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DIN X8CrNiMoBNb16-16 Details

X8CrNiMoBNb16-16 Application:Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts

Category Type Grade Designations
Grades Stainless Steels X8CrNiMoBNb16-16 Germany - DIN , DIN 17240 (1976) - Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications
DIN EN 10088-1 - Stainless steels - Part 1: List of stainless steels
DIN EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
WB 113/1 (2001) - Heat resistant austenitic rolled and forged steel, X 8 CrNiMoBNb 16 16, WN 1.4986
WB 113/2 (2001) - Heat resistant austenitic rolled and forged steel, CrNiMoBNb X 8 16 16, WN 1.4986

Chemical composition(wt.%) of X8CrNiMoBNb16-16 grade: DIN 17240 (1976)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si 0.30 0.60
Mn - 1.50
P - 0.045
S - 0.030
Cr 15.5 17.5
Ni 15.5 17.5
Mo 1.60 2.00
B 0.05 0.10
Other - Nb / Ta ≥10*C ≤1.20
DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by DIN EN 10269:1999

Mechanical properties of grade X8CrNiMoBNb16-16 DIN 17240 (1976)

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)
842 (≥) 785 (≥) 23 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade X8CrNiMoBNb16-16 DIN 17240 (1976)

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
794 (≥) 142 (≥) 42 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
586 873 849

X8CrNiMoBNb16-16 - Form of Supply

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

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
1.4986 DIN Germany
Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts
X8CrNiMoBNb16-16 DIN Germany
Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts
X7CrNiMoBNb16-16 DIN Germany
Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts

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