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GOST 12X25H16Γ7AP(ЭИ835) Details
GOST 12X25H16Γ7AP(ЭИ835) Standard Download
Category | Type | Grade | Designations |
---|---|---|---|
Grades | Stainless Steels | 12X25H16Γ7AP(ЭИ835) | Russia - GOST , |
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.12 | ||
Si | - | 1.00 | ||
Mn | 5.00 | 7.00 | ||
P | - | 0.035 | ||
S | - | 0.020 | ||
Cr | 23.00 | 26.00 | ||
Ni | 15.00 | 18.00 | ||
Mo | - | - | ||
Al | - | - | ||
Ti | - | - | ||
Fe | - | remaining | ||
N | 0.30 | 0.45 | ||
B | - | 0.01 | ||
Cu | - | 0.20 |
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) |
---|---|---|---|---|---|---|
348 (≥) | 916 (≥) | 33 | 32 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
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 |
---|---|---|---|---|---|---|---|
539 (≥) | 675 (≥) | 22 | 21 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
647 | 613 | 347 |
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 |
---|---|---|---|
12X25H16Γ7AP(ЭИ835) | GOST | Russia | Russia GOCT standard deformation of high temperature alloy grades and chemical composition |