Duplex 2205 is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steels. Sandvik saf 2205 has a chemical composition within uns s32205, which is optimized within the uns s31803 range in order to provide a high pre value. Duplex and superduplex stainless steel pipes are manufactured to astm a790 seamless and astm a928 class 1 weldedefw available in grades duplex uns s31803 32205 and uns ss32750. Stainless steels contain larger amounts of chromium in comparison with other steels and thus have good corrosion resistance. Grades stainless steel duplex grade astm a815 s31803, 2205, en 1. The minimum cr, mo and ni contents of ati 2205 alloy 22. Astm a790, a358 asme sa790, sa358 dimension standard. Trade name uns duplex industry specifications chemical composition min. The duplex uns s31803 grade is the most frequently used duplex grade. Duplex and superduplex stainless steel pipe welded and. Duplex and superduplex stainless steel pipes are manufactured to astm a790 seamless and astm a928 class 1 weldedefw astm a928 lass 1 only available from 8 onwards only in duplex uns s31803 32205 sh10s.
Being a twophase austeniticferritic material, sandvik saf 31803 will present a different tool wear profile from that of single phase steels of types astm 304304l and 316316l. Jis standard saf 2205 duplex stainless steel seamless. Referenced documents purchase separately the documents listed below are referenced within the subject standard but are not provided as part of the standard other standard. We supply astm a928 duplex stainless steel efw pipes in specification asme sa astm a789, a790, a928 and grades uns s32205, uns s31803, uns s32750, uns s32760, saf 2205, saf 2507 etc. The duplex uns s31803 s32205 stocks of stainalloy are manufactured in accordance with astm requirements. S31803 18702010 10201100 rapid cooling in air or water s32003 18502050. A370 test methods and definitions for mechanical testing of steel products. Grade 2205 stainless steel is a duplex stainless steel whose design enables combining improved resistance to pitting, high strength, stress corrosion, crevice. Super duplex s32750 s32760 super duplex stainless steel.
Duplex stainless steel pipe astm a789 astm a790 astm. Astm a815 uns s32750 super duplex steel butt weld pipe. Astm a790 sa790 uns s31803 uns s32205 astm a928 sa928 uns s31803 uns s32205 astm a815 sa815 uns s31803 uns s32205 astm a182 sa182 f51 f60 astm a182 sa182 f51 f60 dimensions to. Uns s31803 duplex stainless steel uns s31803 duplex stainless steel stockholders and suppliers, delivering to the whole of the uk. Astm a790 a790m 12 standard specification for seamless. West yorkshire steel are suppliers of uns s31803, a chromium nickel molybdenum austenitic ferritic grade. The pipe shall be made by the seamless or an automatic welding process, with no addition of filler metal in the welding. The ranking given by the pre number has been confirmed in laboratory tests. It is ferrite or austenite stainless steel with a microstructure of 50.
Astm a790 covers seamless and straightseam welded ferriticaustenitic duplex stainless steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. Dealer price of high quality astm a790 duplex steel uns s32205 pipe call. Trade name uns super duplex industry specifications chemical composition min. Astm a240 uns s31803 duplex stainless steel plates uns. Super duplex uns s32750s32760 stainalloy masters in. Astm a790 asme sa790, astm a789 asme sa a789 astm a790 duplex steel uns s31803 pipe size.
Some allowance should be made for its high strength and the resulting greater springbok. Astm a790 specification stands for seamless and welded tube uns s31803, uns s32205, uns s32750, uns s32760 of stainless steel. The cutting speed must, therefore, be lower than that recommended for astm 304304l and 316316l. It combines improved resistance to stress corrosion cracking, pitting, crevice corrosion and high strength in. These tubes can be readily sheared and shaped by bending, drawing, pressing, and other common procedures. The grade indicates the testing methods required for a given application. Most of the stainless steels contain about 10% of chromium. Typicalapplications machinabilitywelding pumps,valves,chokes,xmastrees,pipeworkflanges. Duplex pipe manufacturers in india, top duplex 2205 tube.
Astm a815 uns s31803 equal tee supplier of quality. Equal tee astm a815 wps uns s31803 is a duplex stainless steel tee. Nas 329j3l uns s32205, s31803 nas high corrosion resistant duplex stainless steel steel gradestandard nas jis g43044305 astm a240 en 100882100287 nas 329j3l sus 329j3l uns s32205s31803 1. Astm a790 duplex stainless steel seamless welded pipe supplier. Astm a790 duplex steel uns s31803 pipe specification. South korea a790 astm a789 latest 2018 price list, duplex 2205 material grades uns s31803 pipe tube tubing today sale offers, grade uns s32205 pipe tube tubing best price list, duplex steel 2205 pipe tube tubing duplex 2205 grade a790 pipe tube tubing, duplex astm a789 pipe tube tubing and a815. Duplex steel pipe, duplex 2205 pipe, uns s32205 s31803. Duplex uns s31803 uns s32205 duplex stainless steel. Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Duplex steel s31803 pipe supplier, manufacturer in mumbai.
Duplex stainless steel 2205, uns s31803, uns 32205. Duplex steel material 2205 grades uns s32205 31803 pipes. Piping material specification 1sp1s01 class 150, 2205. Snttc1a personal qualification and certification in nondestructive testing. Stock size range and specifications for duplex steel s31803 pipe. The remainder is ferritic iron duplex s32205 has a somewhat larger proportion of trace elements in comparison to s31803. Duplex describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. From the description, we can know a815 is the standard code, wp is grade, s31803 is the uns. In material uns s32205, the minimum chromium, molybdenum and nitrogen content has been increased. Astm a790 a790m12, standard specification for seamless and welded ferriticaustenitic stainless steel pipe, astm international, west conshohocken, pa, 2012. Stainless 2205, duplex 2205, uns s31803, stainless steel.
The grade generally has a higher corrosion resistance compared to the austenite steels. The s32205 alloy has 22 to 23 % of chromium, 3 to 3. Welded a928 uns s31803, astm a790 uns s31803 tube, sa 790 uns s31803 tubing manufacturers in india astm a790 uns s31803 is a specification in duplex steel material. The material combines good mechanical strength and ductility with moderate to good corrosion resistance in a variety of environments. Stainless steel duplex 2205, uns s31803, uns s32205, wnr 1. This ranking can generally be used to predict the performance of an alloy in chloride containing environments. This microstructure ensures that 2205 is much more resistant to stress corrosion cracking than ss 304 or 316l. Astm asme sa240 duplex steel uns s31803 sheets, duplex steel s31803 shim sheets, uns s31803 hot rolled plates, duplex uns s31803 coils supplier in india. Astm a790 uns s31803, sa 790 uns s31803, duplex uns. Ss 2205 is a duplex stainless steel with a microstructure of nearly equal proportions of austenite and ferrite, when properly heat treated. Markings on stainless steel duplex 2205, uns s31803, uns s32205, wnr 1.