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SAE H12 Details
SAE H12 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Tool Die Steels | H12 | USA - SAE , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.30 | 0.40 | ||
| Si | 0.80 | 1.20 | ||
| Mn | 0.20 | 0.40 | ||
| Cr | 4.75 | 5.50 | ||
| Mo | 1.25 | 1.75 | ||
| V | 0.10 | 0.50 | ||
| W | 1.00 | 1.70 |
| 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) |
|---|---|---|---|---|---|---|
| 597 (≥) | 168 (≥) | 42 | 42 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
| 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 |
|---|---|---|---|---|---|---|---|
| 176 (≥) | 811 (≥) | 44 | 13 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 745 | 649 | 388 |
| 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 |
|---|---|---|---|
| 15X18H12C4TЮ | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 03X18H12 | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 03X18H12T | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 12X18H12T | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 08X18H12Б | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 05X21H12Γ2БPЩ | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 08X18H12T | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 08X19H12TΦ | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 08X20H12AБΦ | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 20X12H12Γ6 | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| ISO H12 | ISO | International | Stainless steels - Chemical composition |
| H12 | ASTM | USA | Hot-Work Tool Steel |
| H12 | SAE | USA | Hot-Work Tool Steel |