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GOST 38H2N2MA Details

GOST 38H2N2MA Standard Download

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38H2N2MA Application:Structural alloy steel bars. Specifications
Category 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
Chemical composition(mass fraction)(wt.%)
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
Mechanical properties of grade 38H2N2MA
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
Physical properties of grade 38H2N2MA
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
38H2N2MA Range of products
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
38Х2Н2МА GOST Russia
Structural alloy steel bars. Specifications
38H2N2MA GOST Russia
Structural alloy steel bars. Specifications