CSN 42 2731

Location » Home » Grades > Special Alloy > 42 2731

Grades | Special Alloy | 42 2731

CSN 42 2731

Print

42 2731 Application:The Czech republic Structural steel

Chemical composition(mass fraction)(wt.%) of the 42 2731
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) V(%) Cu(%)
0.11-0.19 0.20-0.50 0.60-1.00 0.035 0.035 0.90-1.30 0.40 0.20-0.35 0.30

Mechanical properties of grade 42 2731

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
464 (≥) 221 (≥) 43 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade 42 2731

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
222 (≥) 954 (≥) 22 43 12 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		 - - -
778 284 732 - - -

42 2731 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