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Technical information Chapter 3: Applications of Common Stainless Steel Alloys EN 1.4541 / AISI 321 Titanium stabilized 4301. Ti binds the carbon (Chapter 2+4), and the steel is therefore less prone than 4301 towards sensitization and intergranular corrosion. This makes 4541 better than 4301 for welding, in particular in the case of thick specimens. With regard to corrosion and weldability, 4541 corresponds closely to 4307 and is traditionally used widely, in particular in Germany. Theoretically, 4541 is slightly stronger (mechanically) than 4301, but may produce yellow welds when nitrogen containing purge gas is used (i.e. formier gas) and is harder to polish properly. EN 1.4550 (AISI 347) is the niobium alloyed 18/8 possessing almost the same properties as the 4541. EN 1.4571 / (AISI 316Ti) Titanium stabilized 4301 and thus the acid resistant equivalent to 4541 and the most widely used stainless steel type in the German industry. As above, the use of titanium alloyed austenites is mostly based on conservatism, and like 4307 vs. 4541, there are rarely any problems by changing from 4404 to 4571 – and vice versa. The marginal differences in between 4571 and 4404 are the same as between 4541 and 4307 (see EN 1.4541 above). Heat Resistant Austenitic Steel: EN 1.4828 / AISI 309 Lowest alloyed high-temperature stainless steel, resembling the standard 4301 a lot, apart from the fact that the 4828 contains in between 1.5 and 2.5 % silicon (Si) to improve the resistance towards scaling. EN 1.4841 / AISI 314 Very high-alloyed stainless steel containing 24-26 % Cr and 19-22 % Ni. Compared to the 4828 above, the 4841 possesses improved mechanical properties as well as corrosion and scaling properties. The main disadvantage is the high Ni content making the alloy expensive and economically unstable. Duplex Steel: EN 1.4460 / AISI 329 The original, ”classical” duplex steel and the only one classified in the AISI system. At 25-28 % Cr,1.30-2.0 % Mo and 4.5-6.5 % Ni, the 4460 contains more than 50 % ferrite (the rest being austenite), causing the steel to possess excellent hardness and mechanical strength. Only available as rods and frequently used for high-performance axels. EN 1.4462 / ”2205” At 22 % Cr, 5 % Ni and 3 % Mo, the 4462 is the most widely used duplex stainless steel. A high mechanical strength combined with excellent corrosion resistance makes the 4462 very useful as construction steel. Superior to the “acid resistant” 4401 group with respect to any type of corrosion in almost any environment, in particular SCC. The main drawbacks are the limited availability and the increased manufacturing expenses, including cold deformation and welding. 291 www.damstahl.com 01.2013
Chapter 3: Applications of Common Stainless Steel Alloys Precipitation Hardening Steel: EN 1.4542 / – Rare steel from a rare group. Containing 14-17 % Cr, 4542 normally possesses a corrosion resistance somewhere in between the hardenable martensites and the austenitic 4301. The 3 % Cu makes the steel hardenable through heating, although the possible hardness is lower than that of the martensites. A typical application is high-quality golf irons (!), such as Callaway Big Bertha or Ping G10. www.damstahl.com 01.2013 292
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Produktkatalog Damstahl - a member
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Damstahl - a memeber of the NEUMO-E
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Levnedsmiddelfittings / Hygienic fi
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A Levnedsmiddelfittings / Hygienic
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Unionsoversigt Union survey DIN Sve
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Clampoversigt Clamp survey DIN Mini
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Gevindfittings / Threaded fittings
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Klemringsfittings / Compression fit
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Klemringsfittings / Compression fit
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Kuglehaner / Ball valves Kuglehane
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Svejsefittings Flanger Indhold - Sv
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Bøjning N112 Svejst bøjning, 90°
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Rørholder N114 Rørholder med svej
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Rørholder N115 Rørholder i par, m
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Konus N124 Svejste konus, koncentri
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Konus N 124 Svejste konus, koncentr
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T-stykke N127 Svejst t-stykke, opkr
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T-stykke N128 Svejst t-stykke, pres
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Endebund N140 Endebund, kløpperfor
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Svejsekrave N116 Svejsekraver, ISO
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Løsflange N118 Løsflange af alumi
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Løsflange N120 Løsflange, NT 16,
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Løsflange N121 Galvaniseret løsfl
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Svejseflange N123 Svejseflange med
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Blindflange N126 Blindflange, NT 10
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Pressfittings / Pressfittings Muffe
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Pressfittings / Pressfittings Bøjn
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Pressfittings / Pressfittings Overg
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Pressfittings / Pressfittings Adapt
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Pressfittings / Pressfittings T-sty
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Pressfittings / Pressfittings T-sty
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Pressfittings / Pressfittings Venti
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Pressfittings / Pressfittings Bøjn
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Pressfittings / Pressfittings Rørb
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Pressfittings / Pressfittings Pakni
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Rørkoblinger Index - Rørkoblinger
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Rørkobling N200 Rørkobling, NT 10
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Rørkobling N205 Rørkobling, træk
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Koldtvalsede plader Glødede og bej
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Koldtvalsede plader Slebne 1 side,
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Varmtvalsede båndplader Glødede o
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Varmtvalsede tåreplader Glødede o
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Stangstål / Bars Rundstål Varmval
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Stangstål / Bars Rundstål Varmtva
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5.000 m 2 på et år! Stangstål og
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Stangstål / Bars Rundstål, Blankt
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Stangstål / Bars Sekskantet Rustfr
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Stangstål / Bars Fladstål Varmtva
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Stangstål / Bars Fladstål Varmtva
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Stangstål / Bars Fladstål Blanktr
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Stangstål / Bars Fladstål Slebet
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Stangstål / Bars Vinkelstål Glød
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Stangstål / Bars b TB-profiler Las
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Svejste stålrør Kalibrerede og gl
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Svejste stålrør Kalibrerede og gl
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Svejste stålrør Ikke glødede Wel
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Svejste stålrør Ikke glødede Wel
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SUPER DAIRY ® - reducer risikoen f
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Svejste levnedsmiddelrør, DS Indve
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Svejste profilrør Slebne eller usl
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Sømløse rør / Seamless tubes Sø
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Emnerør Glødede og bejdsede Hollo
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Tolerancer for emnerør Rustfrie og
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Tolerancer for emnerør Rustfrie og
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Videnspakker BLUE-IQ Vælg den vide
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Damstahl - meget mere end rustfrit
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Index - Teknisk information 1 Hvad
Page 204 and 205: Teknisk information Kapitel 1: Hvad
Page 206 and 207: Teknisk information Kapitel 2: Rust
Page 208 and 209: Teknisk information Kapitel 3: Anve
Page 218 and 219: Teknisk information Kapitel 5: Ferr
Page 226 and 227: Teknisk information Kapitel 6: Bear
Page 232 and 233: Teknisk information Kapitel 7: Kemi
Page 234 and 235: Teknisk information Kapitel 8: Svej
Page 240 and 241: Kapitel 9: Tabel over de hyppigst a
Page 242 and 243: Teknisk information Kapitel 10: Nor
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Page 246 and 247: Technical information Chapter 1: Wh
Page 248 and 249: Technical information Chapter 2: Th
Page 250 and 251: Technical information Chapter 3: Ap
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Page 256 and 257: Technical information Chapter 4: Co
Page 262 and 263: Technical information Chapter 5: Fe
Page 274 and 275: Technical information Chapter 7: Ch
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Page 278 and 279: Technical information Chapter 8: We
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Page 287: Damstahl a/s Danmarksvej 28 DK-8660
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