Material No.: alloy 28
Description
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Chemical Composition
C | Si | Mn | Cr | Mo | Ni | Cu | S | P | Fe | N | ||
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alloy 28 | Min % | 26,0 | 3,00 | 30,0 | 0,60 | balance | ||||||
Max % | 0,03 | 1,0 | 2,50 | 28,0 | 4,00 | 34,0 | 1,40 | 0,030 | 0,030 | balance | ||
ASTM B 668 (S 080289 (Alloy 28) | ||||||||||||
1.4563 | Min % | 26,00 | 3,00 | 30,00 | 0,70 | |||||||
Max % | 0,02 | 0,70 | 2,00 | 28,00 | 4,00 | 32,00 | 1,50 | 0,010 | 0,030 | 0,110 | ||
(Key to steel 2010) | ||||||||||||
N 08028 | Min % | 26,0 | 3,00 | 30,0 | 0,60 | balance | ||||||
Max % | 0,030 | 1,00 | 2,50 | 28,0 | 4,00 | 34,0 | 1,40 | 0,030 | 0,30 | balance | ||
ASTM B 668 (UNS 08028) |
Physical properties
Property | Value |
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Density: kg/dm3 | 8,0 |
Hardness: HB | <=215 |
polishable | yes |
Temperature T °C/F (°C/F) | Specific heat J / kgK (Btu / lb °F) | Thermal conductivity W/mK (Btu·in / ft2·h·°F) | Electric resistance µΩ · cm (Ω circ mill / ft) | Modulus of elasticity kN/mm2 (103 ksi) | Expansion rate from 70°F bis T 10-6 / K (10-6 / °F) |
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20 / 68 | 450(--) | 12 (--) | 1,0 (--) | 197 (--) | |
100 / 212 | 15,8 (--) | ||||
200 / 392 | 16,1 (--) | ||||
400 / 752 | 16,9 (--) | ||||
500 /932 | 17,3 (--) |
Temperature | 0,2 % Yield strength in high temperatures | 1,0% Yield strength in high temperatures | Tensile strenght in high temperatures |
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°C / °F | Rp 0,2 | Rp1,0 | Rm | N/mm2 / ksi | N /mm2 / ksi | N/mm2 /ksi |
50 / 122 | 200 / 29 | 230 / 33,3 | 485 / 70,3 |
100 / 212 | 190 / 27,5 | 220 / 31,9 | 460 / 66,7 |
200 / 392 | 160 / 23,2 | 190 / 27,5 | 430 / 62,3 |
300 / 572 | 150 / 21,7 | 180 / 26,1 | 400 / 58,0 |
400 / 752 | 135 / 19,6 | 165 / 23,9 | |
500 / 932 | 120 7 17,4 | 150 / 21,7 | |
ksi value calculated |
Mechanical properties (20°C / 68°F)
0,2% Yield strength (Mpa / ksi) | <214 / <73 | ||
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Tensile strength (Mpa/ ksi) | <500 /<73 | ||
Elongation % | 40 | 2 in(50,88mm) |
Temparature information
Application area | ||
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Operation temperature | ºF to 662 ºF | admitted operating temperature |
Solution heat treatment | ||
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Working temperature | 1958 ºF to 2102 ºF | |
Explanation report | cool down: air ;water |
Solution heat treatment | ||
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Working temperature | 1562 ºF to 2102 ºF | |
Explanation report | cool down:air |
Standards / information
Standards | Desciption |
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ASTM B 668 | Standard Specification for UNS N 08028 Seamless Pipe and Tube |
ASTM B 709 | Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloy (UNS N08028) Plate,Sheet and Strip |
DIN 10216-5 (11/2004+B1) | Seamless steel pipes under compression load Pipes made from stainless steel |
DIN EN 10088-3 (09/2005) | stainless steels.Technical delivery conditions for semi-finished products,bars,rods,wire selection and bright products of corrosion resisting steels for general and construction purposes |
DIN EN 10217-7 | Welded steel pipes under compression load Pipes made from stainless steel |
DIN EN 10297-2 (02/2006) | Welded circular steel pipes for machine construction and general technical service stainless steel. Pipes made from stainless steel |
Process information
Cold forming | heat treatment only in danger of stress corrosion |
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Welding | |
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- Material classification acc. CEN ISO/TR 15608 | 8,2 |
- Type | protective gas manual arc welding (E) resistance welding No translation! Welding wire |
- Add. material | 2.4621;2.4653;2.465660- |
Main fields of application
Details of application | usable in sour gas conducting oil plants |
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Certifications | Nace MR 01-75 |
Chemical Industry | zur Verarbeitung von Schwefelsäure (z.B.Schwefelsäurekühler) zur Verarbeitung von Phosporsäure |
offshore plants | Rohrleitungen für Erdöl und Erdgas |
petrochemical industry | Wärmetauscher in Ölraffinerien |
Flue gas desulphurisation plants | |
cellulose/paper industry |
Range of products
Product type | Product |
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Plates / Sheets | plates/sheets plate/sheet cuts |
Fittings | welded elbows welded reductions Welded T-pieces seamless elbows seamless reductions seamless T-pieces |
Flanges / Collars / Flared tube ends | various flanges (weld neck flange,blind flange etc.) |
Pipes / Tubes | welded pipes/tubes |
Bar steel | flat steel section steel round bar steel |
Liability exclusion
All aforementioned specifications serve as a general orientation and have to be reviewed depending on the conditions of use.(c) 2012 M. Woite GmbH, Postbox, D-40671 Erkrath | Phone +49 (211) 24 40 91 - Fax +49 (211) 24 92 28 | www.m-woite.com - woite@woite-edelstahl.com