AFNOR H20 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | H20 | AFNOR | France |
Chemical composition % of the ladle analysis of grade H20
| 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) |
|---|---|---|---|---|---|---|
| 295 (≥) | 327 (≥) | 22 | 31 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 |
| 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 |
|---|---|---|---|---|---|---|---|
| 517 (≥) | 557 (≥) | 33 | 22 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 226 | 654 | 988 |
| 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 |
|---|---|---|---|
| GH2018 | AFNOR | France | Classification and designation for superalloys and high temperature intermetallic materials |
| GH2036 | AFNOR | France | Classification and designation for superalloys and high temperature intermetallic materials |
| GH2038 | AFNOR | France | Classification and designation for superalloys and high temperature intermetallic materials |
| 08X10H20T2 | AFNOR | France | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 10X11H20T3P | AFNOR | France | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 20X25H20C2 | AFNOR | France | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 07X17H20M2Д2T | AFNOR | France | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 1OXl1H20T2P | AFNOR | France | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 10X12H20T2 | AFNOR | France | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 10Xl1H20T2P(ЭИ696A) | AFNOR | France | Russia GOCT standard deformation of high temperature alloy grades and chemical composition |
| ISO H20 | AFNOR | France | Nickel and nickel alloy forgings |
| H20 | AFNOR | France | Hot-Work Tool Steel |