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19MnB4

  • 19MnB4 Details

    standard material 19MnB4 belongs to the , 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...

    19MnB4 Application:Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) B(%) Al(%)
0.17-0.24 Max 0.40 0.80-1.15 Max 0.035 Max 0.035 0.0008-0.0050 Max 0.020
Mechanical properties of grade 19MnB4
Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
131 (≥) 373 (≥) 34 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Physical properties of grade 19MnB4
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
792 (≥) 578 (≥) 32 44 42 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
- - -
582 262 975 - - -
19MnB4 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

    19MnB4 |
  • Standard No.

  • Machinability

    • Machinability
  • Heat Treatment

    • Heat Treatment