ISO ISO X55CrMnNiN20 8Enquiry|Print this page
Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | ISO X55CrMnNiN20 8 | ISO | ISO |
Chemical composition%of the ladle analysis of gradeISO X55CrMnNiN20 8
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | N(%) |
---|---|---|---|---|---|---|---|
0.50-0.60 | Max 0.25 | 7.00-10.0 | Max 0.05 | Max 0.03 | 19.5-21.5 | 1.50-2.75 | 0.20-0.40 |
Proof strength Rp0.2(MPa) | Tensile strength Rm(MPa) | Impact energy KV(J) | Elongation at fracture A(%) | Reduction in cross section on fracture Z(%) | As-Heat-Treated Condition | Brinell hardness(HBW) |
---|---|---|---|---|---|---|
315(≥) | 231(≥) | 34 | 33 | 41 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 412 |
Property | Density kg/dm3 | Temperature T °C/F | Specific heat J/kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm | Modulus of elasticity kN/mm2 | Expansion rate |
---|---|---|---|---|---|---|---|
574(≥) | 371(≥) | 11 | 32 | 11 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 214 | |
Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
139 | 314 | 615 |
Product type | Products | Dimension | Processes | Deliver Status |
---|---|---|---|---|
Plates/Sheets | Plates/Sheets | 0.08-200mm(T)*W*L | Forging,hot rolling and cold rolling | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
Steel Bar | Round Bar,Flat Bar,Square Bar | Φ8-1200mm*L | Forging,hot rolling and cold rolling,Cast | Black,Rough Turning,Shot Blasting, |
Coil/Strip | Steel Coil/Steel Strip | 0.03-16.0x1200mm | Cold-Rolled&Hot-Rolled | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
Pipes/Tubes | Seamless Pipes/Tubes,Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion,Cold Drawn,Welded | Annealed,Solution and Aging,Q+T,ACID-WASHED |
Grade | Standard | Country | Application |
---|---|---|---|
X55CrMnNiN20-8 | ISO | ISO | Valve steels and alloys for internal combustion engines |
1.4875 | ISO | ISO | Valve steels and alloys for internal combustion engines |
X55CrMnNiN20-8 | ISO | ISO | Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines |