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UNE 20MnB5

  • UNE 20MnB5 Details

    UNE standard material 20MnB5 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...

    20MnB5 Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) B(%)
0.17-0.23 0.4 1.10-1.40 0.035 0.04 0.0008-0.0050
Mechanical properties of grade 20MnB5
Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
281 (≥) 439 (≥) 43 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Physical properties of grade 20MnB5
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
975 (≥) 596 (≥) 22 42 32 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
- - -
626 295 969 - - -
20MnB5 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