Yield strength psi core hardness rockwell max description grade identification marking. Unbrako fasteners known for quality, safety and innovation for over 100 years, are now available in 304 and 316 stainless steel ad 2000 merkblatt wo certified. Magnetic properties austenitic stainless steel fasteners are normally nonmagnetic. From 316 marine grade stainless steel, to military spec, to 302 structural stainless, you can find it in our catalog. Ironchromiumnickel grades corresponding to both standard aisi 300series alloys and modified versions of these alloys. Typical anodic dissolution behaviour of an activepassivetranspassive metal is given in an annex. Stainless steel fasteners, round bars, tube plug in india. Stainless steel is the material of choice for external applications and environments where corrosion is a factor. Astms fastener standards are instrumental in specifying, testing, and evaluating the material, dimensional, mechanical, and metallurgical properties of the various forms of hardware fasteners. To satisfy the demand for reduced assembly times, high rpm drivers are commonly used to install threaded fasteners. An extensive range of fasteners made from stainless steel and other exotic materials, including screws, bolts, nuts, washers and allthread.
An alloy steel is a highstrength carbon steel that can be heat treated up to 300 ksi. Established in 1991, apex stainless fasteners has built a worldwide reputation for service, competitive pricing as well as an extensive and comprehensive stock range, and is now one of europes leading specialist suppliers of stainless steel fasteners for the trade. The right choice of steel type will limit the permeability that is the rate of penetration in a magnetic field to below 1. Engineers and architects are requiring the use of stainless steel. Grade 300 steel fasteners are most common in areas with higher levels of interaction with chemicals or moisture. Manufacturers and suppliers of nickel alloy round bars, inconel nuts, hastalloy, monel washer, stainless steel tube plug, titanium, duplex and super duplex steel stud bolt, high tensile carbon steel hex bolts at best price for various industrial applications, hex nuts with extensive size range, dimensions and standard specifications. Highcarbon spring steel spring steel products are manufactured using highcarbon coldrolled steel, aisi c1075 or equivalent. Austenitic stainless steel fasteners can be classed as long life to a minimum building design life of 30 years. Also, the operator must be aware that the torquetension relationship will be altered with the use of lubrication. The frustrating aspect of fastener galling is that galled nuts and bolts may pass all required inspections threads, material, mechanical, etc. Chemical composition for austenitic stainless steel fasteners. It is a complete revision of the design manual for structural stainless steel, which was prepared by the steel construction institute between 1989 and 1992 and published by euro inox in 1994. The epa contacted all known domestic fastener manufacturers and raw material suppliers ofdomestic stainless steel wirebar stock.
Surface treatment and environment can significantly alter activity. Select one of the characteristics to start drilling down through our catalog of fasteners. Also available in stainless steel jbolts j shaped hook on one end. Typical anodic dissolution behaviour of an activepassivetranspassive metal is. Design guidelines for the selection and use of stainless steel nidl distributed by. Carbon steel fasteners are generally less expensive than stainless steel fasteners due to the variety of alloying elements found in stainless steel including nickel, chromium, and manganese. The requirements for chemical composition and mechanical properties of.
As installation rpms increase so does the heat during. In its most basic form, chromium is added to ordinary steel in order to become corrosion resistant. Nuts are available in 3tom made as required by our clients. The bolts exhibited corrosion predominantly on the head of the bolt around the set screw, underneath the head of the bolt, and in the threads. Should i be using stainless steel or carbon steel fasteners. Stainless steel fasteners are specified to bs en iso 3506. Bolts of stainless steel cresare available in a variety of. The nickel and passivation of chromium in stainless steel protects against corrosion from galvanic action and nongalvanic action. Stainless steel nuts, bolts, screws, washers, threaded rod and concrete anchors, plus much, much more. Stainless steel is also readily welded, although the welding rods and techniques are different from that of mild steel.
A complete range of unbrako stainless steel fasteners including socket head screws, hex head screws and nuts. Analysis of corroded stainless steel bolts summary. Stainless steel fasteners to bs en iso 3506 grades a1, a2. The hexagonal thin nuts offered by us are arsh weather conditions. The final part is heat treated to give the formed product great resilience and. However after cold working some ability to be magnetized may be evident. Fastener reference guide industrial supplies, oem fasteners. We make stainless steel fasteners accessible and affordable.
Also included in this article is a comparison chart between different international standards. Reduced outer dimensions and thinner sheet capabilities compared to sp nut thread sizes. Reference is often made to stainless steel in the singular sense as if it were one material. These fasteners are used to mechanically join or affix other hardware objects together, and come in many forms which include rivets, nuts, bolts, studs. We supply nuts, bolts, screws, metal threads, socket products, and more. Shop our stainless steel nuts, bolts, screws and much more. However, it is not corrosion resistant and must therefore have some type of coating to protect it from corrosion. Hkoo snap fasteners 100% stainless steel boat marine canvas upholstery snaps cap socket stud eyelet all four parts,15mm cap 80 pieces 58stainless steel 4. Stainless steel fastener mechanical properties anixter. Fastener selection guide sailrite is proud to carry dot and loxx brand fasteners for canvas use. The nutty company carries a full line of stainless steel fasteners, including. The loading of a fastener is usually through the bearing surface. Stainless steel fasteners are specified in bs en iso 3506.
