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UNE C70U

  • UNE C70U Details

    UNE standard material C70U belongs to the Spain, from the steel to the finished product, we have the perfect technology and many years of accumulation of experience, we can now produce products include steel coil, sheet, plate,round bar, square steel, steel wire, steel pipe, forgings, other...

    C70U Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.6S~0.74 0.15-0.35 0.15-0.35 0.02S 0.020 Max 0.25 Max 0.25
Mechanical properties of grade C70U
Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
279 (≥) 532 (≥) 23 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Physical properties of grade C70U
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
713 (≥) 415 (≥) 24 41 34 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
- - -
153 694 874 - - -
C70U 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
  • Equivalent Grade

  • Standard No.

  • Machinability

    • Machinability
  • Heat Treatment

    • Heat Treatment