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SAE H24 Details
SAE H24 Standard Download
H24 Application:Hot-Work Tool Steel
Category | Type | Grade | Designations |
---|---|---|---|
Grades | Tool Die Steels | H24 | USA - SAE , |
Chemical composition(wt.%) of H24 grade:
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.45 | ||
Si | 0.20 | 0.40 | ||
Mn | 0.20 | 0.40 | ||
Cr | - | 3.00 | ||
Mo | - | - | ||
V | - | - | ||
W | - | 15.00 |
Mechanical properties of grade H24
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) |
---|---|---|---|---|---|---|
678 (≥) | 722 (≥) | 32 | 32 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
Physical properties of grade H24
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 |
---|---|---|---|---|---|---|---|
413 (≥) | 346 (≥) | 21 | 32 | 11 | 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 |
|||||
622 | 296 | 811 |
H24 - Form of Supply
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 |
Cross Reference Table(Equivalent Grade)
Grade | Standard | Country | Application |
---|---|---|---|
08X15H24B4TP | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
H24 | ASTM | USA | Hot-Work Tool Steel |
H24 | SAE | USA | Hot-Work Tool Steel |
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