drawn bars. Ryerson is a leader among north american metal suppliers in the carbon steel bar market. Turned and polished bars tend to have a somewhat brighter finish than cold drawn bars. Standard mill sizes for cold rolled steel c1144 round bar range from 0. These are carbonmanganese free machining grades which have been severely cold worked to produce high tensile properties. Fatigueproof cf higher strength than stressproof achieved by mechanical working and thermal treatment. Stressproof steel rounds offer a combination of high strength and excellent machinability.
Applications for stressproof rounds are many, including cold punched nuts, split rivets, machine and wood screws, arbors, keyed shafts, motor shafts, splined shafts, driveshafts, armature shafts, rotary pump shafts, gusher pump shafts, oil and water pump shafts, wrist pins, pinions, piston rods, arbors, spindles, gears, sleeves, lead screws. Seems theres some need in this world for this stuff in flat bar, something that doesnt warp around much from stress as its milled out and cuts great. Cold roll steel round barrod 1144 stressproof is normally used for industrial, machine, and tool applications. Order online or call 8669386061 to speak with a representative. Ryersons carbon steel round bar offering includes both special bar quality sbq and merchant bar quality mbq. Alloy 1018 is the most commonly available of the coldrolled steels. Astm a519 asme sa519 1144 stressproofequivalent steel. Identical to astm specification a a m r except for deletion of, revision of table 1 footnote a, and editorial corrections to table 2. Bars must be straight and true and the width must be in a perpendicular plane with the. Eliminates need for heat treating and secondary operations cleaning, straightening, etc. The bars are specially treated to relieve the stresses set up by the cold working, thus minimizing the tendency toward warpage after machining which.
North americas largest supplier of cold finished metric round bar 1144 sr tpg carbon steel. Stressproof a specialty steel product produced with an innovative process. Is a medium carbon, resulphurized, free cutting steel that responds well to heat treatment. Email this page download pdf download pdf printable page. Oct 31, 2019 identical to astm specification a a m r except for deletion of, revision of table 1 footnote a, and editorial corrections to table 2. Browse fatigueproofcold drawn finished carbon steelsrounds in the fay industries, inc. May 04, 2019 identical to astm specification a a m r except for deletion of, revision of table 1 footnote a, and editorial corrections to table 2. A page 3 1018 cold finished bars astm a 108 uns g10180 color marking. Can be hammer forged and responds to heat treatment. General product line and customengineered materials. It is produced as a cold finished material in random lengths that can range between 11 to feet long.
Astm a311 grade 1117 colddrawn, stress relieved, annealed bar. Speedy metals cold finished stressproof 1144 steel round. We offer carbon steel bar in a variety of shapes, including flat, round, half round, hexagon and square. Sbq grades include 1018, 1045, 1117, 1141, 1144, 1215, 12l14, stressproof and fatigueproof. Jul 05, 2019 niagara lasalle steel products stressproof, astm a, cold rolled steel round rod. The first digit 1 identifies that they are both carbon steels, and the second digit 0 identifies that there were no modifications to the alloy. This can mean a savings of 3% in material weight purchased. Sae 1144 is a heavily resulfurized steel, which substantially improves machinability. Whatever your requirements, we can deliver the right size and quantity of 1144 cold drawn that meets your needs. Stressproof a311 class b is available in ground and polished condition starting at 38. On lasalles website it appears to show just round and some hex. Stressproof is a registered trademark of the lasalle steel co. The carbon content of both 1045 and 4140 determines the last two digits of their grade number.
Steel round stressproof 1144 cold finished speedy metals. Stressproof and 1144 stress cold finished bars continued. The relatively high carbon, high manganese content provides a steel with good strength and wear resistance. Welding 1144stressproof miller welding discussion forums. Aug 09, 2019 identical to astm specification a a m r except for deletion of, revision of table 1 footnote a, and editorial corrections to table 2. Cold finish carbon bars and cold rolled strip emj metals. Chemical analysismechanical properties information. Also called stressproof, this alloy has excellent strength and hardness, and is specifically treated to relieve stresses in the metal created during the manufacturing process. Cold rolled steel c1144 round bar metal supermarkets. The best pricing is always when you order full lengths, which can be cut for economical shipping methods. It has a good combination of all of the typical traits of steel strength, some ductility, and comparative ease of machining. This severe cold working combined with the stress relieving results in a high strength bar with good stability and exceptional machinability.
This product manual is to be used for reference only. Applications for stressproof rounds are many, including cold punched nuts, split rivets, machine and wood screws, arbors, keyed shafts, motor shafts, splined shafts, driveshafts, armature shafts, rotary pump shafts, gusher pump shafts, oil and water pump shafts, wrist pins, pinions, piston rods, arbors, spindles, gears, sleeves, lead screws, racks, link pins, mandrels, boring bars, collets, bushings, etc. With the stressproof, i made the entire 85pc run without ever touching an offset, and the parts i checked just kept on measuring within a tenth of each other thru the entire run. Buy cold roll steel round bar 1144 cold drawn stressproof. Stressproof is a trade name of niagara lasalle for a modified sae 1144 steel. Complete inventory list of 1018, 1144, 12l14, 4, 4140, 4340 alloy steel round rod and bar. Applications specifications mechanical and chemical data. Stressproof cf high strength without heat treatment. The result is a steel bar product that meets stringent standards and provides a wide variety of benefits, including for continuous type of treatment, a lot shall consist of 25 tons 25 mg or less of the same size of each heat, treated in asmt same cycle. Jun 25, 2019 identical to astm specification a a m r except for deletion of, revision of table 1 footnote a, and editorial corrections to table 2. To assure surface quality, magnetic or roto bar testing for seams on every order is a part of the stressproof manufacturing process.
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