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GOST 38H2N2MA Details
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38H2N2MA Datasheet
GOST 38H2N2MACategory | Type | Grade | Designations |
---|---|---|---|
Grades | Stainless Steels | 38H2N2MA | Russia - GOST , GOST 4543 - Structural alloy steel bars. Specifications GOST 8479 - Structural carbon and alloyed steel forgings. General specification |
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.33 | 0.40 | ||
Si | 0.17 | 0.37 | ||
Mn | 0.25 | 0.50 | ||
Ni | 1.30 | 1.70 | ||
S | - | 0.025 | ||
P | - | 0.025 | ||
Cr | 1.3 | 1.7 | ||
Mo | 0.20 | 0.30 | ||
Cu | - | 0.30 |
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) |
---|---|---|---|---|---|---|
617 (≥) | 737 (≥) | 32 | 41 | 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 |
---|---|---|---|---|---|---|---|
427 (≥) | 433 (≥) | 41 | 44 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
113 | 289 | 276 |
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 |
---|---|---|---|
38Х2Н2МА | GOST | Russia | Structural alloy steel bars. Specifications |
38H2N2MA | GOST | Russia | Structural alloy steel bars. Specifications |