| Grade : | 14KH17N2 ( 14Х17Н2 ) ( 1Х17Н2 ЭИ268 ) |
| Substitute: | 20Х17Н2 |
| Classification : | Corrosion-resistant high-temperature steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 14KH17N2 ( 14Х17Н2 )
| C | Si | Mn | Ni | S | P | Cr | Ti | Cu |
| 0.11 - 0.17 | max 0.8 | max 0.8 | 1.5 - 2.5 | max 0.025 | max 0.03 | 16 - 18 | max 0.2 | max 0.3 |
Temperature of critical points for grade 14KH17N2 ( 14Х17Н2 ).
| Ac1 = 720 , Ac3(Acm) = 830 , Ar1 = 700 |
Mechanical properties under Т=20oС for grade 14KH17N2 ( 14Х17Н2 )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Bar, GOST 5949-75 | Ø 60 | 1080 | 835 | 10 | 30 | 490 | Guenching 975 - 1040oC, oil, Drawing 275 - 350oC, air, | |
| Bar, GOST 5949-75 | Ø 60 | 835 | 635 | 16 | 55 | 750 | Guenching 1000 - 1030oC, oil, Drawing 620 - 660oC, air, | |
| Forging, GOST 25054-81 | to 1000 | 686 | 539 | 12-15 | 30-40 | 490-590 | Guenching 980 - 1020oC, oil, Drawing 680 - 700oC, air, | |
| Sheet trick, GOST 7350-77 | 1080 | 885 | 10 | Guenching and drawing |
| Brinell hardness for 14KH17N2 ( 14Х17Н2 ) (quenching, tempering) , GOST 25054-81 | HB 10 -1 = 228 - 293 MPa |
| Brinell hardness for 14KH17N2 ( 14Х17Н2 ) (annealing) , Bar GOST 5949-75 | HB 10 -1 = 285 MPa |
| Brinell hardness for 14KH17N2 ( 14Х17Н2 ) (annealing) , Bar GOST 18907-73 | HB 10 -1 = 302 MPa |
Technological properties for grade 14KH17N2 ( 14Х17Н2 )
| Weldability: | hard weldability. |
| Temper brittleness: | predisposed |
Physical properties for grade 14KH17N2 ( 14Х17Н2 )
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
| 20 | 1.97 | 20.9 | 7750 | 720 | ||
| 100 | 9.8 | 21.7 | 780 | |||
| 200 | 10.6 | 22.6 | 840 | |||
| 300 | 1.67 | 10.8 | 23.4 | 890 | ||
| 400 | 11 | 24.3 | 990 | |||
| 500 | 1.51 | 11.1 | 25.1 | 1040 | ||
| 600 | 1.36 | 11.8 | 25.9 | 1110 | ||
| 700 | 11 | 26.8 | 1130 | |||
| 800 | 10.7 | 28 | 1160 | |||
| 900 | 11.4 | 29.7 | 1170 | |||
| 1000 | 11.5 | 1180 | ||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 14KH17N2 ( 14Х17Н2 )
| USA | Germany | Japan | France | England | ||||||
| - | DIN,WNr | JIS | AFNOR | BS | ||||||
|
|
|
|
|
Types of delivery of grade 14KH17N2 ( 14Х17Н2 )
| B03 - Metal forming treatment. Forgings |
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| В32 - Graded and shaped rolling |
| B33 - Sheets and Strips |
Specification :
| Mechanical properties : | |
| sв | - Tensile strength , [MPa] |
| sT | - Yield stress, [MPa] |
| d5 | - Specific elongation at fracture , [ % ] |
| y | - Reduction of area , [ % ] |
| KCU | - Impact strength , [ kJ / m2] |
| HB | - Brinell hardness , [MPa] |
Physical properties : | |
| T | - Test temperature , [Grade] |
| E | - Young modulus , [MPa] |
| a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
| l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
| r | - Density , [kg/m3] |
| C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
| R | - Electrical resistance , [Ohm·m] |
Weldability : | |
| without limitations | - welding is done without heating and subsequent heat treeting |
| limited weldability | - welding is possible under heating up to 100-120 grade and subsequent heat treeting |
| hard weldability | - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing |
14KH17N2 ( 14Х17Н2 ) - Corrosion-resistant high-temperature steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys
| © 2003 - 2024 Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use. |