Material No.: 1.6368
Description
| EN symbol (short) | 15iCuMoNb5-6-4 | | AFNOR | 15NiCuMoNb5-6-4 / NF EN 10028(06/2009) (FR) |
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| BS | 15NiCuMoNb5-6-4/ B.S EN 10028(06/2009) (GB) |
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| | Density kg/dm3 | 7,85 |
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| Hardness (HB) | 175-220 |
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| Composition | Alloyed stainless steel |
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| Category | Heat resistant construction steel |
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| Structure | |
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Chemical Composition
| | C | Si | Mn | P | S | Al | Cr | Cu | Mo | N | Nb | Ni |
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| 1.6368 | Min % | | 0,25 | 0,80 | | | | | 0,50 | 0,25 | | 0,015 | 1,00 |
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| Max % | 0,17 | 0,50 | 1,20 | 0,025 | 0,020 | 0,0500 | 0,30 | 0,80 | 0,50 | 0,020 | 0,045 | 1,30 |
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| (Key to steel 2010) |
Physical properties
| Property | Value |
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| Density: kg/dm3 | 7,85 |
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| Hardness: (HB) | 175-220 |
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| Temp. | Creep strain limit | Creep strain limit | Creep rupture strength | Creep rupture strength | Creep rupture strength |
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| °C / °F | 10.000 h | 100.000 h | 10.000 h | 100.000 h | |
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°C / °F | Rp0,2 / Mpa /ksi | Rp1,0 / Mpa /ksi | Mpa /ksi | Mpa /ksi | | | 400/ 752 | 324 / 46,9 | 294 / 42,6 | 402 / 58,3 | 373 / 54,0 | |
| 450 / 842 | 265 / 38,4 | 206 / 29,8 | 304 / 44,0 | 245 / 35,5 | |
| 500 / 932 | 108 / 15,6 | 49 / 7,1 | 147 / 21,3 | 69 / 10,0 | |
| ksi value calculated |
Mechanical properties (20°C / 68°F)
| tensile elastic limit (Re) Mpa/ksi | >=405 / 58,7 | lengthwise |
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| Tensile strength Rm Mpa/ksi | 610-780/88,4-113,1 |
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| Elongation A5 % | >=19/>=17 | lengthwise/transverse |
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| impact work ISO-V (J) | >=41 | lengthwise/transverse |
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Temparature information
| Application area |
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| Operation temperature | 14 ºF to 932 ºF |
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| Normalising |
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| Working temperature | 1616 ºF to 1760 ºF |
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| Explanation report | cooldown:air |
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| Solution heat treatment |
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| Working temperature | 1562 ºF to 2012 ºF |
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| Hardening |
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| Working temperature | 1616 ºF to 1760 ºF |
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| Tempering |
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| Working temperature | 1076 ºF to 1256 ºF |
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| Explanation report | cooldown:air |
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| Stress relief annealing |
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| Working temperature | ºF to 1085 ºF |
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| Processing informations | >= 2h |
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Standards / information
| Standards | Desciption |
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| DIN 100216-2(10-/2007) | Seamless steel tubes for pressure purposes.Non-alloy and alloy steel tubes with specified elevated temperature properties |
| DIN EN 10216-2(10/2007) | Stanless steel tubes for pressure purposes. Non-alloy and alloy steel tubes with specified elevated temperature properties |
| SEW 310 (08/1992) | physical properties of steel |
Process information
| Cold forming | can be formed when hot or cold |
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| Welding |
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| - Type | well weldable |
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Main fields of application
| Details of application | |
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| Certifications | AD 2000 data sheet W1-pressure containers -4°F-932°F |
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| Steam boiler construction | pressure tanks |
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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 | flared tube end
collars
various flanges (weld neck flange,blind flange etc.)
weld neck flange/blind flange |
| Bumped boiler ends / caps / round blanks | from sheets |
| Pipes / Tubes | welded pipes/tubes
seamless 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.
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