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UNI x 8 CrNiNb 18 11

Description

UNI x 8 CrNiNb 18 11 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: UNI x 8 CrNiNb 18 11

Chemical composition(mass fraction)(wt.%) of the UNI x 8 CrNiNb 18 11

Element Weight %
C 0.08
Mn 2.00
Si 1.00
Cr 17.0-19.0
Ni 9.0-13.0
P 0.045
S 0.03
Nb 0.7
Ta 0.1

Mechanical Properties of steel grade UNI x 8 CrNiNb 18 11

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
532 (≥) 965 (≥) 12 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade UNI x 8 CrNiNb 18 11

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.31 -  
626 352 - 41.3 111   -  
921 - 23 44.2   441 224

Heat Treatment of steel grade UNI x 8 CrNiNb 18 11

Heat treated : 1634°C - 1745°C

Technological Curves of steel grade UNI x 8 CrNiNb 18 11

Cross Reference Table (Equivalent Grade) of UNI x 8 CrNiNb 18 11

Grade Standard Country Application
UnitempAF2-1 USA Martensitic special steel
UnitempHS AISI USA Martensitic special steel
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar

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