Material No.: K 31918
Description
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|
Chemical Composition
| C | Mn | P | S | Si | Ni | V | Cr+Mo+ Cu | ||
|---|---|---|---|---|---|---|---|---|---|
| K 31918 | Min % | 0,31 | 0,18 | 3,18 | |||||
| Max % | 0,19 | 0,64 | 0,025 | 0,025 | 0,37 | 3,82 | |||
| 1.5637 | Min % | 0,30 | 3,25 | ||||||
| Max % | 0,15 | 0,80 | 0,020 | 0,010 | 0,35 | 3,75 | 0,05 | 0,50 | |
Physical properties
| Property | Value |
|---|---|
| Density: kg/dm3 | 7,85 |
| Hardness: (HB) | --- |
| Permeabilität bei 20°C | --- |
| 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) |
|---|---|---|---|---|---|
| 20 /4 | 36 (--) | 207 (--) | |||
| -25 / -13 | 34 (--) | 210 (--) | 11 (--) | ||
| -50 /-58 | 33 (--) | 211 (--) | 11 (--) | ||
| -100 /-148 | 31 (--) | 214 (--) | 10 (--) | ||
| -150 / -238 | 28 (--) | 216 (--) | 10 (--) |
| Temperature | Tensile strenght In low temperatures | tensile elastic limit In low temperatures | Elongation A5 In low temperatures |
|---|---|---|---|
| ° C / ° F | N/mm2 /ksi | N/mm2 /ksi | % |
| - 20 / -4 | 460 / 66,7 | 365 / 52,9 | 20 |
| - 50 / -58 | 490 / 71,0 | 385 / 55,8 | 20 |
| - 80 /-112 | 520 / 75,4 | 410 / 59,4 | 19 |
| -120 / -184 | 580 / 84,1 | 450 / 65,2 | 18 |
| ksi value calculated | |||
Mechanical properties (20°C / 68°F)
| 0,2% Yield strength Rp0,2 (Mpa)/ksi | >= 345 />=50,0 | ||
|---|---|---|---|
| Tensile strenght Rm (Mpa) /ksi | 440-620 /63,8 - 89,9 | ||
| Elongation A5 (%) | >=22/ >=20 | lengthwise/transverse | |
| impact work ( ISO-V/Charpy V) | >= 45- >= 65 | lengthwise/transverse | |
Temparature information
| Application area | ||
|---|---|---|
| Operation temperature | -148 ºF to 572 ºF | |
| Hardness | ||
|---|---|---|
| Working temperature | 1508 ºF to 1598 ºF | |
| Explanation report | cooldown :water ,oil | |
| Solution heat treatment | ||
|---|---|---|
| Working temperature | 2012 ºF to 1562 ºF | |
| Tempering | ||
|---|---|---|
| Working temperature | 1076 ºF to 1184 ºF | |
| Explanation report | cooldown:water / | |
| Processing informations | air | |
| Normalizing | ||
|---|---|---|
| Working temperature | 1526 ºF to 1616 ºF | |
| Explanation report | cooldown : water/air | |
Standards / information
| Standards | Desciption |
|---|---|
| ASTM A 333 | Standard Specification for Seamless and Welded Carbon and Alloy -Steel Tubes for LOW -Temperature Service |
Process information
Main fields of application
| Details of application | |
|---|---|
| Certifications | |
| machine building | Kältemaschinen (bis -100°C) |
| Apparatus engineering |
Range of products
| Product type | Product |
|---|---|
| Plates / Sheets | plates/sheets plate/sheet cuts |
| Fittings | welded elbows welded reductions Welded T-pieces seamless elbows seamless reductions seamless T-pieces Other Fittings a.o. Weldolets, Nipples |
| 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.(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