All stainless steels contain principally iron and a minimum of 10. Astm international 2004, files indexed by mero 2006 subject. Pdf different types and new applications of stainless steel. This publication is being made available in pdf format as a benefit to members and. Stainless steel grades chart pdf types of stainless steel. Stainless steel is defined as an ironcarbon alloy with a maximum of 1,2% carbon and minimum of 10,5% chromium, necessary to ensure the buildup of a selfhealing surface layer passive layer which provides the corrosion resistance and make it very durable. At this level, chromium reacts with oxygen and moisture in the environment to form a.
Introduction to stainless steels asm international. The addition of molybdenum increases this alloy s corrosion resistance and its attack from many deicing chemicals. Alloy steel bolting materials for lowtemperature service1. For any given stainless steel, the mechanical properties, weldability, corrosion resistance, and wear and abrasion resistance depend to a large extent upon its microstructure, which in turn depends upon the alloy composition, the steel making or casting practice, the thermal history, and the finishing treatment. This easytoread stainless steel grades chart pdf has all you need to. The martensitic group includes 174 ph and 155 ph chromium.
Pdf a patent on austenitic stainless steel was granted in 1912. Stainless steels are ironbase alloys containing 10. Data provided in this tool box section is for informational purposes only. Issf stainless steel for designers international stainless steel.
Stainless steel is the term used to describe an extremely versatile family of engineering materials, which are selected primarily for their corrosion and heat resistant properties. Pdf high strength medium carbon austenitic stainless steels have. Tw metals supplies a wide range of specialty metal products to many unique industry classifications. Differential pressure gauge, copper alloy or stainless. When a weld filler is needed, aws eer 420, ak steel 410 nimo and ak steel 309l are most often specified. Type 420 is well known in reference literature and more information. The more you know about what we do, the better we can do it for you. Petroleum engineers steel products manualstainless and heat. Measuring system, case, ring from stainless steel and liquid filling model 733.
The one source for stainless, specialty alloy, chrome moly. A major difference is higher carbon content for this alloy which requires both preheat and postweld heat treatment. This balanced approach is critical in charting a profitable course through various business cycles. There are two general areas of ph grade stainless steels. You can easily download the modules in a pdf or in a zipped powerpoint file.
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