304 Stainless Steel Chemical Compatibility Char t ver 1 Nov 2018 Key to General Chemical Resistance all data based on 72 176 22 176 C unless noted A Excellent – No Effect C Fair Moderate Effect not recommended B Good Minor Effect slight corrosion or discoloration D Severe Effect not recommended for ANY use It is the sole responsibility of the system How 316 stainless steel corrosion resistance can vary by manufacturer Determine the corrosion rate of uncoated 316 stainless steel when immersed in bleach How the Dursan 174 coating can significantly improve the corrosion resistance of 316 stainless steel and reduce the corrosion rate variation between manufacturers and heat lots Stainless steel is known to be corrosion Stainless steel provides both strength and corrosion resistance inside the concrete providing a long maintenance free service life of the structure Corrosion of unprotected carbon steel occurs even inside reinforced concrete structures as chlorides present in the environment marine deicing diffuse through the concrete Corrosion products rust have a higher volume 316L Stainless Steel Chemical Compatibility Chart ver 10 Jan 2020 industrials Key to General Chemical Resistance all data based on 72 176 22 176 C unless noted Explanation of Footnotes 1 – Satisfactory to 120 176 F 48 176 C A Excellent – No Effect C Fair Corrosion Resistance Chart The figures quoted in the table below based on BS 6501 – 2004 standard and present the following categories of resistance to corrosion Category 1 – recommended excellent resistance Category 2 – partially resistant not recommended for continuous use Category 3 – not recommended for ANY use

2018 10 30 nbsp 0183 32 Consider the corrosion resistance of this family of stainless steels to be moderate to good with those levels increasing with chromium content Ferritic stainless steel contains iron chromium alloys with body centered cubic crystal structures they are plain chromium stainless steels with varying chromium content between 12 and 18 But that means they are a bit more general corrosion resistance Dual certified material combines low carbon of the L grade with the higher strength of 316 317L S31703 11 6 18 3 1 65 C 0 02 N 0 05 Si 0 4 Mn 1 5 317L is a molybdenum containing austenitic stainless steel with improved corrosion resistance over 304L and 316L stainless steel Rolled Alloys 4RESISTANCE CHART RATINGS CHEMICAL EFFECT A No effect Excellent B Minor effect Good 2 Polypropylene Satisfactory to 72 176 F 302 Stainless Steel 304 Stainless Steel 316 Stainless Steel 440 Stainless Steel Aluminum TITANIUM NICKEL ALLOY C276 HASTELLOY 2002 01 08 nbsp 0183 32 A protective oxide layer present on the surface of stainless steel determines its corrosion resistance However this oxide layer is vulnerable to damage under certain conditions such as in reducing acids or in certain combustion mechanism having a reduced atmosphere Certain areas of the component such as sharp re entrant corners or overlapping surfaces have stainless steel has the more positive corro 1Accelerated corrosion of a metal due to the effect of a corrosion ele ment Other factors include concentration elements aeration elements and active passive elements sion potentialofthe metalsin contact hence there is usually a corrosion hazard for the partner material

Corrosion resistance table Stainless steels can be susceptible to certain localised corrosion mechanisms namely crevice corrosion pitting intercrystalline corrosion stress corrosion cracking and bimetallic galvanic corrosion Localised corrosion is often associated with chloride ions in aqueous environments 2013 02 18 nbsp 0183 32 There are over 200 different types of stainless steel each with a different range of properties However five types account for the bulk of usage and most products are generally made from two of these types known as 304 and 316L grade 304 is an excellent general grade of stainless steel 316L contains molybdenum and has a low carbon content less then 0 03 2013 02 18 nbsp 0183 32 Stainless Steel Corrosion Chart February 18 2013 February 19 2013 Rowan Maulder 1 Comment Stainless steel is a durable versatile and hygienic material that is resistant to corrosion and looks good Technically stainless steel is the name given to steels containing a minimum of 11 chromium In practice most stainless steels contain 18 chromium to General corrosion Stainless steels are defined as being characterized by particularly high resistance to chemical attack by aqueous media In general they con tain at least12 by weight of chrome and a maximum of1 2 carbon The reason for their high resist ance to corrosion is a passive layer that forms on the surface This consists of a metal oxide or hydroxide layer rich Stainless Steel Chemical Resistance Chart Chemicals M O A Excellent B Good Minor Effect slight corrosion or discoloration C Fair Moderate Effect not recommended for continuous use Softening loss of strength swelling may occur D Severe Effect not recommended for ANY use N A Information Not Available Temperature Conversion 176 F 1 8 x 176 C 32 176 C Continue

Compatibility chart Corrosion Resistance table Products Corrugated Stainless Steel Hose Hose series A100 Hose series A101 Hose series A102 Hose series A200 Hose series A300 Hose series A302 Stainless steels may suffer general corrosion or various types of localised corrosion Resistance to general corrosion is usually classified as follows 0 resistant to general corrosion mass loss rate lt 0 1 g h 183 m 178 corresponding to a corrosion rate lt 0 11 mm thicknessCorrosion Resistance Chart Aluminum Brass Bronze Hastelloy C 276 Malleable Iron Carbon Steel Monel Stainless Steel 304 Stainless Steel 316 Nylon Polypropylene Seal Material Acetate Solvents Crude 1 X X 1 2 2 1 1 A X T Acetate Solvents Pure 1 1 1 1 X 1 1 1 A X T Acetic Acid 80 3 X X 1 X 1 1 1 X X TEVNBSpecifi c gravity stainless steels and other metals Combined unit W N Specifi c gravity Carbon steel 7 8 Titanium 4 5 Corrosion resistance table 14 Technical Data Corrosion resistance table Medium Chemical formula Concentration Temp 176 C 304 cr 18 ni 9 cr 17 316 ni 12 mo 2 5Corrosion resistance lower than 304 Good resistance to corrosion good for malleability and weldability Most commonly used grade Wine storage laundry and kitchen products water food architectural cryogenic and high temperature applications UGIMA 304 – improved machinability bar with same properties Corrosion resistance as for 304

Nitronic 60 is a high performance stainless steel alloy with excellent gall and wear resistance with corrosion resistance falling between 304SS and 316SS but with approximately twice the yield strength Nitronic 60 is used for valve trim when extreme wear resistance or strength is 281 8 Materials Corrosion Resistance Tables Included among the criteria for meter selection are the materials to be utilized Of pri mary interest are those materials which come in contact with the measuring medium Corrosion Resistant Materials and Coatings For installations where extreme corrosive fumes are encountered stainless steel but can be specified Monel for special service A modification can be furnished with special flange drilling to meet chemical plant specifications Hartzell can also furnish coatings to resist attack to fans made of metal When conditions are moderate and the 416 Free machining variation of 410 with useful corrosion resistance to natural food acids basic salts water and atmospheres 430 Is the most popular of the non hardenable chromium stainless steels It combines good corrosion and heat resistance with good mechanical properties Oxidation resistance to 1500 deg F widely used in both Common metals and their corrosion resistance to aggressive fluids like acids bases and more For full table with Durimet Monel Hasteloy Titanium Cobalt Base Alloy and 416 Stainless Steel rotate the screen Corrosion Resistance 1 Good 2 Be Careful 3 Not Usable Fluid Metal Carbon Steel Cast Iron 302 and 304 Stainless Steel 316 Stainless Steel Bronze Durimet Monel