Formulation stainless steel ring shank fasteners product. If your fasteners will be placed in a noncorrosive environment, the lower cost carbon steel fasteners may be the way to go to keep your project under budget. Mudge fasteners has been a leader in stainless steel fasteners and other stainless steel hardware since our inception over 40 years ago. Such alloys, which are based on type 304 188 stainless steel, as shown in fig. Stainless steel is the material of choice for external applications and environments where corrosion is. In celebration of our 50th anniversary we have refreshed our website with a new look and feel. There are some outstanding ptfe based coatings that can be applied to stainless steel fasteners. Mti received five stainless steel bolts from a marine environment. For more information about the different types of stainless. Galling industrial supplies, oem fasteners, safety. The following materials are used for steel city spring steel fasteners.
A2 and a4grade stainless steel bolts, screws, studs and nuts. We are your premier source for commercial grade fasteners, nuts, bolts, screws, and hard. Ultimate lateral loads for stainless steel nails are about 20% higher than plain steel fasteners. There is an everincreasing demand for better performing fasteners in siding, decking, roofing, and trim applications. But austenitic stainless steel fasteners should be. Fasteners for use in stainless steel sheets installs into stainless steel sheets as thin as. Corrosion resistance similar to 300 series stainless steel. These hightensile fasteners offer excellent corrosion resistance. Exotic material fasteners stainless steel fasteners. Bolts of stainless steel cresare available in a variety of alloys with ultimate.
Stainless steel nuts designed for use in corrosive. Stainless steel offers good corrosion resistance, making it suitable for outdoor use and marine applications, but is more expensive than zinc plated. Other types of fasteners coated with proprietary anticorrosive technologies are also available for use. The remedy provided herein shall be the exclusive remedy for any breach of warranty or any claim arising in any way out of the manufacture, sale or use of these. Other types of fasteners coated with proprietary anticorrosive technologies are also available for use with preservativetreated lumber. Failure analysis of corrosion on stainless steel fasteners. Many manufacturers require the use of stainless steel fasteners to protect product warranties. There are 3 primarily classifications of stainless steel, 18. Iso 16048 specifies the methods most often used for passivation of corrosionresistant stainless steel fasteners. Galling fastenal industrial supplies, oem fasteners. We are your premier source for commercial grade fasteners, nuts, bolts, screws, and hardware. Stainless steel fasteners a systematic approach to their selection advice on the selection of stainless fasteners.
All of our stainless steel fasteners are made from the finest grade 316 stainless steel. Austenitic stainless steel fasteners are often only specified on prestigious contracts, or in areas close to marine or other highly corrosive atmospheres. Advisory desk ad 342 stainless steel fasteners steelconstruction. Reinforcing bar issf stainless steel for designers 16 stainless rebar a website dedicated to stainless steel. Issf stainless steel for designers 10 stainless steel in fire detailed report on the mechanical behaviour of austenitic stainless steels in fire are available. Stainless steel fasteners are particularly susceptible to thread galling, although it also occurs in other alloys. This makes stainless steel fasteners the most corrosion resistant option for demanding applications, as well as a strong and workable solution. Also available in stainless steel use sleeve anchors to attach items to solid materials. Hex cap screws and studs covers the broad range of commercial ferritic, martensitic. We also have access to additional stainless steel fasteners that are not listed on our site, feel free to contact us for a custom quote.
New or updated parts in the military fasteners catalog changes daily. Whether youre looking for fasteners to be used in automotive, construction, glazing, solar panel racking, robotics, wind energy, or waste and water management, were sure to have what you need. Final extension of the shortterm national product waiver. Stainless fastener supplies is a leading wholesaler and distributor of stainless steel and carbon steel fastenings, with over 18,000 products for marine, shipbuilding, construction, mining, transport, engineering, and manufacturing applications. These specifications apply to fasteners primarily bolts, screws and nuts made from austenitic grades of corrosionresistant stainless steels with sizes from 1,6 up. Military fasteners aviation and milspec stocked hardware.
Final extension of the shortterm national product waiver for. But austenitic stainless steel fasteners should be specified. The epa contacted all known domestic fastener manufacturers and raw material suppliers ofdomestic. For more than 60 years, abs has set the standard for quality, valueadded services, and.
Our mission is to deliver quality products that last right off the rack. Stainless steel fasteners the stainless steel fastener materials are identified as the b8 class of alloys and are identified in the astm specification a193193m standard specification for alloy steel and stainless steel bolting materials for high temperature service. New or updated parts in the militaryfasteners catalog changes daily. Get free 2day shipping on qualified stainless steel, fasteners products or buy hardware department products today with buy online pick up in store. Stainless steel nuts with mechanically deformed locking features are almost certain to gall with stainless steel external thread fasteners. Stainless fastener supplies stainless fastener supplies. Recommended for use in stainless steel sheets hrb 90 hb 192 or less. Aerospace alloy steel fasteners are usually cadmium plated for corrosion protection. Sae j429 grade 8, astm a354 grade bd, astm a490, astm a193 b7 are all common examples of alloy steel fasteners.
412 991 560 260 878 603 1004 1302 811 1015 906 1374 1518 706 754 519 65 604 111 967 621 303 70 351 218 619 643 782 390 935 539 1043 1068 1419 1300 703 1136