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SMn1Mo-23 Application:The Czech republic Structural steel
Category Type Steel grade Standard Country
Grades Special Alloy SMn1Mo-23 CSN Czech Republic

Chemical composition % of the ladle analysis of grade SMn1Mo-23

C(%) Si(%) Mn(%) P(%) S(%) Ni(%) Mo(%)
0.09-0.15 0.10-0.25 1.60-1.90 0.030 0.030 Max 0.15 0.50-0.70
SMn1Mo-23
Mechanical properties of grade SMn1Mo-23
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)
639 (≥) 893 (≥) 33 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Physical properties of grade SMn1Mo-23
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
563 (≥) 383 (≥) 32 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
254 785 957
SMn1Mo-23 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

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