Grades | Stainless Steels | P250GH

EN P250GH ( Martensite )

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P250GH Application:Non-alloy quality steel

Chemical composition(mass fraction)(wt.%) of the P250GH
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.18 0.23
Si - 0.4
Mn 0.3 0.9
Ni - 0.3
P - 0.025
S - 0.015
Cr - 0.3
Ti - 0.03
N 0.03 0.07
Nb - 0.010
Al 0.0015 0.05
V - 0.02
other - Cr+Cu+Mo+Ni < 0.7

Mechanical properties of grade P250GH

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
446 (≥) 664 (≥) 42 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade P250GH

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
949 (≥) 161 (≥) 44 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
442 572 126 - - -

P250GH 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