ASTM 20CrEnquiry|Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | 20Cr | ASTM | USA | 
Chemical composition%of the ladle analysis of grade20Cr
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | 
|---|---|---|---|---|---|---|
| Max 0.30 | Max 1.50 | Max 1.00 | Max 0.040 | Max 0.040 | 18.0-21.0 | Max 2.0 | 
| 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) | 
|---|---|---|---|---|---|---|
| 578(≥) | 143(≥) | 43 | 21 | 43 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 122 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 677(≥) | 558(≥) | 42 | 23 | 21 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 131 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 411 | 753 | 515 | 
| 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 | 
|---|---|---|---|
| X20Cr13 | ASTM | USA | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes   | 
| 1.4021 | ASTM | USA | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes   | 
| X20CrMo13 | ASTM | USA | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments  | 
| 1.4120 | ASTM | USA | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments  | 
| X20Cr13 | ASTM | USA | Open die steel forgings for general engineering purposes - Part 4: Stainless steels  | 
| 1.4021 | ASTM | USA | Open die steel forgings for general engineering purposes - Part 4: Stainless steels  | 
| X20Cr13 | ASTM | USA | Open die steel forgings for general engineering purposes - Part 4: Stainless steels  | 
| 1.4021 | ASTM | USA | Open die steel forgings for general engineering purposes - Part 4: Stainless steels  | 
| 20CrMnVTiB4-10 | ASTM | USA | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties  | 
| X20Cr13 | ASTM | USA | Stainless steels - Chemical composition  | 
| X20CrMoNiNbV11-1 | ASTM | USA | Wrought steels for use at elevated temperatures in engines  | 
| X12CrNiMoV12-3 | ASTM | USA | Wrought steels for use at elevated temperatures in engines  | 
| X220CrVMo12-2 | ASTM | USA | High alloyed CrVMo steel  | 



