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ASTM H41 Details
ASTM H41 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Tool Die Steels | H41 | USA - ASTM , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.60 | 0.75 | ||
| Si | 0.20 | 0.45 | ||
| Mn | 0.15 | 0.40 | ||
| P | - | 0.030 | ||
| S | - | 0.030 | ||
| Cr | 3.50 | 4.00 | ||
| Mo | 8.20 | 9.20 | ||
| V | 1.00 | 1.30 | ||
| W | 1.40 | 2.10 | ||
| Ni＋Cu | - | 0.75 |
| 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) |
|---|---|---|---|---|---|---|
| 998 (≥) | 839 (≥) | 42 | 13 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
| 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 |
|---|---|---|---|---|---|---|---|
| 885 (≥) | 842 (≥) | 22 | 43 | 22 | 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 |
|||||
| 884 | 392 | 785 |
| 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 |
|---|---|---|---|
| GH4133 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
| GH4169 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
| GH4118 | GB | China | Iron-based superalloy |
| GH4141 | GB | China | Iron-based superalloy |
| GH4145 | GB | China | Nickel-base superalloy |
| GH4146 | GB | China | Nickel-base superalloy |
| GH4180 | GB | China | Nickel-base superalloy |
| H41400 | AISI | USA | Steel for intake valves |
| H41 | ASTM | USA | Hot-Work Tool Steel |
| H41 | SAE | USA | Hot-Work Tool Steel |